The figure shows a circuit that shows how to control an optodiac to trigger a triac from the LM3914 gates. The circuit is from an Electronics Now issue from February 1998.
This circuit delivers at its output a voltage that proportional to the amplitude of the input...
This circuit can be used to listen for SSB signals on receivers that do not have the built-in...
We found this circuit in a 1970 General Electric manual. The circuit uses components that are...