Gain stage and DC-coupled cathode follower

Circuit #4

Two triodes set as a gain stage (T1) which output is DC-coupled to a cathode follower (T2).

A too low value of Rk2 may prevent T2 to converge.


V supply
Select T1 type
Ω anode output resistor
Ω cathode bias resistor
Select T2 type
Ω cathode output resistor