This configuration appears at several points in this section, obtained from different sources. This is from American documentation. The gain is 20 and the transistor can be a BC549.
This filter for scratched disc noise was found in an English documentation from 1989. The...
Mouser Electronics owns the Littelfuse SP3422 low-capacitance TVS diode arrays. These components are...
This two-tone decoder has a bandwidth of 24%. The circuit is from a 1994 Electronics Now. The...