Re: [softrock40] Re: Hello! - and - Yet another Software Q...
- I am running 2.4.4 and have unsupported card selected. On the primary audio tab, under Mic In Gain and to the right of output voltage, I see "IQ Samples C." Mousing over shows "IQ Samples Correction"
John - ke5sshOn 2/2/2013 5:00 PM, noydbnoydbnoydb wrote:
Expert mode on the Audio tab dos not bring up a "IQ Samples Correction" box, only a "Latency ms" box (which has no apparent effect on image reject).
Expert mode on the General Tab dos bring up a "Clock Offset" box, but it has no effect, and appears to be only for the Flex DDS.
(sorry, for some reason I hit the "reply" button, and yahoo seems to start a new topic. grrrr.....)
--- In email@example.com, John Williams wrote:
> Click expert mode?
> On Feb 2, 2013 12:47 PM, "noydbnoydbnoydb"
> > **
> > PDSR 2.4 works, has a nice tunable filter.
> > The downside - it seems to have lost the "IQ Samples Correction" on the
> > Audio Setup tab.
> > Unfortunately, this wrecks my image rejection - "Calibraton" doesn't help
> > much, and I get the Dance-of-the-Images :(
> > PDSR 1.19 has "IQ Samples Correction", where I set it to +1, at which
> > point all images all bands are -50 dB or better. Very nice clean display,
> > both on the air, or driven from my signal generator.
> > Am I missing something for PDSR 2.4.4? Is there a way that I am not seeing
> > to get the Sample Correction?
> > Note - I am using the cheapest 24 bit sound card I could find - not
> > because I can't afford the recommended cards, but because I learn more
> > about SDR this way....
> > --- In firstname.lastname@example.org, "R. R. (Robby) Robson" wrote:
> > >
> > > Check out PSDR 2.4 for Homebrew SDR
> > > http://www.flex-radio.com/
> > > and
> > >
> > http://code.google.com/p/powersdr-iq/downloads/detail?name=PowerSDRv2.4.4_for_Homemade_Rigs.zip
-- John Williams KE5SSH - ham since 2007 WQKA523 - GMRS for family use on the farm