I see the same problem here (PSDR 2.0.5, XP 2002, SP 3, MME audio drivers).
I set the IF to 3 kHz and it is audible on both LSB and AM. Starts off very
loud when changing preamp setting and then the amplitude decreases until it
disappears in the noise. Try it on WWV with the BW set to 6.6 kHz or wider.
73,
Clay W7CE
----- Original Message -----
From: "Tim Ellison" <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Monday, July 12, 2010 7:44 AM
Subject: Re: [FlexEdge] Flex-1500 spur
Loud? What mode are you operating?
-Tim
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Monday, July 12, 2010 10:39 AM
To: Tim Ellison
Cc: [email protected]
Subject: Re: [FlexEdge] Flex-1500 spur
Its still the same with asio4all.
Spur very loud at -4 kHz.
73, martin dl1fux
Am 12.07.2010 16:22, schrieb Tim Ellison:
Try ASIO4ALL for XP too and see if there is a difference. MME has a lot
of latency.
-Tim
-----
W4TME
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Monday, July 12, 2010 10:19 AM
To: Tim Ellison
Cc: [email protected]
Subject: Re: [FlexEdge] Flex-1500 spur
Hi Tim,
for Vista32 I used ASIO4ALL and now for XP its MME as in the moment I do
not do any cw.
73, martin dl1fux
Am 12.07.2010 15:58, schrieb Tim Ellison:
It is the 0 Hz IF of the DDS.
What audio drivers are you using for each operating system with the
FLEX-1500?
-Tim
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of DL1FUX
Sent: Monday, July 12, 2010 9:55 AM
To: [email protected]
Subject: Re: [FlexEdge] Flex-1500 spur
Ups,
I changed my OS from Vista32 to XP Prof. and now I do have this spur,
too.
Direct after release of ptt or changing preamp settings it goes up about
20 - 30 dB above noise level and falls down within 3 seconds.
Changing IF to 0 Hz puts it direct on the red line. SR does eliminate it
totally.
I did not notice it unter Vista.
73, martin dl1fux
Am 12.07.2010 14:56, schrieb Tim Ellison:
That is probably the DDS "0 IF noise".
-Tim
-----
W4TME
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of David McKenzie
Sent: Sunday, July 11, 2010 11:50 PM
To: flexedge
Subject: [FlexEdge] Flex-1500 spur
Hi,
On my Flex-1500, I have a spur at about -3500 at all times. Changing
the
preamp setting makes it stronger/weaker for a short amount of time when
switching from 0 to +30 to 0, then settles back down. Anyone else see
this?
Seems most noticeable on quiet bands, at around -120. Doesn't appear to
be
anything in the shack.
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This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is
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This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is
used for posting topics related to SDR software development and
experimentalist who are using alpha and beta versions of the software.
_______________________________________________
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used for posting topics related to SDR software development and
experimentalist who are using alpha and beta versions of the software.
_______________________________________________
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posting topics related to SDR software development and experimentalist who are
using alpha and beta versions of the software.
