This simple injector circuit can actually be powered by voltages from 3 to 9 V. The frequency is given by C1 which can be between 4.7 and 10 nF. The CMOS can also be 4011.
Suggested by an Electronic Engineering of the 90s, this circuit serves to test the continuity of...
This circuit is part of an article published in the February 1994 Electronics Now magazine. The...
This circuit was obtained from ancient American documentation. The circuit combines a JFET with a...