This circuit is from an article in Radio Electronics magazine from October 1958. The circuit is for testing electrolytics that operate at high voltages depending on the source.
This 2 meter (144 MHz) preamplifier is intended for use with portable transceivers. The...
This circuit was found in a 1970s RCA publication. Transistors support modern equivalent types....
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...