Originally created to power an 80's RTTY printer, this circuit can be used in other applications. The circuit is from an Amateur radio of the time.
The first circuit, shown in the figure, generates a stepped signal whose frequency depends on the...
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...
The purpose of this circuit is to control the high and low light of a car, detecting when a...