Found in a 1964 Electronic Design, this circuit makes use of period components. The components are from the time, and modern equivalents can be used.
Using this circuit a low current switch can be used in the control of heavy duty loads, powered...
This circuit can handle 25 A unde a 32 V voltage using a hight power old transistor. This...
This circuit is suitable for applications such as a TTL log digital link. Maximum frequency is...