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Monday, January 26, 2009

Minimalist Radio: The ET-1 and the FETer

SPRAT # 137 (Winter 2008-2009) has a number of great articles on minimalist radio -- very simple rigs with low parts counts. Roger G3XBM has a very nice re-make of the ET-1, first introduced by Glen Yingling W2UW in SPRAT 108. I remembered Glen's article -- I always wanted to try it. The ET-1 has just one active device: an MPF-102 FET. And it is a transceiver.
The schematic of the ET-1 appears above. I started building mine yesterday. Got the receiver done and --- WOW! -- heard some 80 meter signals this morning. More to follow...

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Designer: Douglas Bowman | Dimodifikasi oleh Abdul Munir Original Posting Rounders 3 Column