Common-emitter amp
8 parts
The workhorse single-transistor amplifier: divider bias sets the operating point, and small base wiggles become big inverted collector swings.
- V1 200mV·1kHz
- C1 1µF
- R1 47kΩ
- R2 10kΩ
- Q1
- R3 2kΩ
- R4 470Ω
- V2 9V
8 parts
The workhorse single-transistor amplifier: divider bias sets the operating point, and small base wiggles become big inverted collector swings.