

Topic Entry
- 7812 voltage regulated power supply and the voltage on each component
- current booster
- Power supply 2N3055
- amplifier circuit 3055
- digital system using 7segment decoder
- Radio tuning PLL frequency synthesizer scheme
- circuit diagram of dynamic microphone preamplifier
- schematic with solid state relay installed
- 300watts stereo amplifier using transisters
- cxa1538s mono