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1) The document describes a project to modulate an audio signal onto a LED by varying the current through the LED. 2) The authors designed a summing amplifier circuit to modulate the audio signal onto the LED current and analyzed the input, modulated, and transmitted signals. 3) Their results showed they were successfully able to modulate the audio signal and transmit it across the LED, though the transmitted signal strength was low which could be addressed with a current amplifier.
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Design of 17-Bit Audio Band Delta-Sigma Analog to Digital Converter
• Systematically designed a delta sigma ADC with CIFF modular architecture in MATLAB Simulink with an ENOB of 19-bits.
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2. The transmitter code generates pulses by alternating the output pin between high and low with delays. The receiver reads the photodiode voltage and sends it to a computer to plot the square wave signal graphically, showing accurate signal transmission.
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Simulated the filter to have a ripple within 0.2 dB under 3.6 MHz and a stopband attenuation of atleast -51 dB after 7.2 MHz.
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1) The document describes a project using an audio signal to modulate the intensity of an LED. A summing amplifier combines the audio signal with a bias voltage to vary the LED's brightness accordingly.
2) Light from the LED falls on a phototransistor, which amplifies the signal. With headphones, the transmitted audio could be heard clearly, demonstrating successful wireless transmission.
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• Calculated the S parameters of the Transistor and simulated the gain and bandwidth to be 10 dB and 1 GHz respectively.
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Ece 523 project – fully differential two stage telescopic op amp
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Low Noise Amplifier at 2 GHz using the transistor NE85639 in ADS
Low Noise Amplifier at 2 GHz using the transistor NE85639 in ADS
Continuous Low Pass Filter Realization using Cascaded stages of Tow-Thomas Bi...
Continuous Low Pass Filter Realization using Cascaded stages of Tow-Thomas Bi...
Differntial Input to Single Ended Output, Two stage Op-amp
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image analysis and enhance healthcare outcomes. This research paves the way
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The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
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Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
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A Digital Twin in computer networking is a virtual representation of a physical network, used to simulate, analyze, and optimize network performance and reliability. It leverages real-time data to enhance network management, predict issues, and improve decision-making processes.
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Software Testing: A Strategic Approach to Software Testing, Strategic Issues, Test Strategies for Conventional Software, Test Strategies for Object -Oriented Software, Validation Testing, System Testing, The Art of Debugging.
Agile Methodology: Before Agile – Waterfall, Agile Development.
Gas agency management system project report.pdf
The project entitled "Gas Agency" is done to make the manual process easier by making it a computerized system for billing and maintaining stock. The Gas Agencies get the order request through phone calls or by personal from their customers and deliver the gas cylinders to their address based on their demand and previous delivery date. This process is made computerized and the customer's name, address and stock details are stored in a database. Based on this the billing for a customer is made simple and easier, since a customer order for gas can be accepted only after completing a certain period from the previous delivery. This can be calculated and billed easily through this. There are two types of delivery like domestic purpose use delivery and commercial purpose use delivery. The bill rate and capacity differs for both. This can be easily maintained and charged accordingly.
Comparative analysis between traditional aquaponics and reconstructed aquapon...
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
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
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Project presentation
- 1. Audio Signal Modulation of a LED B Y : M I T C H E L L S E N G E R K A R T H I K V E L R A T H I N A V E L Y U T I N G X I
- 2. Outline Background Modulation Design Approach Signal Analysis Observations and Results Questions
- 3. LED Modulation (Source: Palaris Page125)
- 6. Signal Analysis • Input Signal • Modulated Output Signal •Transmitted Across Phototransistor
- 10. Observations and Results 1. Modulated Voltage and Current Signal Across LED 2. Transmitted Signal Strength is low. Current amplifier can be used to solve this problem 3. Successful audio transmission through modulation