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 circuit incorporates the passive control of the previous circuit and was also found in the...
This circuit was found in RCA and General Electric documentation from the 1980s. The circuit has...
We found this circuit with an operational transconductance amplifier in the Motorola Linear...