Voltage divider bias circuit | Dept of ECE | ANITS
•Download as PPTX, PDF•
0 likes•172 views
This document contains 8 problems related to analyzing voltage divider bias circuits for bipolar junction transistors (BJTs). Each problem provides specifications for the BJT and circuit and asks the reader to calculate values like the bias point, resistor values, or current. The solutions show the steps and equations used to solve for the requested values, such as applying Kirchhoff's voltage law around loops and using the BJT equations relating current and voltage.
Report
Share
Report
Share
Recommended
Circuit Network Analysis - [Chapter4] Laplace Transform
E.E. Essential Knowledge Sereies
My Online Courses: https://www.byparams.com/courses
Laplace Transform
PUT (industrial electronic)
The document discusses the programmable unijunction transistor (PUT). It begins by explaining that the PUT consists of 4 layers like a thyristor, with connections to the first, last, and inner layers as the anode, cathode, and gate. PUTs require an external resistor network to set the intrinsic standoff ratio η, similarly to how external resistors program unijunction transistors. The document then covers the basic operation and characteristic curves of PUTs, which resemble those of unijunction transistors. It presents an example PUT relaxation oscillator circuit and discusses design considerations for the charging resistor values.
09 bjt & fet frequency response
The document discusses frequency response of BJT and FET amplifiers. It explains that at low frequencies, coupling and bypass capacitors lower the gain, while at high frequencies, stray and Miller capacitances lower the gain. It provides equations to calculate the lower cutoff frequencies due to various capacitors. A Bode plot indicates the bandwidth and roll-off of gain. For multistage amplifiers, each stage has its own frequency response, and capacitances interact between stages. Square waves can be used to experimentally determine an amplifier's frequency response by examining the output waveform.
Operational Amplifiers And Logic Gates
Operational amplifiers (op-amps) are linear integrated circuits used in applications such as communication and medical electronics to sense and amplify signals. An op-amp consists of transistors, resistors, and a capacitor, and has two inputs and a single output. There are several configurations of op-amps including inverting amplifiers, non-inverting amplifiers, summing amplifiers, and difference amplifiers. Logic gates are digital circuits with one or more inputs and one output that processes digital signals. Common logic gates include OR, AND, NOT, NAND, NOR, and EXOR gates.
36.voltage divider bias
This document discusses voltage divider biasing of BJT transistors. It explains the steps to analyze a voltage divider bias circuit: 1) replace capacitors with open circuits, 2) simplify the circuit using Thevenin's theorem, and 3) identify the base-emitter and collector-emitter loops. Equations for the bias point currents and voltages are derived from loop analyses. A simulation circuit is provided to experimentally determine the bias point parameters. The full experiment can be accessed online for hands-on practice of voltage divider bias analysis.
Inductor
An inductor is a passive electrical component that stores energy in a magnetic field. It consists of a coil of wire that creates a magnetic field when electric current passes through it. There are several types of inductors that differ in their core material and usage. Fixed inductors have a set number of coil turns and are used like resistors. Ferromagnetic core inductors use iron or ferrite to increase inductance but have higher core losses at high frequencies. Air core inductors have no solid core and are used at radio frequencies with lower losses. Toroidal and laminated core inductors have shaped cores that reduce electromagnetic interference and losses. Powdered iron core inductors store high energy with low losses.
Electromagnetic theory Chapter 1
Okay, here are the steps:
1) Given:
2) Transform into spherical unit vectors:
3) Write in terms of spherical components:
So the vector components in spherical coordinates are:
Gate ee 2007 with solutions
This document contains 20 multiple choice questions from GATE EE 2007 exam. It provides the questions, solutions and explanations for each question in detail. The key details are:
- The document contains one mark multiple choice questions on topics like transistors, voltage regulators, transformer connections, generator scheduling, HVDC systems, electric field distribution, op-amps, system stability, time variant systems, sampling, matrix rank, thyristor converters etc.
- For each question, the solutions clearly explain the concepts and calculations involved in arriving at the correct option. Relevant circuit diagrams and equations are included.
- The level of detail in the solutions and explanations is quite high as it is aimed to help students prepare for competitive exams
Recommended
Circuit Network Analysis - [Chapter4] Laplace Transform
E.E. Essential Knowledge Sereies
My Online Courses: https://www.byparams.com/courses
Laplace Transform
PUT (industrial electronic)
The document discusses the programmable unijunction transistor (PUT). It begins by explaining that the PUT consists of 4 layers like a thyristor, with connections to the first, last, and inner layers as the anode, cathode, and gate. PUTs require an external resistor network to set the intrinsic standoff ratio η, similarly to how external resistors program unijunction transistors. The document then covers the basic operation and characteristic curves of PUTs, which resemble those of unijunction transistors. It presents an example PUT relaxation oscillator circuit and discusses design considerations for the charging resistor values.
09 bjt & fet frequency response
The document discusses frequency response of BJT and FET amplifiers. It explains that at low frequencies, coupling and bypass capacitors lower the gain, while at high frequencies, stray and Miller capacitances lower the gain. It provides equations to calculate the lower cutoff frequencies due to various capacitors. A Bode plot indicates the bandwidth and roll-off of gain. For multistage amplifiers, each stage has its own frequency response, and capacitances interact between stages. Square waves can be used to experimentally determine an amplifier's frequency response by examining the output waveform.
Operational Amplifiers And Logic Gates
Operational amplifiers (op-amps) are linear integrated circuits used in applications such as communication and medical electronics to sense and amplify signals. An op-amp consists of transistors, resistors, and a capacitor, and has two inputs and a single output. There are several configurations of op-amps including inverting amplifiers, non-inverting amplifiers, summing amplifiers, and difference amplifiers. Logic gates are digital circuits with one or more inputs and one output that processes digital signals. Common logic gates include OR, AND, NOT, NAND, NOR, and EXOR gates.
36.voltage divider bias
This document discusses voltage divider biasing of BJT transistors. It explains the steps to analyze a voltage divider bias circuit: 1) replace capacitors with open circuits, 2) simplify the circuit using Thevenin's theorem, and 3) identify the base-emitter and collector-emitter loops. Equations for the bias point currents and voltages are derived from loop analyses. A simulation circuit is provided to experimentally determine the bias point parameters. The full experiment can be accessed online for hands-on practice of voltage divider bias analysis.
Inductor
An inductor is a passive electrical component that stores energy in a magnetic field. It consists of a coil of wire that creates a magnetic field when electric current passes through it. There are several types of inductors that differ in their core material and usage. Fixed inductors have a set number of coil turns and are used like resistors. Ferromagnetic core inductors use iron or ferrite to increase inductance but have higher core losses at high frequencies. Air core inductors have no solid core and are used at radio frequencies with lower losses. Toroidal and laminated core inductors have shaped cores that reduce electromagnetic interference and losses. Powdered iron core inductors store high energy with low losses.
Electromagnetic theory Chapter 1
Okay, here are the steps:
1) Given:
2) Transform into spherical unit vectors:
3) Write in terms of spherical components:
So the vector components in spherical coordinates are:
Gate ee 2007 with solutions
This document contains 20 multiple choice questions from GATE EE 2007 exam. It provides the questions, solutions and explanations for each question in detail. The key details are:
- The document contains one mark multiple choice questions on topics like transistors, voltage regulators, transformer connections, generator scheduling, HVDC systems, electric field distribution, op-amps, system stability, time variant systems, sampling, matrix rank, thyristor converters etc.
- For each question, the solutions clearly explain the concepts and calculations involved in arriving at the correct option. Relevant circuit diagrams and equations are included.
- The level of detail in the solutions and explanations is quite high as it is aimed to help students prepare for competitive exams
Single phase AC circuit.ppt
The document defines key concepts in AC circuits including:
- Effective current and voltage as 0.707 times peak values
- Inductive and capacitive reactance defined as functions of inductance/capacitance and frequency
- Impedance in an AC circuit calculated as the vector sum of resistance and reactance
- Resonant frequency occurs when inductive and capacitive reactance values are equal
- Power in an AC circuit depends on the resistance component and is calculated using current, voltage, and power factor
Rec101 unit iii operational amplifier
The presentation covers Introduction and Block diagram of Op Amp, Ideal & Practical characteristics of Op Amp, Differential amplifier circuits, Practical OpAmp Circuits (Inverting Amplifier, Non inverting Amplifier, Unity Gain Amplifier, Summing Amplifier, Integrator, Differentiator). OPAMP Parameters: Input offset voltage, Output offset voltage, Input biased current, Input offset current Differential and Common-Mode Operation
Slide Wire Dc potentiometer
The slide wire DC potentiometer operates based on the principle that no current will flow through a galvanometer when the voltage drop across a portion of a slide wire equals the EMF of a battery being measured. It consists of a uniform slide wire connected in a circuit with a battery, galvanometer, and rheostat. To measure an unknown battery's EMF, the sliding contact is adjusted until the galvanometer reads zero, then the EMF is calculated based on the voltage drop across the slide wire segment. EMF ratios can also be determined by comparing the lengths of slide wire segments needed to balance each battery's voltage.
Semiconductor diodes
Semiconductor
If a valence Electron acquires sufficient kinetic energy to break its covalent bond and fills the void created by a hole then a vacancy, or hole will be created in the covalent bond that released the electron
Hence there is a transfer of holes to the left and electrons to the right
R-L-C circuit
This document section describes alternating current (AC) circuits containing a single circuit element: resistor, inductor, or capacitor, connected to an AC voltage source. For a resistive circuit, the current and voltage are in phase. For an inductive circuit, the current lags the voltage by 90 degrees. For a capacitive circuit, the current leads the voltage by 90 degrees. The document defines important concepts such as reactance, impedance, and phasor diagrams for analyzing AC circuits.
Tuned amplifire
Introduction
Band Pass Amplifiers
Series & Parallel Resonant Circuits & their Bandwidth
Analysis of Single Tuned Amplifiers
Analysis of Double Tuned Amplifiers
Primary & Secondary Tuned Amplifiers with BJT & FET
Merits and de-merits of Tuned Amplifiers
AC FUNDAMENTALS.pptx
- Alternating current changes direction periodically in a sine wave pattern. The frequency is measured in Hertz (Hz), typically 50 or 60 Hz.
- AC can transmit power over longer distances with less power loss than direct current. AC voltages can be increased or decreased using transformers.
- Important AC terms include root mean square (RMS) value, phase angle, impedance, and resonance. Resonance occurs when the capacitive and inductive reactances cancel out, resulting in maximum current. Circuits can resonate in series or parallel configurations.
267182869 large-signal-amplifiers-ppt
Power amplifiers are classified based on their operating point or quiescent point (Q point). Class A amplifiers have their Q point at the center of the load line, resulting in linear but low efficiency operation. Class B amplifiers operate with their Q point at cutoff, providing high efficiency but distorted output. Class AB reduces distortion by adding some forward bias. Class D amplifiers switch between cutoff and saturation at a high frequency for very high efficiency operation suitable for audio.
Power BJT and Power MOSFET
This document discusses power bipolar transistors and power MOSFETs. It describes the vertical structure of power bipolar transistors which allows for higher current handling. Power transistors have lower current gain but larger safe operating areas bounded by maximum current, voltage and power limits to prevent damage. Power MOSFETs provide advantages over bipolar transistors like no second breakdown and stable performance over temperature. They have lower on-resistance and can switch large currents with small control currents. DMOS and VMOS structures are described for power MOSFETs.
INDUCTORS AND ITS TYPE BY JALAL AHMED
An inductor is a passive electronic component that stores energy in the form of a magnetic field. It consists of a wire loop or coil. There are two main types of inductors: fixed inductors and variable inductors. Fixed inductors have coils that remain in a fixed position, while variable inductors allow the inductance to be continuously adjusted. Inductors store current flowing in a circuit and release it later, and the amount of stored energy depends on factors like the number of coil turns, core permeability and size.
Unit 2 signal generators
1. An oscillator generates an alternating signal without an external input by using positive feedback to convert DC energy into an AC signal at a specific frequency.
2. Oscillators are classified by waveform, frequency range, components used, and include signal generators, function generators, and sweep generators.
3. The Barkhausen criterion establishes the conditions for oscillation as a loop gain greater than 1 and a total phase shift of 0 or a multiple of 360 degrees.
opamp application, Bistable, astable and monostable multivibrator, IC-555 timer
These slides contains animated description of multivibrators, and IC-555 timers and explain the working of these circuits in detail.
Electronic devices-and-circuit-theory-10th-ed-boylestad-chapter-12
This document discusses different classes of power amplifiers. Class A amplifiers conduct over the full 360 degrees of the input cycle but have low efficiency around 25%. Class B amplifiers conduct over 180 degrees and have higher efficiency of 78.5% but require two transistors for a full output cycle. Class AB is a compromise between the two. Class C conducts less than 180 degrees and uses a tuned circuit for output. Class D is for digital signals and requires pulse conversion circuits. Transformer coupling can improve class A efficiency to 50% by spreading out voltage and current swings.
Variable Regulated Power Supply
This document describes the design and construction of a variable regulated power supply circuit. The circuit uses a transformer, rectifier, filter capacitor and adjustable linear regulator to convert household AC power into a continuously adjustable DC output between 1.2 and 30 volts. Key components include a transformer, bridge rectifier, filtering capacitors, LM317 adjustable regulator, potentiometers for output voltage adjustment and trimming, and other passive components. The document provides the circuit diagram, lists components, and explains the working principle of how AC power is converted to a regulated DC output through rectification, filtering and linear voltage regulation.
Maximum power transfer theorem
This document discusses the concept of maximum power transfer theorem (MPTT) in electrical communication circuits. It states that maximum power will be transferred from a source to a load when the source impedance equals the load impedance. The document provides steps for finding the maximum power delivered to a load using Thevenin's theorem to derive an equivalent circuit and calculate the Thevenin resistance. It also notes that applying MPTT can maximize power transfer from an audio amplifier to a loudspeaker.
Transistor as a switch
Transistors can be used as switches by operating them in either saturation or cut-off regions. In saturation, the transistor is fully on with maximum collector current and minimum voltage drop. In cut-off, it is fully off with zero collector current and maximum voltage. Transistor switches allow interfacing low voltage digital logic to devices requiring higher voltages and currents, and can be used to control lamps, relays, motors and other loads. The base resistor value must be calculated to fully turn the transistor on above a given input voltage.
Transients analysis and Its derivations
Transients are momentary surges or spikes in electric currents and voltages that are induced upon power lines. They are characterized by extremely high voltages that drive tremendous amounts of current for brief periods of time. Transients occur in circuits containing energy storage elements like inductors or capacitors, which cannot instantly change the stored energy. Differential equations are used to analyze and study circuit responses under transient conditions. First-order circuits contain a single energy storage element, while second-order circuits contain both an inductor and capacitor. The time constant of an RL circuit is the time required for the current to reach approximately 63% of its final steady-state value.
Bipolar Junction Transistor
The document discusses the bipolar junction transistor (BJT). It describes how the BJT was invented in 1947 by scientists at Bell Labs. The BJT consists of three terminals - the emitter, base, and collector - and comes in two types, p-n-p and n-p-n. The document explains the basic operation and principles of both types of BJT, including how current flows when junctions are forward or reverse biased in different modes. It also provides examples of calculating currents given bias conditions and current gains. Finally, it summarizes the key current-voltage relationships and characteristics of BJTs in common base, common emitter, and common collector configurations.
Symmetrical components
Symmetrical Components
Symmetrical Component Analysis
Synthesis of Unsymmetrical Phases from Their Symmetrical Components
The Symmetrical Components of Unsymmetrical Phasors
Phase Shift of Symmetrical Components in or Transformer Banks
Power in Terms of Symmetrical Components
Diode circuits
This document discusses semiconductor diodes and rectifiers. It begins by explaining the physical principles of semiconductors, including intrinsic semiconductors and how doping with materials like phosphorus or boron creates n-type and p-type semiconductors. When a p-type and n-type material meet, it forms a pn junction with interesting electrical properties. Diodes are made from pn junctions and exhibit asymmetric conduction, allowing current in one direction but blocking it in the other. Diode circuits and models are also covered, along with important applications like rectification where diodes are used to convert AC to DC power.
module2.pdf
This document contains review questions and practice problems related to transistor (BJT) circuit analysis. The review questions cover topics like current gains, transistor biasing, I-V characteristics, and transistor operation. The practice problems involve calculating operating points, currents, and voltages in common emitter amplifier circuits using transistor parameters like current gain β and bias voltages. Solving the problems requires applying concepts like Kirchhoff's laws and transistor modeling.
More Related Content
What's hot
Single phase AC circuit.ppt
The document defines key concepts in AC circuits including:
- Effective current and voltage as 0.707 times peak values
- Inductive and capacitive reactance defined as functions of inductance/capacitance and frequency
- Impedance in an AC circuit calculated as the vector sum of resistance and reactance
- Resonant frequency occurs when inductive and capacitive reactance values are equal
- Power in an AC circuit depends on the resistance component and is calculated using current, voltage, and power factor
Rec101 unit iii operational amplifier
The presentation covers Introduction and Block diagram of Op Amp, Ideal & Practical characteristics of Op Amp, Differential amplifier circuits, Practical OpAmp Circuits (Inverting Amplifier, Non inverting Amplifier, Unity Gain Amplifier, Summing Amplifier, Integrator, Differentiator). OPAMP Parameters: Input offset voltage, Output offset voltage, Input biased current, Input offset current Differential and Common-Mode Operation
Slide Wire Dc potentiometer
The slide wire DC potentiometer operates based on the principle that no current will flow through a galvanometer when the voltage drop across a portion of a slide wire equals the EMF of a battery being measured. It consists of a uniform slide wire connected in a circuit with a battery, galvanometer, and rheostat. To measure an unknown battery's EMF, the sliding contact is adjusted until the galvanometer reads zero, then the EMF is calculated based on the voltage drop across the slide wire segment. EMF ratios can also be determined by comparing the lengths of slide wire segments needed to balance each battery's voltage.
Semiconductor diodes
Semiconductor
If a valence Electron acquires sufficient kinetic energy to break its covalent bond and fills the void created by a hole then a vacancy, or hole will be created in the covalent bond that released the electron
Hence there is a transfer of holes to the left and electrons to the right
R-L-C circuit
This document section describes alternating current (AC) circuits containing a single circuit element: resistor, inductor, or capacitor, connected to an AC voltage source. For a resistive circuit, the current and voltage are in phase. For an inductive circuit, the current lags the voltage by 90 degrees. For a capacitive circuit, the current leads the voltage by 90 degrees. The document defines important concepts such as reactance, impedance, and phasor diagrams for analyzing AC circuits.
Tuned amplifire
Introduction
Band Pass Amplifiers
Series & Parallel Resonant Circuits & their Bandwidth
Analysis of Single Tuned Amplifiers
Analysis of Double Tuned Amplifiers
Primary & Secondary Tuned Amplifiers with BJT & FET
Merits and de-merits of Tuned Amplifiers
AC FUNDAMENTALS.pptx
- Alternating current changes direction periodically in a sine wave pattern. The frequency is measured in Hertz (Hz), typically 50 or 60 Hz.
- AC can transmit power over longer distances with less power loss than direct current. AC voltages can be increased or decreased using transformers.
- Important AC terms include root mean square (RMS) value, phase angle, impedance, and resonance. Resonance occurs when the capacitive and inductive reactances cancel out, resulting in maximum current. Circuits can resonate in series or parallel configurations.
267182869 large-signal-amplifiers-ppt
Power amplifiers are classified based on their operating point or quiescent point (Q point). Class A amplifiers have their Q point at the center of the load line, resulting in linear but low efficiency operation. Class B amplifiers operate with their Q point at cutoff, providing high efficiency but distorted output. Class AB reduces distortion by adding some forward bias. Class D amplifiers switch between cutoff and saturation at a high frequency for very high efficiency operation suitable for audio.
Power BJT and Power MOSFET
This document discusses power bipolar transistors and power MOSFETs. It describes the vertical structure of power bipolar transistors which allows for higher current handling. Power transistors have lower current gain but larger safe operating areas bounded by maximum current, voltage and power limits to prevent damage. Power MOSFETs provide advantages over bipolar transistors like no second breakdown and stable performance over temperature. They have lower on-resistance and can switch large currents with small control currents. DMOS and VMOS structures are described for power MOSFETs.
INDUCTORS AND ITS TYPE BY JALAL AHMED
An inductor is a passive electronic component that stores energy in the form of a magnetic field. It consists of a wire loop or coil. There are two main types of inductors: fixed inductors and variable inductors. Fixed inductors have coils that remain in a fixed position, while variable inductors allow the inductance to be continuously adjusted. Inductors store current flowing in a circuit and release it later, and the amount of stored energy depends on factors like the number of coil turns, core permeability and size.
Unit 2 signal generators
1. An oscillator generates an alternating signal without an external input by using positive feedback to convert DC energy into an AC signal at a specific frequency.
2. Oscillators are classified by waveform, frequency range, components used, and include signal generators, function generators, and sweep generators.
3. The Barkhausen criterion establishes the conditions for oscillation as a loop gain greater than 1 and a total phase shift of 0 or a multiple of 360 degrees.
opamp application, Bistable, astable and monostable multivibrator, IC-555 timer
These slides contains animated description of multivibrators, and IC-555 timers and explain the working of these circuits in detail.
Electronic devices-and-circuit-theory-10th-ed-boylestad-chapter-12
This document discusses different classes of power amplifiers. Class A amplifiers conduct over the full 360 degrees of the input cycle but have low efficiency around 25%. Class B amplifiers conduct over 180 degrees and have higher efficiency of 78.5% but require two transistors for a full output cycle. Class AB is a compromise between the two. Class C conducts less than 180 degrees and uses a tuned circuit for output. Class D is for digital signals and requires pulse conversion circuits. Transformer coupling can improve class A efficiency to 50% by spreading out voltage and current swings.
Variable Regulated Power Supply
This document describes the design and construction of a variable regulated power supply circuit. The circuit uses a transformer, rectifier, filter capacitor and adjustable linear regulator to convert household AC power into a continuously adjustable DC output between 1.2 and 30 volts. Key components include a transformer, bridge rectifier, filtering capacitors, LM317 adjustable regulator, potentiometers for output voltage adjustment and trimming, and other passive components. The document provides the circuit diagram, lists components, and explains the working principle of how AC power is converted to a regulated DC output through rectification, filtering and linear voltage regulation.
Maximum power transfer theorem
This document discusses the concept of maximum power transfer theorem (MPTT) in electrical communication circuits. It states that maximum power will be transferred from a source to a load when the source impedance equals the load impedance. The document provides steps for finding the maximum power delivered to a load using Thevenin's theorem to derive an equivalent circuit and calculate the Thevenin resistance. It also notes that applying MPTT can maximize power transfer from an audio amplifier to a loudspeaker.
Transistor as a switch
Transistors can be used as switches by operating them in either saturation or cut-off regions. In saturation, the transistor is fully on with maximum collector current and minimum voltage drop. In cut-off, it is fully off with zero collector current and maximum voltage. Transistor switches allow interfacing low voltage digital logic to devices requiring higher voltages and currents, and can be used to control lamps, relays, motors and other loads. The base resistor value must be calculated to fully turn the transistor on above a given input voltage.
Transients analysis and Its derivations
Transients are momentary surges or spikes in electric currents and voltages that are induced upon power lines. They are characterized by extremely high voltages that drive tremendous amounts of current for brief periods of time. Transients occur in circuits containing energy storage elements like inductors or capacitors, which cannot instantly change the stored energy. Differential equations are used to analyze and study circuit responses under transient conditions. First-order circuits contain a single energy storage element, while second-order circuits contain both an inductor and capacitor. The time constant of an RL circuit is the time required for the current to reach approximately 63% of its final steady-state value.
Bipolar Junction Transistor
The document discusses the bipolar junction transistor (BJT). It describes how the BJT was invented in 1947 by scientists at Bell Labs. The BJT consists of three terminals - the emitter, base, and collector - and comes in two types, p-n-p and n-p-n. The document explains the basic operation and principles of both types of BJT, including how current flows when junctions are forward or reverse biased in different modes. It also provides examples of calculating currents given bias conditions and current gains. Finally, it summarizes the key current-voltage relationships and characteristics of BJTs in common base, common emitter, and common collector configurations.
Symmetrical components
Symmetrical Components
Symmetrical Component Analysis
Synthesis of Unsymmetrical Phases from Their Symmetrical Components
The Symmetrical Components of Unsymmetrical Phasors
Phase Shift of Symmetrical Components in or Transformer Banks
Power in Terms of Symmetrical Components
Diode circuits
This document discusses semiconductor diodes and rectifiers. It begins by explaining the physical principles of semiconductors, including intrinsic semiconductors and how doping with materials like phosphorus or boron creates n-type and p-type semiconductors. When a p-type and n-type material meet, it forms a pn junction with interesting electrical properties. Diodes are made from pn junctions and exhibit asymmetric conduction, allowing current in one direction but blocking it in the other. Diode circuits and models are also covered, along with important applications like rectification where diodes are used to convert AC to DC power.
What's hot (20)
opamp application, Bistable, astable and monostable multivibrator, IC-555 timer
opamp application, Bistable, astable and monostable multivibrator, IC-555 timer
Electronic devices-and-circuit-theory-10th-ed-boylestad-chapter-12
Electronic devices-and-circuit-theory-10th-ed-boylestad-chapter-12
Similar to Voltage divider bias circuit | Dept of ECE | ANITS
module2.pdf
This document contains review questions and practice problems related to transistor (BJT) circuit analysis. The review questions cover topics like current gains, transistor biasing, I-V characteristics, and transistor operation. The practice problems involve calculating operating points, currents, and voltages in common emitter amplifier circuits using transistor parameters like current gain β and bias voltages. Solving the problems requires applying concepts like Kirchhoff's laws and transistor modeling.
Chapter 9
This document discusses AC models and analysis of amplifiers. It introduces the concepts of capacitive coupling and bypassing for AC signals while blocking DC. It explains how to model transistors using the T model or p model for small signal AC analysis by replacing the transistor with its equivalent resistor and current source. It provides guidelines for amplifier analysis including performing a DC analysis first, replacing capacitors with shorts for AC, and using supply voltages as AC grounds to derive the AC equivalent circuit. Data sheet parameters like hfe, hie, bac, and re' are also defined for transistor modeling.
99992505.pdf
This document discusses biasing circuits for BJTs. It begins by explaining that biasing circuits apply DC voltages to establish fixed operating points for transistors. This allows them to operate in the linear region. It then discusses several common biasing circuits: fixed bias, emitter-stabilized bias, and voltage divider bias. The fixed bias circuit uses two resistors and provides DC paths. The emitter-stabilized bias adds a resistor at the emitter for improved stability. The voltage divider bias uses a voltage divider network to provide DC voltages, making the operating point largely independent of transistor beta. It analyzes examples of each circuit type and discusses how to determine key voltages and currents like the Q-point, VCE, and
Electrical Design Package
This document outlines an electrical design project that requires students to build a voltage divider circuit using resistors. Each student's circuit will be unique but must have 5 nodes with varying voltage drops, and one node must use a parallel resistor configuration. The document provides calculations for a sample circuit where the student calculates the voltage drop and equivalent resistance for 5 nodes. Tables are included that list the resistor values used and voltage/resistance measurements for the sample circuit. Research sources on bridge circuits and a circuit-drawing pen are cited.
Mba admssion in india
This document discusses Bipolar Junction Transistors (BJTs) and their operating regions. It describes the basic components and operation of NPN and PNP BJTs. The three main operating regions for BJTs are discussed: active, cutoff, and saturation regions. Equations for calculating operating points in the active region are provided. The document also discusses biasing techniques, including using a four-resistor network to provide stable biasing and prevent variations in the operating point due to changes in transistor characteristics. An example calculation of bias points is included.
Easy labs exp4-beta meter
This document describes the design and testing of a circuit to measure the beta (β) value of NPN bipolar junction transistors (BJTs). The circuit uses a constant current source to pass a fixed current through the collector-emitter path of the BJT being tested. The voltage across a resistor in this path corresponds to the β value in millivolts, which can be read on a digital voltmeter. The constant current source and full β-meter circuit are described in detail. Testing showed close agreement between β values measured by the circuit and those from a digital multimeter.
Original IGBT N-CHANNEL IRG7IC28U IRG71C28U G7IC28U G71C28U 71C28 225A 600V T...
This document provides specifications for an IGBT (insulated-gate bipolar transistor) designed for use in plasma display panels. Key features of the device include advanced trench gate technology, low voltage and energy losses to improve panel efficiency, high peak current capability, and a lead-free package. Electrical parameters and characteristics are provided, including breakdown voltages, current ratings, capacitances, switching times and safe operating areas. Graphs illustrate typical output, transfer and switching performance. The document contains all relevant technical specifications for the IGBT to allow for its use in PDP applications.
DC Biasing – Bipolar Junction Transistors (BJTs)
This document discusses various methods of biasing bipolar junction transistors (BJTs) for proper operation, including voltage-divider bias, emitter bias, and collector feedback bias. It explains that transistors must be biased to establish a stable operating point between cutoff and saturation. Various bias circuits are analyzed using Kirchhoff's laws and the transistor model. Key aspects of establishing bias, such as determining the quiescent point and load lines, as well as sources of instability and techniques to improve stability, are covered. Examples are provided to illustrate calculating important bias parameters.
BJT Biasing for B.Tech Ist Year Engineering
Okay, let's solve this step-by-step:
1) Given: IC = 2 mA
2) We're told IC = βIB
3) So we can set up and solve for β:
IC = βIB
2 mA = βIB
β = IC/IB = 2 mA / 0.5 mA = 4
So the answer for part a is:
β = 4
4) We're also given: IB = 0.5 mA
5) Using the voltage divider formula:
VB = VCC * (RB2 / (RB1 + RB2))
6) We know: VB = 0.7 V (for the B-
Bipolar junction transistor : Biasing and AC Analysis
1. The document discusses various transistor amplifier circuit designs and analysis techniques, including biasing circuits like base bias, voltage divider bias, and emitter feedback bias.
2. It introduces the small-signal h-parameter transistor model that represents the transistor under AC conditions and defines terms like small-signal current gain and output conductance.
3. The document provides examples of calculating Q-points, load lines, and biasing component values for different transistor amplifier circuits.
Bjt region of operation |Dept of ECE |ANITS
This document discusses the region of operation of a bipolar junction transistor (BJT). It defines the cutoff, active, and saturation regions based on the voltage differences between the base, collector, and emitter terminals. It also provides two methods for determining the region of operation: 1) assume active region and check consistency, or 2) assume saturation and use |VBE|=0.7V and |VCE|=0.2V. The document then gives examples of problems calculating node voltages and currents in BJT circuits in the active and saturation regions.
Original IGBT IC IRGIB10B60KD1P 600V 21A New Infineon IR
This document summarizes the specifications and characteristics of an insulated gate bipolar transistor (IGBT) with an ultrafast soft recovery diode. Key features include low voltage drop when on, short circuit capability of 10 microseconds, and reverse recovery characteristics of the diode. The IGBT has a continuous collector current rating of 10 amps at 100°C case temperature and is rated for operation from -55°C to 175°C junction temperature. Electrical characteristics including voltage, current, switching times and losses are provided in tables and graphs.
an5277 circuit.pdf
`The AN5277 is an integrated circuit (IC) amplifier widely used in audio applications, offering excellent audio quality and performance. Designed specifically for audio amplification, the AN5277 provides a compact and efficient solution for various audio systems, including portable devices, multimedia speakers, and automotive audio systems.
Chapter 1 ac analysis SKEE 2253
This document provides an overview of electronic circuits and amplifiers. It discusses:
- What electronics and electronic components are.
- The different types of electronic systems.
- Biasing transistors, including fixed bias, emitter-stabilized, voltage divider, and collector feedback circuits.
- Modeling amplifiers using concepts like unloaded voltage gain, input and output loading effects, current gain, and decibels.
- Modeling transistors using the hybrid-π model for small signal AC analysis.
- The basic procedure for analyzing any voltage amplifier, which involves finding the DC operating point, determining small-signal parameters, and using the AC equivalent circuit.
Original IGBT FGP20N60 20N60 FGP20N60UFD 20A 600V TO-220 New
This document provides specifications and performance characteristics for the FGP20N60UFD 600V, 20A Field Stop IGBT from Fairchild Semiconductor. The IGBT has a maximum collector-emitter voltage of 600V, continuous collector current rating of 20A, and pulsed collector current rating of 60A. Key specifications and characteristics include maximum ratings, thermal characteristics, electrical characteristics of the IGBT and diode, switching characteristics, and typical performance curves. The document also provides mechanical dimensions and packaging information for the TO-220 packaged device.
SIGNAL SPECTRA EXPERIMENT 1 - FINALS (for AGDON)
This experiment analyzed the operation of a class A power amplifier. Key findings include:
1) The initial operating point (Q-point) was not centered on the AC load line, resulting in output clipping.
2) Adjusting the emitter resistance centered the Q-point on the AC load line, eliminating clipping and increasing the maximum undistorted output voltage.
3) A class A amplifier has low efficiency due to conduction over the entire input cycle, but provides the most linear amplification.
Lec 06 (2017).pdf
This document discusses diodes and applications of diodes in rectifier circuits. It provides examples of calculating output voltages, currents, and power dissipation in half-wave, full-wave, and bridge rectifier circuits using ideal and practical diode models. Key points covered include:
- Calculating DC output voltage, peak inverse voltage, and load current in half-wave and full-wave rectifiers.
- Using Kirchhoff's laws and diode voltage drops to solve circuits containing multiple diodes.
- Rectifier circuits double the output frequency compared to the input AC supply frequency.
- Practical diodes have forward voltage drops and resistance that must be accounted for in calculations.
Electronic Devices Ninth Edition Floyd thired e
The document discusses various methods of biasing transistors, including:
1) Voltage-divider bias circuits, which establish a fixed operating point (Q-point) for the transistor using resistors to set the base voltage.
2) Emitter bias circuits, which improve stability but require both a positive and negative voltage supply.
3) Base bias circuits, which are simple but have a Q-point that depends on the transistor's beta value, making them unsuitable for linear applications.
The document also examines how the load line and Q-point are affected by circuit parameters and describes methods for analyzing voltage divider bias circuits.
Diode - V and I
This document discusses diodes and their voltage-current characteristics. It introduces the diode equation and explains the forward bias and temperature effects on diodes. It then examines three diode models: the exponential model, constant voltage model, and piecewise linear model. Applications of diodes as voltage regulators and in LED voltmeters are also covered. Key diode parameters like saturation current, thermal voltage, and dynamic resistance are defined.
Similar to Voltage divider bias circuit | Dept of ECE | ANITS (20)
Original IGBT N-CHANNEL IRG7IC28U IRG71C28U G7IC28U G71C28U 71C28 225A 600V T...
Original IGBT N-CHANNEL IRG7IC28U IRG71C28U G7IC28U G71C28U 71C28 225A 600V T...
Bipolar junction transistor : Biasing and AC Analysis
Bipolar junction transistor : Biasing and AC Analysis
Original IGBT IC IRGIB10B60KD1P 600V 21A New Infineon IR
Original IGBT IC IRGIB10B60KD1P 600V 21A New Infineon IR
Original IGBT FGP20N60 20N60 FGP20N60UFD 20A 600V TO-220 New
Original IGBT FGP20N60 20N60 FGP20N60UFD 20A 600V TO-220 New
More from ANILPRASAD58
DELD_UNIT-V.pdf
This document provides an overview of different families of digital integrated circuits, including Resistor-Transistor Logic (RTL), Diode-Transistor Logic (DTL), Transistor-Transistor Logic (TTL), Emitter Coupled Logic (ECL), Metal Oxide Semiconductor (MOS) technologies, and Complementary MOS (CMOS). It discusses the characteristics of each family such as speed, power dissipation, and miniaturization and how newer technologies improved upon older ones, with CMOS now being the most widely used due to its high density, speed and low power capabilities.
Introduction to BJT | Dept of ECE | ANITS
This document discusses bipolar junction transistors (BJT), including their applications, operation, symbols, and configurations. BJTs can be used as amplifiers, switches, and in digital and RF circuits. They have three terminals - base, collector, and emitter - and operate in cutoff, active, reverse active, or saturation modes depending on biasing. Circuits use common base, common emitter, or common collector configurations, each with their own current amplification factor α, β, or γ respectively relating changes in currents between terminals.
Diodes |Dept of ECE |ANITS
This document discusses diodes and their characteristics. It defines forward and reverse bias of a diode based on whether the P-side or N-side is more positive. It shows the ideal diode circuit symbol and its I-V characteristics, acting as an open circuit when reverse biased and a closed circuit when forward biased. It discusses determining if a diode is forward or reverse biased using open and short circuit tests based on the voltage and current. The document also covers diode resistance levels and introduces Zener diodes, providing examples of calculating voltages in diode circuits.
Two level clippers|Dept of ECE| ANITS
The document discusses two level clipper circuits. It describes how a two level clipper circuit uses two diodes, D1 and D2, and resistors to clip an input signal vi(t) to one of three voltage levels (VR1, Vi, or VR2) depending on the voltage range. It provides diagrams and explanations of how the circuit operates, clipping the input signal to VR1 when vi is below VR1, passing vi unchanged when it is between VR1 and VR2, and clipping to VR2 when vi exceeds VR2. The document is presented by Anil Prasad Dadi from the Department of Electronics and Communication Engineering at Anil Neerukonda Institute of Technology & Sciences.
Transient analysis of clamping circuits
This document contains a detailed analysis of the transient response of a circuit containing a capacitor, diode, and resistors when subjected to a step input voltage VS. It analyzes the voltage and current values at different time intervals as the diode switches between forward and reverse biased states. Key points analyzed include the voltage across the capacitor VC, output voltage V0, and how they vary with time and the on/off state of the diode. Calculations are shown for V0 and VC at t=T/2, T, 3T/2, 2T, and 5T/2.
Clamping circuits|Dept of ECE| ANITS
The document discusses positive and negative clamping circuits. It provides analysis of positive clamper circuits using both ideal diode and diode resistance models. Key aspects covered include:
- Positive/negative clamper circuits add or subtract a DC level to an input AC signal
- Analysis of positive clamper circuit operation over one time period using ideal diode model
- Analysis also provides using diode resistance model by considering reverse/forward bias states
- Key voltage and time expressions are defined for capacitor voltage under different operating conditions
RC LPF step input dap|Dept of ECE| ANITS|ANIL PRASAD
This document discusses the response of an RC low-pass filter circuit to a step input voltage. It begins with recapping the frequency response of an RC low-pass filter, then derives the output voltage equation for a step input. The output is shown to rise from 0 to the final value V according to 1 - e^(-t/τ), where τ is the time constant of the RC circuit. The rise time tr is defined as the time taken for the output to change from 10% to 90% of V, and is calculated to be 2.2τ. Finally, the relationship between rise time tr and bandwidth fH is derived, with tr shown to be inversely proportional to fH.
RC LPF sinusoidal input| Dept of ECE| ANITS|ANIL PRASAD
This document contains a lecture on linear wave shaping circuits and the frequency response of RC low-pass filters. It discusses the magnitude and phase response of an RC low-pass circuit when given a sinusoidal input signal. The cutoff frequency is determined by the RC time constant, above which the output voltage attenuates. Below the cutoff frequency, the output voltage remains high, passing low frequency signals. Equations for the output voltage of the RC filter over time are also provided.
More from ANILPRASAD58 (8)
RC LPF step input dap|Dept of ECE| ANITS|ANIL PRASAD
RC LPF step input dap|Dept of ECE| ANITS|ANIL PRASAD
RC LPF sinusoidal input| Dept of ECE| ANITS|ANIL PRASAD
RC LPF sinusoidal input| Dept of ECE| ANITS|ANIL PRASAD
Recently uploaded
Unit-III-ELECTROCHEMICAL STORAGE DEVICES.ppt
Batteries -Introduction – Types of Batteries – discharging and charging of battery - characteristics of battery –battery rating- various tests on battery- – Primary battery: silver button cell- Secondary battery :Ni-Cd battery-modern battery: lithium ion battery-maintenance of batteries-choices of batteries for electric vehicle applications.
Fuel Cells: Introduction- importance and classification of fuel cells - description, principle, components, applications of fuel cells: H2-O2 fuel cell, alkaline fuel cell, molten carbonate fuel cell and direct methanol fuel cells.
Design and optimization of ion propulsion drone
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
Rainfall intensity duration frequency curve statistical analysis and modeling...
Using data from 41 years in Patna’ India’ the study’s goal is to analyze the trends of how often it rains on a weekly, seasonal, and annual basis (1981−2020). First, utilizing the intensity-duration-frequency (IDF) curve and the relationship by statistically analyzing rainfall’ the historical rainfall data set for Patna’ India’ during a 41 year period (1981−2020), was evaluated for its quality. Changes in the hydrologic cycle as a result of increased greenhouse gas emissions are expected to induce variations in the intensity, length, and frequency of precipitation events. One strategy to lessen vulnerability is to quantify probable changes and adapt to them. Techniques such as log-normal, normal, and Gumbel are used (EV-I). Distributions were created with durations of 1, 2, 3, 6, and 24 h and return times of 2, 5, 10, 25, and 100 years. There were also mathematical correlations discovered between rainfall and recurrence interval.
Findings: Based on findings, the Gumbel approach produced the highest intensity values, whereas the other approaches produced values that were close to each other. The data indicates that 461.9 mm of rain fell during the monsoon season’s 301st week. However, it was found that the 29th week had the greatest average rainfall, 92.6 mm. With 952.6 mm on average, the monsoon season saw the highest rainfall. Calculations revealed that the yearly rainfall averaged 1171.1 mm. Using Weibull’s method, the study was subsequently expanded to examine rainfall distribution at different recurrence intervals of 2, 5, 10, and 25 years. Rainfall and recurrence interval mathematical correlations were also developed. Further regression analysis revealed that short wave irrigation, wind direction, wind speed, pressure, relative humidity, and temperature all had a substantial influence on rainfall.
Originality and value: The results of the rainfall IDF curves can provide useful information to policymakers in making appropriate decisions in managing and minimizing floods in the study area.
2008 BUILDING CONSTRUCTION Illustrated - Ching Chapter 02 The Building.pdf
2008 BUILDING CONSTRUCTION Illustrated - Ching Chapter 02 The Building
Applications of artificial Intelligence in Mechanical Engineering.pdf
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
Advanced control scheme of doubly fed induction generator for wind turbine us...
This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.
cnn.pptx Convolutional neural network used for image classication
Convolutional Neural Network used for image classification
artificial intelligence and data science contents.pptx
What is artificial intelligence? Artificial intelligence is the ability of a computer or computer-controlled robot to perform tasks that are commonly associated with the intellectual processes characteristic of humans, such as the ability to reason.
› ...
Artificial intelligence (AI) | Definitio
Data Driven Maintenance | UReason Webinar
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
Software Engineering and Project Management - Introduction, Modeling Concepts...
Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.
Recently uploaded (20)
Generative AI leverages algorithms to create various forms of content
Generative AI leverages algorithms to create various forms of content
Rainfall intensity duration frequency curve statistical analysis and modeling...
Rainfall intensity duration frequency curve statistical analysis and modeling...
2008 BUILDING CONSTRUCTION Illustrated - Ching Chapter 02 The Building.pdf
2008 BUILDING CONSTRUCTION Illustrated - Ching Chapter 02 The Building.pdf
Applications of artificial Intelligence in Mechanical Engineering.pdf
Applications of artificial Intelligence in Mechanical Engineering.pdf
Advanced control scheme of doubly fed induction generator for wind turbine us...
Advanced control scheme of doubly fed induction generator for wind turbine us...
cnn.pptx Convolutional neural network used for image classication
cnn.pptx Convolutional neural network used for image classication
artificial intelligence and data science contents.pptx
artificial intelligence and data science contents.pptx
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
IEEE Aerospace and Electronic Systems Society as a Graduate Student Member
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024
Manufacturing Process of molasses based distillery ppt.pptx
Manufacturing Process of molasses based distillery ppt.pptx
Software Engineering and Project Management - Introduction, Modeling Concepts...
Software Engineering and Project Management - Introduction, Modeling Concepts...
Voltage divider bias circuit | Dept of ECE | ANITS
- 1. Voltage divider bias circuit ANIL PRASAD DADI/ECE/ANITS
- 2. Problem #1 Assume that a Si transistor with β=200, VBE=0.7V, VCC=15V and R1=34KΩ , R2=5.9KΩ , Rc=1KΩ , RE=510Ω is used in voltage divider bias circuit. Find the bias point. ANIL PRASAD DADI/ECE/ANITS
- 3. Problem #2 Assume that a Si transistor with β=100 and VBE=0.7V is used in voltage divider bias circuit as shown below. Find the bias point ANIL PRASAD DADI/ECE/ANITS
- 4. Problem #3 Assume that a Si transistor with β=50, VBE=0.6V, VCC=22.5V and RC=5.6KΩ is used in voltage divider bias circuit. It is desired to establish a Q-point at VCE=12V, IC=1.5mA and a stability factor of S≤3. Find RE,R1,R2 ANIL PRASAD DADI/ECE/ANITS
- 5. Problem #3 Solution Step 1: Find RE Apply KVL around CE loop E C CECCCC R I VRIV 1 EECECCCC RIVRIV ANIL PRASAD DADI/ECE/ANITS
- 6. Problem #3 Solution Step 2: Find RTH and VTH BE BE BE E RR RR RR R S 1 1 1 1 EEBETHBTH RIVRIV E C BETH C TH R I VR I V ANIL PRASAD DADI/ECE/ANITS
- 7. Problem #3 Solution Step 3: Find R1 and R2 21 2 RR RV V CC TH 21 || RRRTH ANIL PRASAD DADI/ECE/ANITS
- 8. Problem #4 Assume that a Si transistor with β=50, VBE=0.6V, VCC=10V and RC=3.5KΩ is used in voltage divider bias circuit. It is desired to establish a Q-point at VCE=5V, IC=1mA and a stability factor of S≤10. Show the circuit diagram with all the components values. ANIL PRASAD DADI/ECE/ANITS
- 9. Problem #5 Assume that a Si transistor with β=99, VBE=0.6V, VCC=12V and RC=2.2KΩ is used in voltage divider bias circuit. It is desired to establish a Q-point at VCE=5V, IC=2mA and a stability factor of S≤10. Show the circuit diagram with all the components values. ANIL PRASAD DADI/ECE/ANITS
- 10. VB Problem #6 Assume that a Si transistor with β=100 and VBE=0.7V Determine the bias point ANIL PRASAD DADI/ECE/ANITS
- 11. VB Problem #6 solution 12 2 RR R VV CCB 12 21 RR RR RB ANIL PRASAD DADI/ECE/ANITS
- 12. Problem #6 solution ANIL PRASAD DADI/ECE/ANITS
- 13. Problem #6 solution ANIL PRASAD DADI/ECE/ANITS
- 14. Problem #7 Assume that a Si transistor with β=200 and VBE=0.7V Determine the bias point ANIL PRASAD DADI/ECE/ANITS
- 15. Problem #7 ANIL PRASAD DADI/ECE/ANITS
- 16. Problem #7 ANIL PRASAD DADI/ECE/ANITS
- 17. Problem #8 Assume that a Si transistor with β=∞, VBE=0.7V, and VCC=3V is used in voltage divider bias circuit shown below. Determine the required value of R2(in KΩ) to produce IC=1mA. VB ANIL PRASAD DADI/ECE/ANITS
- 18. Problem #8 Solution Given β=∞ IC=IE ( since IB=0) VB 12 2 RR R VV CCB EBEB VVV EEE RIV ANIL PRASAD DADI/ECE/ANITS