[linrad] Re: A/D SPEED ERROR

["Daniel Koch" <gmx.de; dl3iae@xxxxxxxxxxxxxxxx>]

I just found out, that the "half A/D speed error" thing only happens in I/Q
mode (direct conversion RX). If I setup single channel reception, then the
failure doesn't show up and A/D speed behaves as selected. 
Still the audio output shows some clicks or short dropouts, which makes
listening uncomfortable.
It is possible to switch between Linrad and other programs but I have seen 
Linrad hanging up after a number of trials with a black screen and the
following message:

Error 1224 code 0
Overrun error. Is Linrad swapped to disc?


When trying the I/Q + polarity mode, Linrad will not start at all. 

Error message is:

Error 2010 code 0
Thread no 10 failed to start (See thrdef.h)

I use an AMD Duron at 1,3 GHz and 256Mb RAM.
System runs OK with the Linux setup.

Daniel








Von: "Daniel Koch" <dl3iae@xxxxxx>
> An: "Linrad mailinglist" <linrad@xxxxxxxxxxxxxxxxxxxxx>
> Betreff: [linrad] A/D SPEED ERROR
> Datum: Sat, 21 Jan 2006 15:28:56 +0100 (MET)
> 
> Hi all,
> 
> I managed to get wlr2-00a on my Win2K System running, using the Delta 44
> board as input and on board AC97 as output (tnx Roger and others!). 
> 
> The following problem still needs to be solved:
> After a few seconds in weak signal mode (haven't tried the other modes
> yet)
> I get something like this:
> 
> A/D SPEED ERROR 24001(nominal 48000Hz)
> 
> I know what it means and pressing "T" shows the actual A/D value is at
> 24001
> Hz. The problem is that I actually selected 48000 in the "U" setup. 
> This happens independently of the speed I have selected, as 96000 or 22000
> will cause the same result. 
> The error message always shows half the selected A/D speed.
> 
> The sound output turns on and off at a frequency of about 1 Hz. I don't
> know
> if these two things have a common source.
> 
> Any idea?
> 
> Daniel, DL3IAE
> 
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