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Posts tagged Fm

Radio fm digital

Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 R1 47K R2 22K R3 100K R4 39K R5 10 R6,12 7,5K – Optionally R13-r21 15K – Optionally P1 10K Logarithmic potentiometer P2 100K Linear potentiometer C1 39pF Ceramic C2 47pF Ceramic C3 2,2nF Polyester […]

Infrared Motion Detector schema diagram

Infrared Motion Detector electronic circuit schematic diagram Using TR 2N2222, SY32PT    

Touch Switch Circuit Diagram using IC TTL

Touch Switch Circuit Diagram using IC TTL 74HCT74, ZVNL110

Overload Indicator and overvoltage protection schematic

Overload Indicator and overvoltage protection schematic

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 […]

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