Found in an 1868 Mullard documentation this circuit has a dynamic range of 10 Hz to 25,000 Hz. Modern equivalent transistors can be used.
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...
February 25, 2015 - Mouser Electronics, Inc. today announced their new Robotics Technology site....
The circuit presented was found in the ON Semiconductor manual. In it we have a way to protect the...