Self-bias phase inverter or cathode follower

A self-biased stage you compute in 3 ways:

  • either as self-bias phase inverter (Ra ~ Rk)
  • or as a cathode follower (Ra = 0)
  • and if you null Rk, you end up with the normal basic amplifier stage


Select T1 type
V supply
Ω anode output resistor
Ω bias resistor
Ω cathode output resistor