The M62502 is a PWM controller IC for CRT display monitors. It performs stable PWM control over a wide range of external signal fluctuations using a built-in trigger mode oscillator. The IC is suitable for high voltage drive and horizontal output correction in CRT monitors. It features PWM output synchronized to external signals, a wide PWM control frequency range of 15kHz to 150kHz, and a soft start function for low voltage protection.
The LM555/NE555/SA555 is a highly stable timer capable of producing accurate timing pulses from microseconds to hours. It has a monostable operation where the time delay is controlled by one external resistor and capacitor. It also has an astable operation where the frequency and duty cycle are accurately controlled by two external resistors and one capacitor. The timer has high current drive capability, adjustable duty cycle, and temperature stability of 0.005%/°C.
This document provides information on the LPC662 low power CMOS dual operational amplifier:
- It is ideal for single supply operation from +5V to +15V with rail-to-rail output swing and input common-mode range including ground.
- Key features include micropower operation (<0.5mW), high voltage gain (120dB), low input offset voltage (3mV), and ultra low input bias current (2fA).
- Applications include high-impedance buffer, precision current-to-voltage converter, long-term integrator, high-impedance preamplifier, active filter, sample-and-hold circuit, and peak detector.
The document discusses the design and components of an autonomous rescue robot. It describes the microcontroller, sensors, actuators and other hardware used in the robot. It also provides software and circuit diagrams. The robot is designed for search and rescue operations in disaster areas. It can move autonomously and detect sounds to find trapped victims. Its small size allows access to narrow spaces. Future work may add regular sound detection capabilities.
The TB62206FG is a bipolar stepping motor driver IC that uses BiCD process technology. It can drive a 2-phase stepping motor with an output withstand voltage of 40V and maximum current of 1.8A per phase. The IC features internal PWM current control, 2-phase or 1-2 phase excitation, monolithic BiCD construction, and on-chip protection circuits. It is packaged in an HSOP20-P-450-1.00 package.
The MP8126 is a voltage regulator designed to efficiently provide power and voltage control to a satellite receiver's low noise block converter. It uses a boost converter followed by a linear regulator to generate a clean power source that does not interfere with the low-noise RF signal. It is compatible with the DiSEqC satellite standard and can provide voltage selection and compensation for voltage drops over long cables. The MP8126 is available in small package sizes and provides over-current, over-temperature and short-circuit protection.
The document describes the Fairchild Power Switch (FPS) product family, which consists of a high voltage power SenseFET and a current mode PWM IC. The FPS is designed for off-line SMPS applications with minimal external components. It has features such as precision fixed operating frequency, low start-up current, pulse-by-pulse current limiting, and over voltage/current protection. Compared to discrete MOSFET and controller solutions, the FPS can reduce component count, size, and weight while improving efficiency and reliability.
The MUSES8920 is a high quality audio J-FET input dual operational amplifier. It has low noise of 8nV/√Hz, high slew rate of 25V/μs, and low distortion of 0.00004% at a voltage gain of 1. These characteristics make it suitable for applications such as audio preamplifiers, active filters, and line amplifiers. It can also be used in transimpedance amplifiers due to its low input bias current. The MUSES8920 is available in an 8-pin DIP or SOP package. It operates from a ±3.5V to ±16V power supply and provides high performance audio amplification.
The document discusses the monostable operation of the 555 IC timer. It aims to describe the circuit operation and applications of a monostable multivibrator, and calculate the pulse width. Specifically, it explains how the 555 IC can be used in a monostable multivibrator circuit to generate a single output pulse with a duration determined by the external resistor and capacitor. Diagrams and examples are provided to illustrate the internal circuitry and timing of the monostable mode.
The LM555/NE555/SA555 is a highly stable timer capable of producing accurate timing pulses from microseconds to hours. It has a monostable operation where the time delay is controlled by one external resistor and capacitor. It also has an astable operation where the frequency and duty cycle are accurately controlled by two external resistors and one capacitor. The timer has high current drive capability, adjustable duty cycle, and temperature stability of 0.005%/°C.
This document provides information on the LPC662 low power CMOS dual operational amplifier:
- It is ideal for single supply operation from +5V to +15V with rail-to-rail output swing and input common-mode range including ground.
- Key features include micropower operation (<0.5mW), high voltage gain (120dB), low input offset voltage (3mV), and ultra low input bias current (2fA).
- Applications include high-impedance buffer, precision current-to-voltage converter, long-term integrator, high-impedance preamplifier, active filter, sample-and-hold circuit, and peak detector.
The document discusses the design and components of an autonomous rescue robot. It describes the microcontroller, sensors, actuators and other hardware used in the robot. It also provides software and circuit diagrams. The robot is designed for search and rescue operations in disaster areas. It can move autonomously and detect sounds to find trapped victims. Its small size allows access to narrow spaces. Future work may add regular sound detection capabilities.
The TB62206FG is a bipolar stepping motor driver IC that uses BiCD process technology. It can drive a 2-phase stepping motor with an output withstand voltage of 40V and maximum current of 1.8A per phase. The IC features internal PWM current control, 2-phase or 1-2 phase excitation, monolithic BiCD construction, and on-chip protection circuits. It is packaged in an HSOP20-P-450-1.00 package.
The MP8126 is a voltage regulator designed to efficiently provide power and voltage control to a satellite receiver's low noise block converter. It uses a boost converter followed by a linear regulator to generate a clean power source that does not interfere with the low-noise RF signal. It is compatible with the DiSEqC satellite standard and can provide voltage selection and compensation for voltage drops over long cables. The MP8126 is available in small package sizes and provides over-current, over-temperature and short-circuit protection.
The document describes the Fairchild Power Switch (FPS) product family, which consists of a high voltage power SenseFET and a current mode PWM IC. The FPS is designed for off-line SMPS applications with minimal external components. It has features such as precision fixed operating frequency, low start-up current, pulse-by-pulse current limiting, and over voltage/current protection. Compared to discrete MOSFET and controller solutions, the FPS can reduce component count, size, and weight while improving efficiency and reliability.
The MUSES8920 is a high quality audio J-FET input dual operational amplifier. It has low noise of 8nV/√Hz, high slew rate of 25V/μs, and low distortion of 0.00004% at a voltage gain of 1. These characteristics make it suitable for applications such as audio preamplifiers, active filters, and line amplifiers. It can also be used in transimpedance amplifiers due to its low input bias current. The MUSES8920 is available in an 8-pin DIP or SOP package. It operates from a ±3.5V to ±16V power supply and provides high performance audio amplification.
The document discusses the monostable operation of the 555 IC timer. It aims to describe the circuit operation and applications of a monostable multivibrator, and calculate the pulse width. Specifically, it explains how the 555 IC can be used in a monostable multivibrator circuit to generate a single output pulse with a duration determined by the external resistor and capacitor. Diagrams and examples are provided to illustrate the internal circuitry and timing of the monostable mode.
A3918 low voltage dc motor driver allegro datasheet[1]putchi56
The A3918 is a low voltage DC motor driver capable of output currents up to 1.5A and operating voltages from 2.5V to 9V. It uses internal PWM current control and synchronous rectification for reduced power dissipation. It has features such as undervoltage lockout, low RDS(on) outputs, brake mode for DC motors, and thermal shutdown protection. The A3918 is provided in a 16-pin QFN package and is suitable for applications such as digital cameras and battery/USB powered devices.
These documents describe several high-performance PAL circuits from Texas Instruments. The circuits provide functionality equivalent to existing PAL devices but with higher maximum frequencies of up to 62.5MHz. They integrate Advanced Low-Power Schottky technology with titanium-tungsten fuses. The devices have preload capability on output registers to simplify testing. They are available in plastic and ceramic packages over commercial and extended temperature ranges.
The document provides data and information about the TDA8511J integrated circuit, which contains 4 single-ended power amplifiers that each produce 13 watts of output power. It has features like short-circuit protection, diagnostic capabilities, and requires few external components. The IC is intended for use in multimedia applications and active speaker systems. Key specifications are provided, along with a block diagram showing its internal components and connections.
1. The document provides instructions for laboratory experiments involving operational amplifiers. It includes procedures for measuring op-amp parameters, designing basic circuits like inverting and non-inverting amplifiers, and setting up more advanced circuits like integrators, differentiators, and instrumentation amplifiers.
2. Key circuits and components are explained theoretically before providing diagrams and step-by-step procedures to build and test each circuit. Characteristics like gain, frequency response, and output waveforms are analyzed.
3. The goal is to design and set up basic and advanced op-amp circuits, make voltage and waveform measurements, and analyze frequency responses to understand circuit behavior.
The TX-2B/RX-2B is a pair of CMOS LSIs designed for remote controlled car applications. It has five control keys for controlling motions like forward, backward, right, left, and turbo functions. It features a wide operating voltage range, low stand-by current, and auto-power-off function. Few external components are needed. The TX-2B transmits encoded signals corresponding to the key pressed and the RX-2B receives and decodes the signals to control the car motions.
The STR-X6759N is a quasi-resonant topology integrated circuit designed for SMPS applications. It provides low EMI noise characteristics through its quasi-resonant topology and soft switching of the internal MOSFET. It also features a bottom-skip mode to improve efficiency over the load range and a standby mode to reduce input power at light loads. Protections such as overvoltage, overload, and overcurrent protections improve reliability.
This document summarizes the features and operation of the TB6819AFG critical conduction mode power factor correction (PFC) controller IC. It contains an 8-pin SOP package and operates from 10-25V while providing a maximum current of 1A. It uses various protection circuits and zero current detection to control an external switching MOSFET in a boost converter configuration to shape the input current and regulate the output voltage. The IC aims to achieve a power factor close to 1 while providing overvoltage and undervoltage protections.
The LR8 is a high voltage, adjustable linear regulator that can regulate output voltages from 1.2V to 440V provided the input voltage is at least 10V greater than the output voltage. It has a wide input voltage range of 12V to 450V and can source output currents from 0.5mA to 10mA with 5% output voltage tolerance. The LR8 uses an external resistor divider to set the output voltage and includes current limiting, temperature limiting, and short circuit protection. It is well suited for applications requiring high input voltages such as off-line power supplies, battery chargers, and motor controls.
The document describes the STR-W605xS series of current mode control PWM regulator ICs for switching power supplies. The ICs incorporate a power MOSFET and PWM controller on a single die in a TO-220 package. Key features include current mode PWM control, random switching to reduce EMI, slope compensation, auto-standby mode, noise suppression, and various protection functions. Electrical characteristics and performance curves are provided for the MOSFETs and ICs.
The document provides information about the 74HC/HCT4020 integrated circuit, which is a 14-stage binary ripple counter. It has 12 parallel outputs, a clock input, and an overriding asynchronous master reset input. The counter advances on the falling edge of the clock input and the master reset input asynchronously clears all counter stages and forces the outputs low. The document includes specifications, pin descriptions, logic diagrams, timing diagrams, and package information.
This document summarizes the specifications of the TDA7386, a quad channel 40W car audio amplifier integrated circuit. It can provide up to 4 x 45W of power into 4 ohm loads with low distortion. It has protections for overheating, short circuits, inductive loads, and overvoltage. It requires few external components due to its integrated gain and compensation.
The document provides specifications for low power dual operational amplifiers. Key details include:
1) The amplifiers have a wide bandwidth of 1.1MHz, low input bias current of 20nA, and low input offset voltage of 2mV.
2) They can operate from a single power supply between 3-30V with low current draw of 0.7-1.2mA.
3) The amplifiers have high voltage gain of 100dB, large output swing from 0V to the positive supply voltage minus 1.5V, and can interface with single 5V logic systems.
4) They are suitable for applications such as transducer amplifiers, DC gain blocks, and conventional op
The document provides information on the LM741 operational amplifier from Fairchild Semiconductor. Some key points:
- The LM741 is a general purpose operational amplifier intended for a wide range of analog applications such as integrators, summing amplifiers, and feedback circuits.
- It has features such as short circuit protection, excellent temperature stability, internal frequency compensation, and a high input voltage range.
- The document provides detailed specifications, electrical characteristics, and performance graphs of the LM741 as well as packaging and ordering information.
The document discusses programming microcontrollers for embedded systems. It provides examples of interfacing multiple switches to a single pin of a microcontroller and configuring the microcontroller's analog-to-digital converter (ADC). The examples demonstrate starting and stopping the ADC, reading ADC values, and setting the ADC prescaler and reference voltages. Practical programming techniques are presented for reading sensor inputs using the ADC to acquire data from the real world.
SPICE MODEL of LM111J/883 in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.
Study and implementation of comparator in cmos 50 nm technologyeSAT Journals
Abstract This paper describes the comparator circuits used in FLASH Analog to digital converter (ADC). The performance of FLASH ADC is greatly influenced by the choice of comparator. In this paper, first a single ended “Threshold Inverter Quantizer” (TIQ) is presented. The TIQ comparator is based on a CMOS inverter cell, in which voltage transfer characteristics (VTC) are changed by systematic transistor sizing. However, TIQ comparator is very sensitive to power supply noise. Another comparator circuit presented in this paper is “Two stage open loop comparator”. It is implemented in 50 nm CMOS Technology. Pre-simulation of comparator is done in LT-Spice and post layout simulation is done in Microwind 3.1. Keywords: CMOS, Comparator, TIQ (Threshold Inverter Quantizer), LT-Spice.
The document provides information on integrated circuits called 74HC/HCT14 hex inverting Schmitt triggers. It includes:
1) Key features such as standard output capability and static CMOS design.
2) Electrical specifications like propagation delay, input/output capacitance, and power dissipation.
3) Pin descriptions and logic diagrams showing the devices' inverting buffer function.
4) DC parameters including transfer characteristics, thresholds, and hysteresis.
5) AC timing parameters and test conditions.
This document provides an electrical schematic diagram for an electronic device. It includes labels for various components such as chips, capacitors, resistors, and connectors. The diagram shows the connections between these components and how different parts of the circuit are powered. Key components include an SDRAM chip, FLASH memory, audio and video chips, power regulation circuits, and interfaces for video and audio output.
This document summarizes the features and specifications of the ATmega16 microcontroller. It has a low-power 8-bit AVR processor with 16K bytes of flash memory, 512 bytes of EEPROM, and 1K byte of SRAM. It includes timers, PWM channels, ADC, serial interfaces, and I/O pins. The microcontroller supports in-system programming of its flash memory and operates between 0-16MHz with voltages from 2.7-5.5V.
A3918 low voltage dc motor driver allegro datasheet[1]putchi56
The A3918 is a low voltage DC motor driver capable of output currents up to 1.5A and operating voltages from 2.5V to 9V. It uses internal PWM current control and synchronous rectification for reduced power dissipation. It has features such as undervoltage lockout, low RDS(on) outputs, brake mode for DC motors, and thermal shutdown protection. The A3918 is provided in a 16-pin QFN package and is suitable for applications such as digital cameras and battery/USB powered devices.
These documents describe several high-performance PAL circuits from Texas Instruments. The circuits provide functionality equivalent to existing PAL devices but with higher maximum frequencies of up to 62.5MHz. They integrate Advanced Low-Power Schottky technology with titanium-tungsten fuses. The devices have preload capability on output registers to simplify testing. They are available in plastic and ceramic packages over commercial and extended temperature ranges.
The document provides data and information about the TDA8511J integrated circuit, which contains 4 single-ended power amplifiers that each produce 13 watts of output power. It has features like short-circuit protection, diagnostic capabilities, and requires few external components. The IC is intended for use in multimedia applications and active speaker systems. Key specifications are provided, along with a block diagram showing its internal components and connections.
1. The document provides instructions for laboratory experiments involving operational amplifiers. It includes procedures for measuring op-amp parameters, designing basic circuits like inverting and non-inverting amplifiers, and setting up more advanced circuits like integrators, differentiators, and instrumentation amplifiers.
2. Key circuits and components are explained theoretically before providing diagrams and step-by-step procedures to build and test each circuit. Characteristics like gain, frequency response, and output waveforms are analyzed.
3. The goal is to design and set up basic and advanced op-amp circuits, make voltage and waveform measurements, and analyze frequency responses to understand circuit behavior.
The TX-2B/RX-2B is a pair of CMOS LSIs designed for remote controlled car applications. It has five control keys for controlling motions like forward, backward, right, left, and turbo functions. It features a wide operating voltage range, low stand-by current, and auto-power-off function. Few external components are needed. The TX-2B transmits encoded signals corresponding to the key pressed and the RX-2B receives and decodes the signals to control the car motions.
The STR-X6759N is a quasi-resonant topology integrated circuit designed for SMPS applications. It provides low EMI noise characteristics through its quasi-resonant topology and soft switching of the internal MOSFET. It also features a bottom-skip mode to improve efficiency over the load range and a standby mode to reduce input power at light loads. Protections such as overvoltage, overload, and overcurrent protections improve reliability.
This document summarizes the features and operation of the TB6819AFG critical conduction mode power factor correction (PFC) controller IC. It contains an 8-pin SOP package and operates from 10-25V while providing a maximum current of 1A. It uses various protection circuits and zero current detection to control an external switching MOSFET in a boost converter configuration to shape the input current and regulate the output voltage. The IC aims to achieve a power factor close to 1 while providing overvoltage and undervoltage protections.
The LR8 is a high voltage, adjustable linear regulator that can regulate output voltages from 1.2V to 440V provided the input voltage is at least 10V greater than the output voltage. It has a wide input voltage range of 12V to 450V and can source output currents from 0.5mA to 10mA with 5% output voltage tolerance. The LR8 uses an external resistor divider to set the output voltage and includes current limiting, temperature limiting, and short circuit protection. It is well suited for applications requiring high input voltages such as off-line power supplies, battery chargers, and motor controls.
The document describes the STR-W605xS series of current mode control PWM regulator ICs for switching power supplies. The ICs incorporate a power MOSFET and PWM controller on a single die in a TO-220 package. Key features include current mode PWM control, random switching to reduce EMI, slope compensation, auto-standby mode, noise suppression, and various protection functions. Electrical characteristics and performance curves are provided for the MOSFETs and ICs.
The document provides information about the 74HC/HCT4020 integrated circuit, which is a 14-stage binary ripple counter. It has 12 parallel outputs, a clock input, and an overriding asynchronous master reset input. The counter advances on the falling edge of the clock input and the master reset input asynchronously clears all counter stages and forces the outputs low. The document includes specifications, pin descriptions, logic diagrams, timing diagrams, and package information.
This document summarizes the specifications of the TDA7386, a quad channel 40W car audio amplifier integrated circuit. It can provide up to 4 x 45W of power into 4 ohm loads with low distortion. It has protections for overheating, short circuits, inductive loads, and overvoltage. It requires few external components due to its integrated gain and compensation.
The document provides specifications for low power dual operational amplifiers. Key details include:
1) The amplifiers have a wide bandwidth of 1.1MHz, low input bias current of 20nA, and low input offset voltage of 2mV.
2) They can operate from a single power supply between 3-30V with low current draw of 0.7-1.2mA.
3) The amplifiers have high voltage gain of 100dB, large output swing from 0V to the positive supply voltage minus 1.5V, and can interface with single 5V logic systems.
4) They are suitable for applications such as transducer amplifiers, DC gain blocks, and conventional op
The document provides information on the LM741 operational amplifier from Fairchild Semiconductor. Some key points:
- The LM741 is a general purpose operational amplifier intended for a wide range of analog applications such as integrators, summing amplifiers, and feedback circuits.
- It has features such as short circuit protection, excellent temperature stability, internal frequency compensation, and a high input voltage range.
- The document provides detailed specifications, electrical characteristics, and performance graphs of the LM741 as well as packaging and ordering information.
The document discusses programming microcontrollers for embedded systems. It provides examples of interfacing multiple switches to a single pin of a microcontroller and configuring the microcontroller's analog-to-digital converter (ADC). The examples demonstrate starting and stopping the ADC, reading ADC values, and setting the ADC prescaler and reference voltages. Practical programming techniques are presented for reading sensor inputs using the ADC to acquire data from the real world.
SPICE MODEL of LM111J/883 in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.
Study and implementation of comparator in cmos 50 nm technologyeSAT Journals
Abstract This paper describes the comparator circuits used in FLASH Analog to digital converter (ADC). The performance of FLASH ADC is greatly influenced by the choice of comparator. In this paper, first a single ended “Threshold Inverter Quantizer” (TIQ) is presented. The TIQ comparator is based on a CMOS inverter cell, in which voltage transfer characteristics (VTC) are changed by systematic transistor sizing. However, TIQ comparator is very sensitive to power supply noise. Another comparator circuit presented in this paper is “Two stage open loop comparator”. It is implemented in 50 nm CMOS Technology. Pre-simulation of comparator is done in LT-Spice and post layout simulation is done in Microwind 3.1. Keywords: CMOS, Comparator, TIQ (Threshold Inverter Quantizer), LT-Spice.
The document provides information on integrated circuits called 74HC/HCT14 hex inverting Schmitt triggers. It includes:
1) Key features such as standard output capability and static CMOS design.
2) Electrical specifications like propagation delay, input/output capacitance, and power dissipation.
3) Pin descriptions and logic diagrams showing the devices' inverting buffer function.
4) DC parameters including transfer characteristics, thresholds, and hysteresis.
5) AC timing parameters and test conditions.
This document provides an electrical schematic diagram for an electronic device. It includes labels for various components such as chips, capacitors, resistors, and connectors. The diagram shows the connections between these components and how different parts of the circuit are powered. Key components include an SDRAM chip, FLASH memory, audio and video chips, power regulation circuits, and interfaces for video and audio output.
This document summarizes the features and specifications of the ATmega16 microcontroller. It has a low-power 8-bit AVR processor with 16K bytes of flash memory, 512 bytes of EEPROM, and 1K byte of SRAM. It includes timers, PWM channels, ADC, serial interfaces, and I/O pins. The microcontroller supports in-system programming of its flash memory and operates between 0-16MHz with voltages from 2.7-5.5V.
The document models and simulates the behavior of device EL7158. It includes:
- A circuit diagram of EL7158 with various components like switches, capacitors, and resistors.
- Simulation waveforms showing the voltage levels at different pins of EL7158 over time as it is stimulated by input signals.
- Parameters defined for the components in the circuit like voltage thresholds for switches and capacitance/resistance values.
The document analyzes the circuit behavior of EL7158 through simulation and observation of voltage waveforms at its pins in response to input signals.
This document provides a summary of semiconductor parts inventory from Spice Park in June 2016. It lists 282 general purpose rectifier diodes from various manufacturers such as Fairchild, Fuji, International Rectifier, Intersil, ROHM, Shindengen, and Toshiba. For each part, the manufacturer, model, thermal characteristics, and date are provided. The majority of the rectifiers are from Fairchild, Intersil, and ROHM.
Shoppers are expected to spend more on back-to-school shopping this year, with an average of $488 anticipated to be spent. Most shoppers will do the majority of their shopping in physical stores, though technology purchases are more likely to be made online. Research is done digitally before purchases are made in stores. Spending is heaviest on traditional items like clothing, shoes, and school supplies, though those buying computers or gadgets will spend the most overall. Early shopping and following school-recommended lists influences higher spending.
Essential things that should always be in your carEason Chan
A driver can bail out of a lot of sticky situations if he plans ahead. More often than not, things go south on you when you think nothing could go wrong. So it pays to hope for the best and plan for the worst, especially on the road. Here are some things that should always be kept in your car for all those just in case moments.
What happens when the digital tools and platforms we make and use for communication and entertainment are hijacked for terrorism, violence against the vulnerable and nefarious transactions? What role do designers and developers play? Are we complicit as creators of these technologies and products? Should we police them or fight back? As Portfolio Lead for Northern Lab, Northern Trust's internal innovation startup focused on client and partner experience, Antonio will share a mix of provocative scenarios torn from today's headlines and compelling stories where activism and technology facilitated peace—and war.
As a call-to-action for designers and developers to engage in projects capable of transformational change, he'll explore the question: How might technology foster new experiences to better accelerate social activism and make the world a smarter, safer place?
This phase control IC is intended to control thyristors, triacs, and transistors. It can shift the trigger pulses within a phase angle between 0° and 180°. Typical applications include converter circuits, AC controllers and three-phase current controllers. The IC provides reliable recognition of zero passage, has a large application scope, and can be used for three-phase operation with three ICs. It replaces previous types TCA 780 and TCA 780 D.
1) The document describes using a PIC18F microcontroller to control a brushless DC motor in open-loop and closed-loop modes.
2) In open-loop control, the motor is commutated based on Hall sensor inputs using input capture and PWM outputs. PWM duty cycle is varied to control motor speed.
3) In closed-loop control, motor speed is measured using input capture and Hall sensors, and PWM duty cycle is adjusted based on the difference between a reference speed and the measured speed to regulate motor speed.
This document describes using a PIC18F microcontroller to control a brushless DC motor in open-loop and closed-loop modes. It discusses using the microcontroller's peripherals like Pulse Width Modulation (PCPWM), Input Capture (IC) and Analog-to-Digital Converter (ADC) to control the motor speed. The Input Capture module is used to read the Hall sensor signals and determine the motor's speed. Pulse Width Modulation is used to control the power switches that regulate voltage to the motor windings. Closed-loop control uses feedback from sensors to maintain a target speed.
The DQ111EE25A20NAC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation, hall sensor or encoder feedback, and a SynqNet interface for networked motion control applications. It provides motor control, digital and analog I/O, and extensive protection features in a compact surface mount package.
The DQ111EE30A40NAC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation for high efficiency and integrated SynqNet interface for networked motion control applications. It provides motor commutation signals, digital and analog I/O, and protective features like overvoltage and overcurrent protection.
The DQ111SE Series digital servo drives are fully digital devices that employ space vector modulation and vector control technology to drive brushed and brushless motors. They feature a SynqNet interface for networked motion control applications and include programmable digital and analog inputs and outputs for interfacing with external devices. The drives offer extensive protection features and parameters are stored in non-volatile memory.
The DQ111EE15A40NAC is a digital servo drive that features state-of-the-art design using space vector modulation and vector control technology. It has a SynqNet motion control network interface for high-speed command operation in networked applications. The drive provides fully digital motor control and features programmable digital and analog inputs/outputs for interfacing with external devices.
The DQ112EE15A40LDC is a digital servo drive with features such as space vector modulation, hall sensor and encoder feedback, isolated I/O, and a SynqNet interface. It provides motor control and I/O expansion for networked motion control applications. Key specifications include a 60-400VDC input, 15A peak current, and 20kHz switching frequency.
The DQ111EE30A80LAC digital servo drive is designed to control brushed and brushless motors. It features space vector modulation for high efficiency, dedicated digital and analog inputs/outputs, and a SynqNet interface for networked motion control applications. Setup and commissioning are done through graphical Windows software via the SynqNet interface.
The DQ111SE Series digital servo drives are fully digital devices that employ space vector modulation and vector control technology to drive brushed and brushless motors. They feature a SynqNet interface for networked motion control applications, and include programmable digital and analog inputs and outputs. The drives operate in torque mode, store parameters in non-volatile memory, and provide protection against over-voltage, under-voltage, short-circuits, over-current and over-temperature.
The DQ111EE15A40LDC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation for high efficiency and integrated SynqNet interface for networked motion control applications. The drive provides torque control of the motor along with dedicated digital and analog inputs/outputs. It is designed for easy setup and commissioning through Windows-based software.
The DQ111SE15A40NAC is a fully digital servo drive with space vector modulation and vector control. It features a SynqNet motion control network interface, programmable digital and analog inputs/outputs, and protection against over-voltage, under-voltage, and over-current. Configuration is done through a Windows-based software via the SynqNet interface.
The DQ111EE Series is a digital servo drive that controls brushed and brushless motors. It features a SynqNet interface for networked motion control applications. The drive has inputs and outputs for motor commutation feedback, I/O control, and uses space vector modulation for efficient motor control. It is designed for easy setup and commissioning through Windows-based software.
The document provides a data sheet for the TDA7057AQ integrated circuit, which is a 2 x 8 W stereo BTL audio output amplifier with DC volume control. Some key features and specifications of the IC include its DC volume control, thermal protection, short-circuit protection, low noise and power consumption. Testing results show it can provide up to 8W of output power with low distortion from a 12-15V supply. Graphs plot characteristics such as gain, power output, noise and supply rejection ratio versus various parameters.
The DQ111EE40A8BDC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation for high efficiency and integrated SynqNet interface for networked motion control. It has inputs and outputs for motor commutation feedback, I/O signals, and analog command inputs. The drive provides torque control of the motor and protection from faults.
The DQ111SE15A40LDC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation for high efficiency, as well as digital and analog inputs/outputs. It integrates with SynqNet motion control networks and includes setup software. Key specifications include a 15A peak current, 20kHz switching frequency, and SynqNet, analog, and differential digital interfaces.
The DQ111SE30A40NAC is a digital servo drive that controls brushed and brushless motors. It features space vector modulation, programmable gains, encoder feedback support, I/O, and a SynqNet interface for motion control networking. The drive provides motor control, I/O, parameter storage, and protection in a compact size.
The document describes an analog baseband chain for a Synthetic Aperture Radar (SAR) receiver implemented in a 130nm CMOS technology. The baseband chain consists of a three-stage Variable Gain Amplifier (VGA), a 5th-order gm-C Low Pass Filter (LPF), and an Output Buffer (OBUF). The VGA provides a tunable gain range of 25-34dB. The LPF has a programmable bandwidth of 120-190MHz and provides an additional 8dB of gain. Together, the baseband chain achieves 4nV/√Hz of input-referred noise density and -42dBV of in-band IIP3. The chain occupies
This document describes the DC201R Series digital servo drives. The drives feature fully digital control, CANopen communication interface, and support for brushed and brushless DC motors. Key specifications include continuous current rating of 12.5A, switching frequency of 20kHz, isolated digital and analog I/O, and configurable operation in torque, velocity or position mode via the CANopen interface.
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zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...Alex Pruden
Folding is a recent technique for building efficient recursive SNARKs. Several elegant folding protocols have been proposed, such as Nova, Supernova, Hypernova, Protostar, and others. However, all of them rely on an additively homomorphic commitment scheme based on discrete log, and are therefore not post-quantum secure. In this work we present LatticeFold, the first lattice-based folding protocol based on the Module SIS problem. This folding protocol naturally leads to an efficient recursive lattice-based SNARK and an efficient PCD scheme. LatticeFold supports folding low-degree relations, such as R1CS, as well as high-degree relations, such as CCS. The key challenge is to construct a secure folding protocol that works with the Ajtai commitment scheme. The difficulty, is ensuring that extracted witnesses are low norm through many rounds of folding. We present a novel technique using the sumcheck protocol to ensure that extracted witnesses are always low norm no matter how many rounds of folding are used. Our evaluation of the final proof system suggests that it is as performant as Hypernova, while providing post-quantum security.
Paper Link: https://eprint.iacr.org/2024/257
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
M62502FPのデータシート
1. Y n. e. MITSUBISHI (Dig./Ana. INTERFACE)
A L cificacttioto chang
I N pe
I M final s subje
E L is noct lamits are
R is i M62502FP
P ces;Thametri
i r
Not me pa PWM IC for the synchronized deflection system control
So
GENERAL DESCRIPTION
The M62502 is a controller for a deflection system of CRT display PIN CONFIGURATION(TOP VIEW)
monitors. It performs a stable PWM control over a wide fluctuation
of external signals, thanks to the built-in trigger mode oscillator.
The IC is suitable for an application to a high voltage drive and a PWM OUT 1 16 GND
horizontal output correction of CRT monitors because of its
following circuits and functions; Vcc 2 15 VREF
M62502FP
• Under Voltage Lock Out circuit (UVLO) TIN 3 14 DTC
• Soft-start function
Cosc 4 13 FB
FEATURES Cagc1 5 12 IN –
• PWM output synchronized with external signals Ragc 6 11 IN +
• Wide PWM control frequency Cagc2 7 10 Duty
15kHz to 150kHz
2fh 8 9 DOUT
• Soft start function
• Low voltage malfunction protection circuit
start Vcc > 9V Outline 16P2N-A
stop Vcc < 6V
APPLICATION
• C R T display monitor
BLOCK DIAGRAM
Duty DRIVE
GND VREF DTC FB IN- IN+ Adj OUTPUT
16 15 14 13 12 11 10 9
VCC
VREF Duty
Amp
cont
Comp
Wind comp
Comp
UVLO
GEN AGC Edge
GEN AGC detection
1 2 3 4 5 6 7 8
PWM OUT VCC TIN COSC CAGC1 RAGC CAGC2 2fh
(1/7)
2. Y n. e. MITSUBISHI (Dig./Ana. INTERFACE)
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Terminal Number and The facility
PIN No. Symbol Functional Description
1 PWM OUT PWM output
2 VCC Power supply
3 TIN Trigger input
4 COSC Setting oscillating frequency
5 Cagc1 AGC setting
6 RAGC AGC Current setting resistor connected to this terminal
7 Cagc2 AGC setting
8 2fh Double velocity reshuffle
9 DOUT Drive output
10 Duty Duty regulation
11 IN+ Positive input of Op-Amp.
12 IN- Negative input of Op-Amp.
13 FB Output of Op-Amp.
14 DTC Dead time control (Soft start function)
15 VREF Output of reference voltage (5V)
16 GND Ground
Absolute Maximum Rating (Ta=25°C,unless otherwise noted)
Symbol Parameter Conditions Ratings Unit
VCC Supply voltage 15 V
VOUT Output voltage 15 V
IOUT Output current ±100 mA
Vd Drive output voltage 15 V
Id Drive output current 20 mA
VICM Error amplifier input common V
mode voltage range -0.3 to VCC
VID Error amplifier input common VCC V
mode voltage
Pd Power dissipation 650 mW
K Thermal derating ratio Ta≥25°C 5.2 mW/°C
Topr Operating ambient temperature -20 to +75 °C
Tstg Storage temperature -40 to +150 °C
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ELECTRICAL CHARACTERISTICS (Vcc=12V, TIN=40kHz, Ta=25°C, unless otherwise noted)
Limits
Block Symbol Parameter Test conditions Unit
Min Typ Max
VCC Range of power supply VCC OFF 14 V
ICC Circuit current Output off mode 25 mA
VREF Reference voltage 4.80 5.00 5.20 V
Reg-in Input regulation 1.0 10 mV
Reference
voltage Reg-L Load regulation 2.0 20 mV
section TCVREF Reference voltage thermal coefficient 0.01 %/°C
IREF MAX Maximum reference current -30 mA
IS Short-circuit current -30 mA
VIO Input offset voltage 7 mV
IIb Input bias current -100 nA
IIO Input offset current -100 100 nA
Error VICM Common mode input voltage range -0.3 VCC-2 V
Amp. AV Open loop transmission gain 70 110 dB
SR Slew rate 4 V/µs
VOR Output voltage range 0.3 VREF-1.5 V
Isink Output sink current 10 mA
Isourse Output source current -10 mA
fOSC Oscillation frequency 15 150 kHz
VOSC H The oscillator waveform bound voltage 3.5 V
Oscillator VOSC L The oscillator waveform lower limit voltage 1.5 V
VTIN H High level of TIN 2.5 VCC V
VTIN L Low level of TIN 1.0 V
PWM
output
Vsat L Output saturation voltage L IO=100mA 0.7 1.4 V
section Vsat H Output saturation voltage H IO=-100mA 9.5 10.5 V
UVLO VTH ON ON threshold voltage 8.0 9.0 10.0 V
section VTH OFF OFF threshold voltage 5.4 6.0 6.6 V
Duty adj IDuty Input current VDuty=2.5V -6.5 -1.3 - µA
section Duty max Maximum ON duty VDuty=3V 5.0 µsec
UVP VUVPO Input offset voltage Id=10mA 0.4 V
section IIN UVP UVP terminal input current VDO=12V 1.0 µA
fh reshuffle Ifh fh terminal current Vhf=5V - 330 430 µA
section Vfh fh reshuffle voltage 0.4VREF 0.5VREF 0.6VREF V
(3/7)
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Not me pa PWM IC for the synchronized deflection system control
So
Terminal functional description and equivalent circuit
Terminal No. Symbol Function and internal circuit
PWM output 2 Vcc
• PWM output synchronized with the TIN input is available.
• Output "H" level = 10.5V typ
(The output current:-100mA,Vcc=12V) PWM
1 PWM OUT • Output "L" level = 0.7V Typ
1 OUT
(The output current:+100mA,Vcc=12V)
16 GND
2 Vcc Power supply
Vcc 2 15 VREF
Trigger input
• Frequency range
15kHz to 150kHz
• It is taken on a leading edge.
TIN 3
TIN input waveform
3 TIN MIN 2.5V
MAX 1.0V
16 GND
A saw-wave oscillator timing setting (Cosc)
• A saw-wave is generated by connecting the capacitor between pin4 and GND.
• Recommended capacitor value is 1000pF.
Setting AGC sensitivity (Cagc)
• The sensitivity of AGC circuit is set by connecting the capacitor between pin5
4 Cosc and GND.
• Recommended capacitor value is 1µF.
VREF
15
5 Cagc1
Cosc 4 ~
~
5 Cagc1
~
GND 16
(4/7)
5. Y n. e. MITSUBISHI (Dig./Ana. INTERFACE)
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Terminal No. Symbol Function and internal circuit
VREF
AGC current setting
• The resistor is connected between pin6 and GND for
setting AGC current flowing in DOUT circuit.
6 Ragc
Ragc 6
VREF
Setting AGC sensitivity
• The sensitivity of AGC is set by connecting
the capacitor between pin7 and GND.
• Recommended capacitor value is 1µF.
7 Cagc2
Cagc2 7
Frequency selection
VREF
• The frequency of drive output is alternated
between just(fh) and doubled(2fh) one.
8 2fh 2fh 8
~
OPEN, GND : fh
VREF : 2fh
~ ~
VREF
Drive output
• Open collector circuit.
9 DOUT
9 DOUT
VREF
The duty adjustment of drive output
10 Duty
Duty 10
(5/7)
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Not me pa PWM IC for the synchronized deflection system control
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Terminal No. Symbol Function and internal circuit
Vcc 2
Positive input of Op-Amp (IN+)
11 IN+
Negative input of OP Amp (IN-)
12 IN-
IN+ 11 12 IN-
Output of Op-Amp (FB)
Dead time control (DTC)
• A soft start function is available during power-on by adopting 15 VREF
a time constant.
13 FB DTC 14
Cosc
FB 13 4
14 DTC
PWM comparator section GND
16
Reference voltage terminal Vcc 2
• 5V is output via this terminal.
A current capability is 5mA.
15 VREF 15 VREF
-
+
GND 16
16 GND • Ground
(6/7)
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Not me pa PWM IC for the synchronized deflection system control
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M62502 application IN- IN+
R2 R3 Duty Vcc
VR1 C3
C5 R5
C2 R1
C4 R4 DOUT
D1
16 15 14 13 12 11 10 9
VCC
VREF Duty
Amp
cont
Comp
Wind
comp
Comp
UVLO
GEN AGC Edge
detection
GEN AGC
Vcc
1 2 3 4 5 6 7 8
Cosc Cagc1 Cagc2
Ragc
PWM OUT TIN 2fh
C1
C1,C2 ----------- These capacitors are for stabilization of Vcc and VREF.
VR1 ----------- It is decided considering a current capability of VREF. (The capability is about 5mA.)
Recommended value is around 10kΩ
C3,D1 ----------- They are for a soft start function. A time constant is decided considering VR1.
Cagc1,2 ----------- These capacitors are for stabilization of AGC circuit. A larger capacitor improves a
stability of the system, however a system response is degraded.
Recommended capacitor value is around 1µF.
Cosc ---------- This capacitor is for the saw-wave generation.
Recommended capacitor value is around 1000pF.
R1,R2,R3,R4 ----- They are for the gain setting of the error Amp. R2 should be several kΩ to dozens of kΩ
C4,C5 to set a voltage gain 20dB to 40dB at f = 1kHz, so that the feed back loop is stable.
When the voltage gain is too low, it causes jitter.
Recommended values of C4, C5 and R1 are ; C4 = dozens of pF to several hundreds pF,
C5 = several thousands pF to tens of thousands pF, R1 = dozens of kΩ to several
hundreds kΩ.
Ragc ----------- This resistor is for the AGC setting of DOUT. Recommended value is 27kΩ.
R5 ----------- It is a pull-up resister of DOUT output, because DOUT is configured by the open
collector circuit. Recommended value is several kΩ.
(7/7)
8. This datasheet has been download from:
www.datasheetcatalog.com
Datasheets for electronics components.