My guess is they thought the USB would be good enough for the 1500, and its
a lot more common then a firewire.
Everything comes with a usb port, and there are even some sdr's that run
over one, even getting power from it
)sdr-iq).
Jump up to the 3000 and 5000 and they need the firewire abilities.
I ran a 5000 on my laptop, and it ran great with no problems, but I do not
think I could have done CW on it with the built in keyer.
The delay through the lap top was MUCH higher then it was through the custom
built low end desktop form Neal.
The TX monitor was also useless as there was so much delay it sounds like
echo from a phone over a satellite link.
With the desk top computer, it was very close to real time.
I know the idea is you are supposed to use a laptop and the 1500 as a
portable station, but wonder just how well it can work on cw without a
really fast laptop, and not just the processor part of it...
My laptop had enough processor to run the 5000 glitch free, it just had all
that delay....
Sort of makes you wish they would just put a chip in the radio to do the
processing (without windows) and just have the computer display and control
the radio...
It seems like there is a LOT of potential in sdr, with no one really pushing
it.
Brett
N2DTS
----- Original Message -----
From: "Jim Lowman" <[email protected]>
To: <[email protected]>
Sent: Sunday, November 20, 2011 12:46 PM
Subject: [Flexradio] Flex-1500 and USB 3.0?
Hello, everyone. Please overlook the rookie questions as I am a new owner
of a Flex-1500, having ordered it at the ARRL Southwestern Division
Convention in September.
For many years I've used my trusty Dell Inspiron 8500 laptop as the shack
computer, but will need to move another computer in there because the 8500
ports pre-date USB 2.0.
I'm planning to use an HP desktop that has a 2.60 GHz AMD Athlon 64 X2
dual-core CPU and 2 GB of RAM. It will take another 2 GB of RAM but,
since it's running Windows XP, anything over about 3 GB is not used.
This would seem to be adequate to run PowerSDR, although more is always
better.
Are there any plans to support USB 3.0 in the near future? I understand
that the speed of the USB port is the limiting factor. Any reason that
the 1500 doesn't use FireWire, as the other Flex models do?
I would have searched the archives of this mailing list for possible
answers, but didn't know where to locate them
Thanks for any info. BTW, my intended use of the 1500 is primarily CW, 30
wpm or so, and probably some digital.
72/73 de Jim - AD6CW
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