

Topic Entry
- Preampli a 2transistor pnp?
- 150w power amp circuit diagrams
- Radio tuning PLL frequency synthesizer scheme
- tda7000 pcb
- 7812 voltage regulated power supply and the voltage on each component
- 2 stage transistor mic preamp
- 20a pwm motor controller 555 schematic
- 300watts stereo amplifier using transisters
- 2SC1947 FM AMPLIFIER SCHEMATIC
- 12v to 5v 5a converter circuit