This 80's circuitry decodes stereo signals used in analog TV at the time. The circuit can be used with VCRs to retrieve signals for passage on other media. The power supply is 12 V.
This circuit reverses the signal if both positive and negative. We found it in an American...
This circuit appears elsewhere on this site, but from different sources. Using the LM3900, we find this...
Found in an American 1980s documentation, this circuit generates frequencies in the range...