We found this circuit in a Radio Electronics magazine from June 1992. The circuit has a power stage and is used with 4.5 MHz video TV signals.
This circuit is from an Electronic Design from the 90's. The main integrated circuit is uncommon...
This circuit is from an Electronics Now from August 1995. The triac is according to the load that...
This timer activates a relay after a time interval of up to 15 minutes has elapsed, starting from...