The circuit is from the MC1539 manual, an operational one close to the 741. The transistor admits equivalent and must be mounted in a good heat sink.
This circuit uses the first commercial Darlington transistor, the 2N626. We found it in Radio...
We found this circuit in the Radio Electronics Handbook magazine special edition of 1992. The...
This circuit is from Mallory 1968 documentation. The circuit makes use of period components and...