This circuit was found in the April 1973 issue of Radio Electronics magazine. Using TTL technology, it was recommended for vehicles of the time. The circuit was connected to the contact breaker.
The regulation of high voltages through common semiconductor circuits, such as integrated circuits and...
The LM2904 is not very common today, but common comparators and operationals can be used in the...
This amplifier circuit was found in a Radio Electronics from April 1959. The circuit needs only 20 mV...