The integrated circuit used in this application is uncommon, but equivalent operational ones can be used. The circuit is from the Signetics integrated circuits manual from 1972.
circuit is used to increase the sensivity of a relay. A 50 to 100 mA relay can be triggered with...
The configuration shown makes use of a simple source and the gain is given by the relationship between R3...
This blinker consists of a simple multivibrator and instead of the lamp, an LED and a 470 ohms...