This circuit was found in a 70s American documentation. The operational amplifier supports a modern equivalent. The characteristics are given next to the diagram.
This circuit is suitable for testing motor starting capacitors. Capacitors from 2 to 8 uF are...
This circuit was found in Motorola documentation from 1968. The transistors are from the company,...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...