This FM receiver tuning step circuit was found in a 1960 documentation. No information about the coils is given, but the FI used at the time was 10.8 MHz.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit is from a 1995 documentation. Several CMOS integrated circuits are used to produce...
This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a...