In the figure we have the typical circuit of a stereo decoder using the TBA450N integrated circuit. The circuit is from the 1976 Siemens manual. No information was given on the coils.
Found in an old neon lamp applications manual, this circuit directly triggers an SCR. R and C...
This 20 MHz bandwidth circuit was suggested by the National Semiconductor in 1970 documentation. Modern...
This circuit cuts out ads between songs, based on the fact that the speech signal has small...