Indicated for stereophonic sound applications, this circuit was found in the April 1983 issue of Radio Electronics magazine. The indicated circuit is the NE570, launched at the time.
This circuit was originally designed for testing crystals used in color televisions, but it works...
This circuit was found in the February 1995 issue of Electronics Now magazine. It can double the...
The figure shows how to use an LM3914 with a variable range moving point. The circuit has an...