

Topic Entry
- guitar pre amp using tl072
- simple fet mixer
- 10watt fm transmitter circuit
- convert TTL output sinewave
- 7812 voltage regulated power supply and the voltage on each component
- Build An Audio/RF Signal Tracer
- active frequency 3 way shematic
- cxa1538s mono
- 12VDC to 220VAC Inverter with 555 Timer
- ocl amplifier mosfet