This digital circuit is from a Radio Electronics magazine from December 1991. It does not use a microcontroller, but rather discrete digital circuits of the time.
This circuit is the transmitter for the previous project and also for what will come next. It is a...
This circuit was suggested by General Electric in 1969 documentation. It provides a maximum output of...
Found in an English documentation, this circuit provides a 50 Hz signal according to the local...