Found in a 1965 Electronic Design the purpose of this circuit is to control the gain of a stage by applying an external voltage. The circuit operates at high voltages.
We found this basic oscillator configuration with two operational in Motorola's 1978...
We found this circuit in a 1983 English magazine, but it can be easily assembled today, as all...
This circuit was obtained in a General Electric documentation from the 80's, and can be used as a...