LA3ZA Radio and Electronics

Transceivers with a power supply of 1 and 2 Volts, how much can one achieve with that? Well, actually quite a lot according to DL2AVH, Hel...

Output stage of the 1 Volt DL2AVH transmitter (from http://www.lichtnetzwerk.de/1volttxvr_dkumentation.pdf ) I am intrigued by minimali...

I've had a lot of fun with the modified WBR (Wheatstone Bridge Regenerative) receiver which I built Manhattan-style some years ago. Th...

QRPp is radio amateur jargon for communication using a transmitter with less than 1 Watt power output. That’s less than a handheld GSM mobil...

What is the cheapest receiver you can make for VHF? Here is a candidate where all you need to do to modify a small FM headphone receiver is ...

From Wikipedia Commons, author 'Samba pa ti' The LM386 must be one of the most popular audio output amplifiers among radio amat...