This converter for WWV time reference station signals was found at Popular Electronics. The 15 MHz signals are now received on a medium wave radio at 1 MHz.
This circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is based...
The circuit illustrated in Figure allows external loads (8) to be driven from parallel port...
The sensor of this circuit is a thermistor of the same value as the adjustment circuit formed by...