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Re: Soundcard problems

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  • k4fxn
    Thanks for your explanation. I understand a little more about how these things work now. Dan K4FXN
    Message 1 of 5 , Jan 31, 2013
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      Thanks for your explanation. I understand a little more about how these things work now.

      Dan K4FXN

      --- In GenesisRadio@yahoogroups.com, "Bruce KF1Z" wrote:
      >
      > Oh,
      >
      > well, yes, that makes sense then...
      >
      > The audio was being sent directly from the software to the soundcard, but not as I/Q
      >
      > So yes, the frequency would have been at "0" ( losc ) because the software shifts the audio frequency
      > to correspond with the VFOa frequency
      >
      >
      > Glad you figured it out
      >
      > Bruce
      >
      >
      > From: k4fxn
      > Sent: Thursday, January 31, 2013 4:55 PM
      > To: GenesisRadio@yahoogroups.com
      > Subject: [GenesisRadio] Re: Soundcard problems
      >
      >
      > Bruce,
      >
      > TX Shift was not on and the IQ wasn't swapped, but you headed me in the right direction!
      > The Sound Output in the JT65A software was set to SoundMAX and it should have been set to VAC.
      > I still don't understand why I was transmitting on the LO freq but it's fixed!
      >
      > Thanks,
      > Dan
      >
      > --- In mailto:GenesisRadio%40yahoogroups.com, "Bruce KF1Z" wrote:
      > >
      > > Is TX IF shift on?
      > >
      > > I bet it is...
      > >
      > > Thus, the LO frequency MOVES ( "shifts" ) on TX.
      > >
      > > I bet if you go into soundcard setup and check, or un-check , "Swap TX IQ"
      > >
      > > Things will be right again.
      > >
      > > >
      > >
      > >
      > >
      > > From: k4fxn
      > > Sent: Thursday, January 31, 2013 4:25 PM
      > > To: mailto:GenesisRadio%40yahoogroups.com
      > > Subject: [GenesisRadio] Soundcard problems
      > >
      > >
      > > I have something happening that is really strange!
      > >
      > > Everything was working good until I had a problem with my E-MU 0202 so I though I would try using my internal sound card. Reception is fine!
      > >
      > > I am having a problem transmitting on JT65A. Here is the setup:
      > > G-11 Multi-Band
      > > Dell GX745 P4D Windows XP Pro SP3
      > > SoundMAX ADI internal sound card
      > > GSDR with latest (1/28/2013) update
      > > 20M 14076.00 USB 2.4K filter LO is on 14090.00
      > >
      > > When I transmit I hear my JT65A signal on 14090 (LO freq) according to my FT-1000D and there is no signal around 14076! Moving the LO frequency to 14070 changes the transmit frequency to the new LO frequency. I turned off JT-65A and the frequency is till wrong. I then changed the mode to CW and I am transmitting on 14076, the correct frequency.
      > >
      > > I have checked everything I know including rolling back the audio drivers and GSDR. I disabled CAT and used manual tuning.
      > >
      > > Any ideas?
      > >
      >
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