These circuits were obtained in an Electronics Now from the 90s. The integrated circuits are from that time and the power can be between 1.5 and 2 V.
This circuit is from a publication from the 50's. Inductive components are critical, and...
This simple two-transistor circuit used transistors from the 60s, having been found in a...
This circuit uses an oscillator that generates a signal of approximately 1450 kHz to test...