Found in a General Electric documentation from 1970, this circuit consists of a relaxation oscillator that uses a transistor from that time.
This MOSFET amplifier operating in the VHF range was found in an old American telecommunications...
This circuit is from a Popular Electronics from 1993. The magazine is no longer printed, but the...
Found in a 1974 Ferranti transistor manual, this circuit drives a sensitive 12V relay in...