Working with the previous circuits, this circuit resets after 1 second. The circuit is from Radio Electronics magazine, August 1984. The time can be changed.
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...