This tone control was obtained in a Signetics documentation of the 90s. The integrated circuit can be practically any operational amplifier. The power supply is symmetrical.
This circuit was found in Radio Electronics magazine from October 1966. It consists of a rhythmic...
CHANDLER, Ariz., LABEGE, France - Oct. 26, 2016 – Microchip Technology Inc. (NASDAQ: MCHP), a...
This circuit can be used as an input shield by removing the signal directly from the second port,...