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Re: [Discuss-gnuradio] working (in theory) phasing SSB modulator

From: Thomas Traber
Subject: Re: [Discuss-gnuradio] working (in theory) phasing SSB modulator
Date: Fri, 18 Feb 2005 22:53:30 +0100
User-agent: Mutt/


> [...] looks more intensive than the
> weaver method for now. 

I don't own a USRP (yet).
Isn't it possible just to output the
complex signal at [combine1] to the USRP
and to IQ upconversion in the front end?

>                                          +---\   /----+
>                   (float)     (complex)  |    \ /     |        (complex)
> [src]-->[bandfilter]-->[hilbert]-->[split1]    X     [combine1]---->
>                   (af)        (af)       |    / \     |        (af)
>                                          +---/   \----+

O.K. for generation of short wave
signals you don't need any front end at
all, when you do upconversion in


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