This timer, like the previous circuits, uses a currently uncommon integrated circuit. The time is given by capacitor C1 and R2 which has the range of values indicated in the diagram.
This circuit is from a 70s linear integrated manual. The integrated circuit used is uncommon today...
This remote-control circuit was found in Radio Electronics magazine from June 1962. It drives a...
The output of this circuit can be coupled to a radio control transmitter to perform a...