This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio Electronics magazine from February 1989.
This VCO circuit was obtained in the 1972 RCA linear circuits manual. The integrated comparator is CMOS and...
This circuit was found in documentation from the 1980s. The circuit can be implemented with other...
This circuit transmits signals to an FM receiver placed at a distance of up to 200 m. The antenna...