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.
Short square pulses trigger this damped oscillator. The frequency of the damped oscillations is...
Based on common components, this circuit was found in an English publication. The circuit is...
This circuit is from a 1977 publication for radio amateurs presenting a crowbar protection. The...