This circuit is an alternative to the previous circuit. We found it in the same article in the Radio Electronics magazine of March 1992. The integrated circuits are the LM3914.
The response curve of this circuit has a maximum boost of around 6 kHz. The vertical scale is in...
Found in an old Radio Electronics, this circuit is intended for the modulation of composite video...
This volume control by direct voltage makes it possible to use a remote potentiometer to control the...