Some of these have low current-output capacity. There are various types of HVDC supplies available in the market, including voltage doublers or quadruple, flyback converters, and boost converters. This project is available at Brushless DC Motor Driver 8) HVDC Power Supply DesignĬircuits like Geiger counters, insect zappers, Nixie tubes, and sensors require high-voltage direct-current (HVDC) supplies. The brushless DC motor driver circuit described here uses a DRV10866 driver IC to drive a small BLDC fan, without using any position sensors. This project is available at Make This Joystick-Controlled Industrial Automation System 7) Brushless DC Motor Driver This project can be used to control up to four industrial electrical appliances with the help of a joystick and an Arduino Nano board. This circuit system is available at Energy Meter 6) Joystick-Controlled Industrial Automation System Presented here is a simple energy meter using Analog Device’s ADE7757 chip for single-phase, 2-wire (phase and neutral) systems used in households. This circuit system is available at USB Power Socket Recommended: Mini Projects Ideas 5) Make Your Own Energy Meter The circuit system of a versatile USB power socket safely converts the 12V battery voltage into stable 5V. The Design Guide is available at Design Your Own Electric Vehicle Battery Charging Solutions. If required, help is available from the company. The application note below should help designers make their own electric vehicle battery charging solutions. 3) Electric Vehicle Battery Charging Solutions This project is available at 5V DC To 48V DC Converter. This circuit presents a simple and low-cost DC-to-DC converter for phantom power supplies used in mixing consoles, microphone preamplifiers, telephone systems, and similar equipment. This project is available at Dual Axis solar tracker system. The system is implemented using Atmel IC AT89C51. The system employs spur gear for the implementation of the dual-axis solar tracker. The electronics would involve designing the sensor system that would generate commands for the gear system to act accordingly. The electrical part would be the working of solar panel and battery requirement. The mechanical part would involve designing a smooth gear system to move as per requirement. This system requires the involvement of a wide range of engineering including mechanical, electrical, and electronics. Generate Power Using Microturbine 1) Dual Axis Solar Power Tracker System Multi-Status Indicator Using Single RGB LED 33. Over/Under Voltage Protection of Electrical Appliances 31. Automated USB-controlled Power Switch 25. Four-channel Video and Audio Sequencer 24. Design and analysis of single-stage amplifier using C++ 23. Configurable RS232 to TTL to I2C Adapter 20. Signal Generator and Inverter Using NE555 Timers 19. Auto Power Switching Mains, Solar Inverter, or Generator 18. High-Impedance Audio Buffer With JFET 12. Joystick-Controlled Industrial Automation System 7. Electric Vehicle Battery Charging Solutions 4. A GBP of 1MHz suggests an ideal bandwidth of 1MHz at a gain of unity.1. Reading the datasheet, I understand the LM324N has a Gain Bandwidth Product (GBP) of 1MHz, which suggests to me that I should not expect significant attenuation of the signal at only 60kHz. At 1MHz, the output has an amplitude of 0.1V. However, at 60kHz the output signal is distorted (closely resembling a triangular wave form) and has an amplitude approximately 70% of the input signal. 10kHz), the output signal closely follows the input signal. The test circuit is soldered onto prototyping board with short traces.Īt low frequencies (e.g. Simulate this circuit – Schematic created using CircuitLabĪs a lab exercise, I am testing performance of the circuit at various input frequencies whilst maintaining a constant input voltage (2V sine wave). I am aware that better opamps exist, but this is for study purposes only. The split rail power supply +/- 4.5V is provided using AA batteries. I have an LM324N configured as a unity gain voltage follower.
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