This circuit is from a 1967 US publication. The configuration can serve as a basis for designs with modern components.
In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency...
This circuit is from Motorola's 1990 Linear Databook. The transistors allow equivalents and the...
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...