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81Re: New version question

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  • w7rjc
    Nov 2, 2008
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      --- In powersdr-iq@yahoogroups.com, "Christos Nikolaou" <sv1eia@...>
      wrote:

      >Hi Christos .. Thanks for looking into the "click" problem .. Let
      me know if I can be of any help. Ray W7RJC

      > Ray,
      >
      > This is the second report that I get for clicks on HSUSB.
      > I'm sure its not the interface, but it has to be something I did
      (or
      > not did) in the program and the HSUSB device driver.
      > Clicks should happen when you jump in frequency for more than
      2000ppm
      > as per SiLabs datasheet because the Si570 has to retune and will
      stop
      > for about 20ms. If you change frequency for less than 2000ppm then
      it
      > should not do a retune.
      > Clicks are more evident in higher frequencies and not evident
      below 40m.
      >
      > I will look into it.
      >
      >
      > 73,
      > Christos SV1EIA
      >
      >
      >
      > --- In powersdr-iq@yahoogroups.com, "w7rjc" <w7rjc@> wrote:
      > >
      > > --- In powersdr-iq@yahoogroups.com, "Christos Nikolaou"
      <sv1eia@>
      > > wrote:
      > > Hi Christos,
      > > OK on saving the powersdr.mdb file.
      > > I have just started using the HSUSB on the sdr computer and all
      > > seems ok. Guess I can get used to the clicking .. Didn't have
      any at
      > > all when I was using the parallel port. However I think hsusb is
      the
      > > way to go.
      > > I'm not sure I know what a 12C interface is .. don't think I
      have
      > > one. What boards have them? I'm using Daves si570 board.
      > >
      > > Thanks for a great program without it I could not have built the
      > > Multiband RxTx radio that is fast becoming my favorite .. much
      more
      > > fun than my Ft-1000. Ray W7RJC
      > > >
      > > > Hi Ray,
      > > >
      > > > The file PowerSDR.mdb inside the program folder holds all
      > > > configuration information. If you save this file and restore
      it
      > > back
      > > > it will preserve all settings.
      > > >
      > > > Regarding the clicking, it should be there when you move
      beyond the
      > > > 2000ppm frequency threshold, that means if your frequency
      change is
      > > > greater than 2000ppm then the Si570 has to retune so a 20ms
      gap
      > > will
      > > > come up as a click. That is by definition of Si570 command set.
      > > > This Clicking is bearely noticeable in low bands but quite
      > > noticeable
      > > > in higher freq >20m.
      > > > In the early days of Si570 we had clicking even within the
      2000ppm
      > > > area, then SiLabs informed us and at least for the 'nearby'
      > > > frequencies there is no clicking, yet again it will be there
      for
      > > > higher frequency jumps.
      > > >
      > > > 73,
      > > > Christos SV1EIA
      > > >
      > > >
      > > >
      > > > --- In powersdr-iq@yahoogroups.com, "w7rjc" <w7rjc@> wrote:
      > > > >
      > > > > Hi Christos,
      > > > >
      > > > > I am going to install the latest version of powersdr and
      since I
      > > have
      > > > > done the RX calibrations I am wondering how to do it without
      > > losing
      > > > > the calibration settings it has saved? I'm going from vesion
      01
      > > to
      > > > > version 03
      > > > >
      > > > > I have also noted some clicking as I change freq. I am
      hoping
      > > version
      > > > > 03 will correct this. Thanks for all you do to help us guys
      in
      > > the
      > > > > trenches. Ray W7RJC
      > > > >
      > > >
      > >
      >
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