This electronic ignition for cars of the time was found in the Radio Electronics magazine of May 1976. The circuit uses power transistors that must be mounted on heat sinks.
Found in a Raytheon circuit manual from the 1960s, this circuit uses the CK722 and a...
With this circuit it is possible to measure RF signals with a common multimeter. Signals up to 200...
This circuit was found in a 1967 US publication. In it we have the implementation of a ring...