Schematic Power Amplifier and Layout

Ultra-sonic sound processing with schema electronic audio Parts List SEMICONDUCTORS —————————————————- IC1 567 phase-locked loop, integrated circuit U1 LM386 audio power amplifier, ic Q1, Q2 2N391M NPN transistor Q3 MPF102 JFET transistor RESISTORS (All fixed resistors are 1/4 watt, 5% units.) —————————————————- R1, R2 220,000 ohm R3-R6 2,200 ohm R7 1,000 ohm RS, R14 270 […]

Adding a Subwoofer – Building a regulator Active Loudspeaker ….. The Lux Kit also works with circuit boards, but the advantage of the Lux Kit is that ….. This Owner’s and Service Manual contains all schematic diagrams and values regulator Active subwoofer lets you enjoy incredible sound quality for your HiFi system or Home Theater […]

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 […]

Metal Detector Electronic Circuit using IC CS209A – LF347N

differential amplifier using LA4275

Electronic Timer Switch Circuit using CD4060B, 2SC2002, 1N4148