This equalizer was found in the May 1978 issue of Radio Electronics magazine. The component values for the equalization networks are given next to the diagram.
This circuit for frequencies of 20 to 2 kHz was obtained in English documentation from 1966. The...
Indicated for adjustment in transmitters for the 11-meter band, this circuit with analog meter was...
The circuit shown uses the LM340 but applies to other regulators. We found this setting in...