Preamplifier Circuits

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New Circuits

 
Popular Circuits

Transformerless PSU
Lamp Timer
Digital LCD thermometer ( PIC16F871 )
6.9 GigaHertz Chrono PC-based
Battery Indicator
Automatic Light Controller Using 7806
3V to 40 Volt DC Converter Circuit
1 Second Time Base From Crystal Oscillator
mains voltage monitor
6V Ultra-Bright LED Chasers
Fluorescent lamp driver circuit composed of FET
Op-Amp Microphone Preamp
Household voice recording circuit
Simple AC short circuit protection



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