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 small auxiliary amplifier was found in a Radio Electronics from May 1958. Power is supplied with...
This traditional triplier configuration with the 555 can be found in other articles on the...
Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics...