Using a 4046 PLL we found this circuit in the December 1989 issue of Radio Electronics magazine. The circuit operates at 220kHz, but this frequency can be changed by changing C3.
Suitable for the use with sensors, this circuit from National Semiconductor appears in other...
This circuit can measure audio output power up to 50 W. The circuit is wired to the output of an...
This regulated power supply can provide currents up to 1 A to a load. The transformer may actually have...