This ultrasonic digital remote-control transmitter was found in the January 1976 issue of Radio Electronics magazine. The components are from the period. The IC is from the period.
We found this decoder in a 1966 General Electric publication. It makes use of general purpose...
Another alternate action switch that uses a NAND Schmitt Gate [4093 IC] is shown here. The...
This filter operates in the “opposite” way to the previous one (CIR8814), cutting all signals...