This configuration can be applied to other operational amplifiers to increase the current capacity. The circuit is from the 80s. The transistors used are from that time.
The operational amplifier used in this circuit is no longer common on the market, as the circuit is...
This circuit of the 1970s uses Germanium transistors. Changes can be made to use silicon...
We found these circuits in a 90s Radio Electronics. In them, we have the way to turn a load on and...