We found this code switch circuit in the January 1999 Electronics Now magazine. Some of the components are integrated circuits from that era.
This circuit generates an FM signal of 4.7 or 10.7 MHz for audio signals on analog TV or FM, with...
This circuit was found in the SGS manual of linear integrated circuits of 1982. The CMRR depends on...
This amplifier is powered by a 9 V source. We found the circuit in a 1964 documentation. The...