Using the CMOS IC 4046 we found this VCO in the November 1984 Radio Electronics magazine. The center frequency is given by the capacitor. The maximum frequency is around a few megahertz.
This power supply was specifically designed for the CB18749E transmitter, but it is suitable for...
This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has...
Designed to operate with a video camera, this small transmitter was found in the February 1993...