This circuit was obtained in a 1967 Electronics World. The components are still common today, the SCRs can be replaced by equivalents and the unijunction transistors the 2N2646.
This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has...
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...
The purpose of the circuit of the figure is to control a servomotor remotely using a simple signal...