Is the value to be put into the box peak-to-peak or RMS? Thanks.
Chris - AE6VK
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See the answers below
-Tim
-
Integrated Technical Services
-Original Message-
From: Jerry Flanders [mailto:[EMAIL PROTECTED]
Sent: Monday, February 19, 2007 11:51 PM
To: Tim Ellison
Cc: flexradio@flex-radio.biz
Subject: RE: [Flexradio] [KB] ECO-0031 Issued for the RoHS compliant 10
Tim
Please answer these 6 Questions - I could not find answers to any of
these questions in the ECO pdf
I bought in Nov 2006. Is it likely I need this mod?
What is RoHS?
What is RoHS compliance?
If my output currently appears normal on 12 and 10, should I perform
the ECO anyway?
Is there an
Jerry,
It is not that easy to give you a range or starting number because the
serial numbers are, well... not actually serial. The SDR-1000 S/N is
more of a mfg lot ID and sequence number. If this was applicable to all
SDR-1000, the ECO would have had a made before date as the criteria for
apply
Tim,
FireBox 96Kss
Buffer 4096
Filter 10 Hz set
Bandwidth at -6 dB 60 Hz
Bandwidth at -60 dB 190 Hz
Shape factor 3.17
Note: With the filter set at 20 Hz the
readings were essentially the same. I thought that
by setting a very narrow filter, e.g. 10 Hz, I could get
a narrower response than the
What are the serial number ranges of the radios that need this ECO?
Jerry W4UK
At 10:23 PM 2/19/2007, Tim Ellison wrote:
>To all,
>
>An Engineering Change Order, Changes to RoHS 100 Watt PA - ECO-031, has
>been published on the Knowledge Base. You can access the KB article by
>using the followi
I'm happy to report that the SDR-1000 does truly merit respect as a CW
contest radio. This past weekend I spent a couple of hours on 40 meters in
the ARRL CW DX contest to determine if the SDR would be able to "slice and
dice" through the typical contest bedlam. As I predicted, using the FA-66
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Chas,
What was the info for 4098 @ 96K
-Tim, W4TME
"Si fractum non sit, id reficere"
-Unknown Roman consultant
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Charles Greene
Sent: Monday, February 19, 2007 7:39 PM
To: Jim Lux
Cc: FlexRadio@flex-radio.bi
Mel Whitten wrote:
> Very good Chris.. I was at Orlando also.. you lucky dawg!
> Skins have been discussed here and yes, there will be some probably
> starting with 2.x of the software. Plus you'll be able to do your
> own then too. Enjoy the radio, it is sure a lot of fun.
> 73
> Mel, K0PFX St
Well I finally got my SDR-1000 on the air. (I won it at the Orlando
Hamcation). My
first impression. Receiver is like WOW. My previous set up conswisted of
an IC R75/
IC 718 in transceive configuration. There is just nor comparison.
Pileups no longer sound
like noise and I can hear station I co
Jim,
The 512 or 1024 DSP buffer size really wreck the filters. I ran some
tests and plotted some graphs using Spectrogram and an RF noise
generator which I can send you. I ran the tests using buffer
settings of 4096 and 1024 with the FireBox running at 96Kss. Here is
the info sheet for the
Steve,
I have been a very happy flex user for the past 13 months. give me a call if
you wish at my office during the day.
Howard Sherer AE3T
Allentown, PA
610-820-3482
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I can speak favorably for the Byterunner PCI LPT card. It just plain works.
The one thing you have to watch out for is that you will need to get the LPT
Address from the device manager when using such an external card. See the
troubleshooting section in the operation manual for details.
Eric Wa
At 02:08 PM 2/18/2007, Mark Amos wrote:
>Jim,
>
>OK, I don't quite understand what you're getting at. I made some
>measurements - the amplitude of a signal passing through a filter at
>various bandwidths. I divided the -60dB down bandwidth and by the
>-6dB down bandwidth. I refered to this dimen
At 11:24 AM 2/18/2007, Ken N9VV wrote:
>Gary, there are hundreds of SDR-1000 + USB owners who are very happy
>with the USB Converter connection. Ahti and Sami designed a quality
>device that works well for many of us. There certainly is a problem
>with many desktops and laptops that under power the
At 06:26 AM 2/19/2007, Charles Greene wrote:
>Jim,
>
>Two questions. Why are you assuming a DSP buffer size of 512 with a
>sample rate of 48Ks/s?
I was assuming 512 so that the filter transition width would be
approximately 100 Hz. If you had a 4096 buffer, then the skirts
would be 48000/4096
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Jim,
Two questions. Why are you assuming a DSP buffer size of 512 with a
sample rate of 48Ks/s? Some of us are using a DSP buffer size of
4096 whether we are sampling at 48Ks/s or 96Ks/s. I think that size
buffer will affect CW performance only when going from TX to RX,
which is going to be
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