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Hi,
I'm considering making a class E amplifier for single-sideband output, but from what I understand, modulating the plate voltage produces double-sideband. I'd like to avoid that if I can. I'm thinking of taking regular audio, digitally processing it into single-sideband using a soundcard, and then digitizing that to 8-bits. I'd then create 8 class E amplifiers that put out 1/8w, 1/4w, 1/2w, 1w, 2w, 4w, 8w, and 16 watt outputs for the same signal; modulating each one as CW in accordance with the audio bit. I'd combine the outputs through a power combiner. Questions: 1) Would this scheme be possible for creating SSB by parallel switching of CW amplifiers in accordance with a digitized audio signal? 2) Would I need to create assymetrical power combiners to combine the amplitudes of the different signals, or could I get away with simply making a symmetrical 8-way combiner. Thanks in advance, The Eternal Squire --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.543 / Virus Database: 337 - Release Date: 11/21/03 |
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