Thursday, September 12, 2019

The Knobless Wonder (simple SSB transceiver)

This rig breaks one of my slogans for hombrew gear: "Frequency agility is king". Still, especially if you've got a book to read between CQ calls, operating can be a fun. And you'll get a kick out of making contacts with a rig you built yourself. 

The Knobless Wonder is a single frequency crystal controlled SSB transceiver. The fortunate availability of 7 MHz band crystals means that you can do the SSB filtering on your operating frequency. This simplifies circuitry as there's fewer frequency conversions involved. And quite a few people around the world have built it. 

Interested? Visit my Knobless Wonder Page for more of a description, videos and links to others who have  built it. 

PS: Returning to amateur radio? Want to know how to pick up from where you left off? This top-selling book will get you up to speed. Available in electronic or paperback you can find out more here

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