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.
The astable multivibrator shown by the figure can produce signals in the 10 to 10 000 Hz band...
August 2016 - Mouser Electronics is supplying the microcontrollers IF C1000 Intel Quark that...
We found this circuit in a Popular Electronics of the 90s. Its purpose is to detect when it locks...