Schematic Power Amplifier and Layout

Tape – Radio – Mic – audio input Amplifier circuit using KA2220 Tape – Radio – Mic Audio input Amplifier circuit using KA2220

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 […]

Mini Audio amp circuit using MC34119

Electronic Circuit Diagram TV Memory program Using AT24C0, 24C02N

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 […]

Simple Flasher Circuit Using Relay, 40104, 45104, 74C14, 2N7000