ARG008A Application Principle Reference

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ERASynthMicro: USB powered, portable, open source, RF signal generator, supports 12.5MHz - 6.4GHz

It can be powered via a USB port and has an LCD interface for standalone use without a PC. ERASynth Micro uses a dual-loop PLL architecture to provide fast frequency switching and fine tuning resolution. Frequency, amplitude and pulse modulation capabilities are also available.

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Reverse Engineering and Repair of LeCroy High Frequency Active Probe HFP2500

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Class D Audio Amplifier Reference Design

The 1000W Class D Audio Amplifier Reference Design provides examples of audio amplifiers and push-pull power converters. It runs using the KV1x Tower® Series platform or the k64 Freedom board.​

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Laser projector project made by teacher ChaN

2018 Electronic Competition Question A-Current Signal Detection Device (Tianjin)

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2018 Electronic Competition Question A-Current Signal Detection Device (Hangzhou University of Electronic Science and Technology)

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2018 Electronic Competition Question A-Current Signal Detection Device (Sichuan University of Electronic Science and Technology)

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2018 Electronic Competition Question A-Current Signal Detection Device (Qingdao University of Technology)

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2018 Electronic Competition Question A-Current Signal Detection Device (Dalian University of Technology)

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2019 Electronic Competition Question D-Simple Circuit Characteristics Test-Design Plan and Report (National Secondary School, Changzhou University)

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2019 Electronic Competition Question D - Simple Circuit Characteristics Test - Design Plan and Report (National First, Nanjing University of Science and Technology)

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2019 Electronic Competition Question D-Simple Circuit Characteristics Test-Design Plan and Report (National One, Nanjing University)

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2020 E-Contest Question E-Amplifier Nonlinear Distortion Research Device (Dalian University of Technology)

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2020 Electrical Contest Question E-Amplifier Nonlinear Distortion Research Device (Nanjing University)

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Woof Meter: Measure the TS parameters of the subwoofer

Woof Meter is used to test subwoofer speakers. It contains a low-frequency preamplifier, a precision full-wave rectifier and a DC filter.

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drawdio: musical pen, different rhythms when touched

This version of Drawdio originates from a version carried out by Jorge Frutos (@JorFru) at UC3Music (@UC3Music), another design practice for first-year students of the Advanced Degree Training Cycle in Electronic Maintenance at IES Virgen de las Nieves has become Granada Scientific Part of the Garden Play exhibition.​

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100w stereo amplifier board DIY TDA2030 IC with transistor

This is a 100w stereo amplifier board. This project can easily play two 50w speakers.

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100w mono audio amplifier board DIY 2SC5200

This is a 100w mono audio amplifier board. This project can easily play speakers up to 100w. I used two 2SC5200 transistors and a 30-0-30 transformer in this project

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3-Phase Multilevel Inverter Using MOSFETs

This reference design provides design guidance, data, and other content for a 3-phase multilevel inverter with 5-level output. It uses 150V MOSFET to drive AC 200V motor.

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