Hi Julien,
I have exactly the same problem.
No really useful solution was found (except digging deep in the Windows OS,
which I don't want to do).
So I continue using the parallel interface...
73 QRO es Haapy New Year
Thierry
ON5TE
Thierry Eggen
s.a. ACRIS n.v.
13 Avenue Rogier
B1030
Hi thierry,
Ok but the problem is that on the PC board not of port parallel thus I
must pass by just usb .
73 QRO and HAPPY new year
julien
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at the same time and remember to have heard better selectivity
before.
Any suggestions what could be wrong?
Gerd - DJ8AY
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Gerd,
Actually, the selectivity is very effective, more like a brick wall even at
50hz. Have you completed all of the calibration routines?. All the I/O
cable plugs in secure? Try setting the DSP Buffer to 4096.
Could be something not right in the setup on the D44.Check the Flex
website
N3WT wrote:
Gerd,
Actually, the selectivity is very effective, more like a brick wall even at
50hz. Have you completed all of the calibration routines?. All the I/O
cable plugs in secure? Try setting the DSP Buffer to 4096.
Could be something not right in the setup on the D44.Check
Bob,
Absolutely!
A couple of times recently I've been in the midst of composing an e-mail to
a list and in the process of documenting details to compose the question I
discover the answer (which has reduced my short term never mind ratio a
little.)
Another useful tool is the
Happy New Year world! World of Flex Radio.
--
Sergey Abramov RW3PS
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Folks:
I have been told that with the newer SDR's (mine is only a few weeks old), no
turn on drift should be experienced with the thermistor modification. However
I see drift of probably 100 HZ or so immediately after turn on, for about 10
minutes or so. I have the feeling that the
It takes a while for the XO to stabilize once the SDR-1000 is turned on,
so what you are seeing is normal behavior. Mine does not have the
therminstor and it takes about 30 minutes to stabilize. Taking 10
minutes to stabilize is not that bad since it is three times faster than
mine. Remember it
According to Flex-Radio The early versions of the SDR-1000T took as long as
15 minutes to become frequency stable. The addition of the thermistor
results in a dramatic improvement; within 3 minutes the radio is as stable
as most radios with high stability oscillators.
Seems as if there could be
At 12:22 PM 12/31/2006, Brian Kassel wrote:
Hi Ross:
As I had mentioned in 2 messages to Tim:
I also got a reply from Ken, N9VV. He basically agrees with you, and
I gladly accept the turn on drift, no problem. I stand informed and
educated by you both, thanks!
What does bother me
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Brian,
The newer SDRs have a 3 minute stabilization period. The older units took 15
min to stabilize. The radio should be very stable after 3 minutes provided
your power supply voltage is stable. I leave my SDR on 7/24 and experience
about 5-10 Hz drift a day. I usually do an auto calibrate once
Hi Jim:
Thanks for the note. Let's see if I can describe to you what I
see. After even a short transmission of, say, 5 seconds, running
something like 5W, the frequency of the received PSK-31 signal slowly
moves to the left on the waterfall display of my MixW program traveling
about
Hi Peter:
Yes, it sure could be the sound card. I use the VAC 4-03
application so that the digital mode sound card is actually virtual.
The SDR-1000 sound card is a Delta 66. The console is V 1.8.0. I
can't seem to come up with a method to check the virtual sound card for
frequency
Brian Kassel wrote:
Hi Jim:
Thanks for the note. Let's see if I can describe to you what I
see. After even a short transmission of, say, 5 seconds, running
something like 5W, the frequency of the received PSK-31 signal slowly
moves to the left on the waterfall display of my MixW program
Now that is a Happy New Year announcement!!
I know we are all VERY proud of Phil Covington N8VB for his
QuickSilver-I Receiver announcement.
next generation SDR Rx bp filter direct to ANALOG TO DIGITAL chip! No
QSD/ISD/soundcard! very high speed ADC to DDC to your PC via full speed
USB 2.0 (wrap
Hi Larry:
Thanks for your message and suggestions. I changed out the PS with
another SEC 22 A version, and the symptoms persist. Please keep in mind
that the symptoms also persist when running only 5W. I do appreciate
the input as to the fact that a heavier PS is required than the
Brian Kassel wrote:
Hi Larry:
Thanks for your message and suggestions. I changed out the PS with
another SEC 22 A version, and the symptoms persist. Please keep in
mind that the symptoms also persist when running only 5W. I do
appreciate the input as to the fact that a heavier PS
From Phil's blog...
vSound Status
I have been able to get a prototype of the vSound driver to work on
Windows Vista beta. I am now waiting until the official release of Vista
to continue development on a driver that will work on both XP and Vista.
As it looks now, vSound will support Vista and
Hi John:
Thanks for the message. Yes, the stability from turn on is no
problem at all for me. It is the 2-3 second drift from TX back to RX
that is worrisome. With so much help on the reflector, I feel sure
that we will find the answer. I wonder if any others that are using VAC
4.03
Tim Ellison wrote:
From Phil's blog...
vSound Status
I have been able to get a prototype of the vSound driver to work on
Windows Vista beta. I am now waiting until the official release of Vista
This is misspelled. It is Windows VIRUS beta.
;-).
Actually, this is good news from
Re: Bob McGwier's post:
With the advent of the twisted /trusted computing /and the DRM signed
driver requirements as well as new
hardware requirements for Vista compatible boards, we may be in deep
weeds in the future. The great strength of Software Defined
Radio can also be its Achilles heel,
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