This circuit was found in the February 1994 issue of Electronics Now magazine. The circuit uses 6 and 12 V regulators that must be equipped with heat sinks. The current is 1A (max).
This filter was found in documentation from the 90s. The cutoff frequency is 2900 Hz. Changes can be...
This circuit generates frequencies determined by R3 and C1. We found it in the Radio Electronics magazine...
Found in the July 1994 Electronics Now magazine, this circuit drives a relay up to 12 V depending on...