This circuit for a 16-channel infrared transmitter was found in the August 1984 issue of Radio Electronics magazine. The circuit is powered by a 9 V battery.
The component used, which is not common today, is an electronic attenuator. In this application of the...
Found in Analog Devices documentation, this circuit uses components from the time. Formulas for...
This circuit was found in a Radio Electronics magazine from October 1987. It can be used as a...