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From: John Woodgate
Subject: Re: How does a mixer work?
Date: Wed, 23 Oct 2002 16:30:33 +0100
Organization: JMWA Electronics Consultancy
Reply-To: John Woodgate
NNTP-Posting-Date: Wed, 23 Oct 2002 17:42:24 +0000 (UTC)
X-Newsreader: Turnpike (32) Version 4.01 <5Z8C9wtxbnpWyFnyfFzqmVF739>
I read in sci.electronics.design that James Meyer
wrote (in ) about 'How does a mixer work?', on Wed, 23 Oct 2002:
> Many (I hesitate to say "most") SSB transmitters generate SSB by using a
>balanced modulator to (almost) completely remove the carrier and then a filter
>to remove one of the sidebands. There is no ( well perhaps -80 dB) carrier
Well, it wouldn't be easy to recover that. But WHY go for such an
extreme suppression? 20 dB carrier suppression takes up 1 W of a 100 W
transmitter. How much more range do you get with 100 W than 99W? And a
carrier at -20 dB can quite practicably be recovered.
Put half a brick on one side of your DBM to unbalance it a bit.(;-)
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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