Amplifier bias point
6 parts
No signal, no scope — just the question every amplifier starts with: where does the transistor actually sit? Divider bias sets the base, the emitter resistor fixes the current, and the collector should land near mid-rail so the stage can swing both ways.
- V1 9V
- R1 47kΩ
- R2 10kΩ
- Q1
- R3 2.2kΩ
- R4 470Ω