This circuit is from old documentation, using a component that cannot be found easily today. The indicator is a galvanometer, and the input voltage is in the order of 1 V.
We find this vibrato configuration with transistors in a 1987 documentation. The components are still...
CHANDLER, Ariz., Aug. 11, 2016 — Microchip Technology Inc. (NASDAQ: MCHP), a leading provider of...
We found this test circuit in the November 1999 issue of Electronics Now magazine. The circuit is to be...