Used with infrared remotes at the time, this circuit was found in a 1991 RE Experimenter Handbook. It may not work with the faster remotes control used today.
We found this circuit in factory documentation from the 70s. The operational amplifier is from...
This circuit is from a Radio Electronics from the 90's. The integrated circuit is from the time...
This circuit was found in an old American publication. It is valid for any operational. Formulas for...