[hpsdr] Updated Firmware Software.
Jeff Cook
jeffrie at talktalk.net
Fri May 29 13:44:07 PDT 2009
Jeff Cook wrote:
Keith, there's something odd going on, you and I are having problems we
didn't have before whereas others are finding it the complete answer. I
wonder if we are both making the same mistake, however, I have no idea
what it is. With my boards mounted in a tight cluster I do get good
results on 192000 but in any other position none of the sample rates
produce usable results, and in any other position I do get a degree of
relay chatter, and a startling degree of relay chatter when attempting
level calibration.
> Keith wrote:
>> Jeff,
>> I copied your setup and see a big improvement but still not as good as
>> before the updates, I cannot use 96 or 192khz sampling (distortion)
>> and I
>> could before making the changes, I hooked up the byteblaster and
>> verified
>> the code is correct in the cards svn verified the PSDR software as being
>> correct. I will keep looking also, funny thing is I started grouping the
>> cards on the other end of atlas and saw/heard changes but not for the
>> better. When you turn the preamp on does your relay chatter?
>> -----Original Message-----
>> From: hpsdr-bounces at lists.openhpsdr.org
>> [mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of Jeff Cook
>> Sent: Friday, May 29, 2009 2:03 PM
>> To: hpsdr at openhpsdr.org
>> Subject: Re: [hpsdr] Updated Firmware Software.
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> I'm having very similar problems to Keith's. Installing updated
>> firmware/software went without a hitch but the results were unusable
>> with my boards in their usual positions in Atlas. Not possible to do
>> the calibration routine due to severely distorted audio. However if
>> I put Mercury, Penelope and Ozy in consecutive slots in that order
>> starting with Mercury next to the power socket it works, even with
>> the sample rate set at 192000, which I've not been able to use before.
>>
>> Will do some more testing and if anything significant shows up I will
>> report back.
>>
>> PS. In case it's of any significance I should tell you that I'm
>> using v8 of Quartus. The link in Phil's README.text leads to a page
>> unavailable notice. Starting at the homepage I could not find the
>> Quartus II Programmer Application (80 MB), I could only find two
>> freeware applications, one at 1 GB and the other at 800 MB. This may
>> well be down to stupidity on my part I'm about as bright as a Toc H
>> lamp.
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