This circuit allows you to vary the duty cycle without changing the frequency. An interesting application for PWM controls. The circuit is from a Radio Electronics magazine from July 1985.
We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a...
The circuit presented may use any general purpose transistor. The indicator is an LED and...
This unusual audio amplifier configuration was obtained in a 1974 documentation. The PNP...