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Preamps Microphone Mixer circuit

Preamps Microphone Mixer circuit Choosing a good power amplifier is very easy but to choose the perfect microphone preamps is not easy, because the adjustment of sound pressure level (SPL) with volt level (dBu). Matching microphones and preamplifiers requires proper research and measurement, so to do this does not depend on your budget – but […]

Making Audio with AN7116 Schematic audio amplifier

Making Audio with AN7116 Schematic audio amplifier

Air Conditioning Compressor controller wiring Diagram

Air Conditioning Compressor controller wiring Diagram using relay

Transistors Circuits

Transistors Circuits Transistors Circuits for Guitar Amp 100watt using BD139, MJ11016, MJ11015 Transistors amplifiers R1__________________ 6K8 1W R2,R4_____________       470R 1/4W R3__________________ 2K 1/2W R5,R6_______________ 4K7 1/2W R7________________     220R 1/2W R8__________________ 2K2 1/2W R9_________________     50K 1/2W R10________________      68K 1/4W R11,R12______________   R47 4W C1,C2,C4,C5________         47?F 63V C3________________        100?F 25V C6_________________       33pF 63V C7_______________           1000?F 50V C8_______________          2200?F […]

Wifi Sniffer circuit

simple Wifi Sniffer circuit using 1N3491, BFS17

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