Found in a 1965 General Electric datasheet, this low frequency circuit divides the frequency of a 20 kHz signal by 10, thus obtaining a 200 Hz signal.
This circuit was published in an English magazine from 1980. The magazine no longer exists, but...
This circuit was found in the February 1991 Radio Electronics magazine. The circuit must be...
This sequential circuit appears in other versions on this site. This is from American...