This adjustable frequency circuit was found in December 1986, Radio Electronics magazine. The base frequency is given by C1 and the power supply must be 5 V.
This 15 V regulator uses the integrated 100 mA L series. The circuit was suggested by Motorola's Linear...
S-meter is a signal strength meter used in radio transmission. Also known as Strength meter, in this...
This circuit was found in the December 1991 issue of Radio Electronics magazine. The circuit is...