The circuit shown is from National Semiconductor, having been found in the 1994 Linear Application Handbook. Rt and Ct determine the output frequency.
This S-meter or signal strength meter, was originally designed for the 80's Regency receiver, but can...
Motors of up to 3 or 4 A can be controlled with this PWM circuit. The circuit can be used with 5 to...
With the use of a cascade transistor, the dynamic response of a phototransistor can be increased, as...