This circuit is from a 1967 RCA publication. The components are of the time, admitting equivalents, including the SCR that determines the maximum power of the load.
This is a common crystal oscillator configuration with 80s transistors. The circuit has the...
We found this circuit in an old American operational Amp. documentation. The circuit applies to...
The circuit shown is a constant current source which allows the reading of resistors on a very low...