Found in a 1964 Electronic Design, this circuit generates 1 A pulses with durations from 100 us to 10 ms. The circuit makes use of transistors of the time.
This version of the Pierce oscillator with the 2N3904 was found in the January 1994 issue of...
The traditional configuration of a non-inverting amplifier with the operational 741 shown in the...
This circuit is from a Radio Electronics from January 1958. The transistor is the CK722, and the...