This circuit was found in the August 1996 Electronics Now magazine. The circuit is based on an operational circuit whose type determines the gains and limits for the frequency.
The transistors in this 80's documentation project may be BC548, the most modern equivalents of...
This source was originally suggested by Delco in a 1969 documentation to power amplifiers up to 50 W. The...
May 2017 - The new series of new polymer conductive capacitors from Panasonic OS-COM is already in...