This transmitter modulator amplifier for the 11-meter band (CB) was published in Radio Electronics magazine in November 1961. The circuit is for use in a car transmitter.
This circuit trips when a negative pulse is applied to its input or when the voltage drops below a...
This is an old 1988 circuit consisting of a timer or time control for exposing silk-screen arrays. The...
This circuit was taken from an old American documentation. It can be built with modern op amps. The...