This circuit generates signals in four frequency bands with the threshold values indicated in the diagram. The circuit was found in the March 1996 issue of Electronics Now magazine.
The purpose of this circuit is to 'produce a beam of infrared rays modulated at a frequency that...
The circuit shown is intended for cable testing, providing status indication via LEDs. The number of...
This '90s circuit found in National Semiconductor documentation uses components from the time. |...