For a VAS with pnp CFP, should I use a combination of BD139/BD140 or better BD139/BC560 since the BC560 has higher gain and carries little current?
How to determine the resistor value ?
Is it possible to use a diode instead of the resistor? Seems to work in simulation.
How to determine the resistor value ?
Is it possible to use a diode instead of the resistor? Seems to work in simulation.