This circuit with TTL output was found in a 1968 EEE. The transistor can be of general use. The tunnel diode is an uncommon component today.
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...