Thanks Gian. It might be of interest to people in Europe who homebrew as well as buy rigs that contrary to popular wisdom and based on 'on air' use, the high IMDDR3 at 1 kHz spacing of Martein's front end and roofing filter is worth having when working SSB DX zero beat with or among the 40m BC stations. To date AM BC transmitter phase noise does not appear to be a limiting factor, their modulation can be sometimes.

73,
Geoff
GM4ESD

Giancarlo Moda wrote on Sunday, April 13, 2008 9:16 PM

for those of you interested on high performance analog
front-end I have the pleasure to inform that Martein,
PA3AKE, has just updated his website.
<snip>

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