Crystal radios may be the simplest kind to make, but regenerative receivers are more practical and only a little more complicated. A recent design by [Selenium] is super simple because it uses a ...
The $50 Tecsun PL-360 AM/FM/SW receiver has been out for a while and is considered by the short wave listener (SWL) community as a pretty fair receiver for the size – beating out several other recent ...
This is a Preselector for SW receivers (diy hf preselector) circuit. The entry low capacitance of MOSFET modern, with two gates, will create negative inverse reaction through a uncoupled source ...
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