We found this circuit in a 2002 documentation. This die shows numbers 1 to 6 on a common anode display when the switches S1 and S2 are pressed. The circuit can be powered by voltages from 5 to 12 V.
This circuit is from the 1977 RCA Linear Integrated Circuits Manual. The circuit has a...
This circuit was found in 1980's Radio Electronics. The circuit produces a 1500 Hz modulate 35 kHz....
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...