This circuit was found in a Signetics documentation from the 1980s. The integrated is a PLL and the SCR is a general purpose type The pitch frequency is given by R1 and C1 as formula next to the diagram.
The circuit presented is from the 1977’s Linear Integrated Circuits and MOSFETs from RCA. The...
Mouser Electronics counts on its stock with the new TAS6424-Q1 amplifiers from Texas Instruments....
We found this simple gain-50 current sensing circuit in a 2005 Linear Technology publication. The circuit...