This circuit is from a documentation from the 70s. The circuit uses logic gates of the time, which in many cases were arrays of transistors allowing use as audio amplifiers, as in this case.
With this circuit it is possible to divide the frequency of a rectangular signal by values between 2...
This circuit was obtained from the Encyclopedia of Electronic Circuits volume 5 of 1995. The...
This circuit can supply output voltages from 50 to 250 V from an input voltage of 300 V. The...