This circuit was found in a Popular Electronics from the 90s. The circuit uses a general purpose JFET. The coils depend on the signal range that must be amplified.
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,...