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AD8303-based board for Maxwell: (maxwell_notes#7)

Generates audio signal on output.

Design and board from:

http://f6bon.albert.free.fr/Milliwattmetre.html

with variable resistor replaced with 1K

see also: http://www.analog.com/en/prod/0,,770_847_AD8313,00.html

http://www.wireless-homebrew.com/wireless/LED-rf-pics.html

for antenna:

http://www.educypedia.be/electronics/antennawifitypes.htm