This is the power supply circuit for the amplifier in the previous circuit. The source is adjustable and uses power transistors of the time. The AC transistor must be mounted on a heat sink.
We found this circuit in a publication on operational amplifiers from 1978. The circuit is made...
This circuit was found in a Philips documentation from 1970. The components are of the time,...
Found in a 1967 documentation this circuit can be applied to any operational amplifier. Components...