The purpose of this circuit is to measure the intensity of audio signals. We found it in the September 1990 issue of Radio Electronics magazine. The circuit works as a S meter.
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...
Found in a Popular Electronics from the 9s, this circuit has output for RS-232 interfaces and current...
This circuit is from a 2005 Linear Technology LT6100 Application Note. The circuit provides a...