Full-color and/or full-resolution graphics from the pages of QRP Homebrewer

QHB #3 -- Spring 2000

 

The "NoGaWatt" North Georgia QRP Club SWR-Wattmeter, by Mike Branca, W3IRZ

Simple circuit board with pads for soldering components on copper side


Schematic of the NoGaWaTT "directional Coupler" 
(Meters are 200ua, and toroid cores are FT37-43)


Parts layout


Inside the enclosure shows horizontal orientation of components (for height reasons) and direct wiring to the BNCs. Be careful of the exposed transmission line in thebox! Note the simple holes for meters, epoxied to the front cover plate.

 

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Last Modified:  August 8, 2001