Using a BA1404 integrated circuit this small FM stereo transmitter was found in a Radio Electronics magazine from October 1989. The coils are indicated.
Found in a RCA manual from the 1960s, this circuit uses components from that time. It can generate...
We found this circuit in Ferranti's 1974 transistor manual. The components are from the period. Note...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...