Found in old documentation, this circuit makes use of amplifiers of the time, uncommon today. Next to the diagram, the formula for calculating the components.
Found in American documentation from the 1980s, this circuit shows how to use an LM3909 pulsator in a...
Found in Ferranrti's 1974 transistor manual, this circuit uses general-purpose transistors from...
To power circuits with operational and TTL signals, the Radio Electronics magazine of March 1978...