... Also note that the ARM926EJ-S used in iMX233 has a flawed write buffer and Linux's memcpy() implementation is pessimal in this case. You are going to want...
69582
Alex Turcu
talex004
Oct 29, 2012 10:02 pm
ODROID-X is indeed an impressive platform. However at $129 it seems subsidized (the CPU module itself sells for $119 and is out of stock), but as with the...
69581
Roger Critchlow
recritchlowjr
Oct 29, 2012 9:51 pm
No, dspserver requires floating point, you'd need a fixed point implementation to use those DSP instructions, and probably some assembly code, too. -- rec --...
69580
Sid Boyce
priddix
Oct 29, 2012 9:38 pm
I gave up on the Pi largely because of the USB load problems and the tussles I had with trying unsuccessfully to get sound working. I have replaced it with the...
69579
Sid Boyce
priddix
Oct 29, 2012 9:31 pm
I wanted the Pandaboard ES but instead ordered the Pandaboard. When tried changing the order it was already shipped. It runs hiqsdr-server, dspserver and...
69578
Alex Turcu
talex004
Oct 29, 2012 9:29 pm
Interesting, this information is new to me. So even my iMX233 should have enough power for softrock purposes, as long as someone is able/willing to write the...
69577
David Turnbull
ae9rb
Oct 29, 2012 9:13 pm
I can't confirm that anything we use actually runs on it, but Raspberry Pi has enough power many times over for ham SDR. The ARM11 has single-cycle 16x16 and...
69576
Alex Turcu
talex004
Oct 29, 2012 8:55 pm
Laudable that Broadcom did that, but reading through the comments on that topic revel that only the ARM-side of the code was released, and it looks like a...
69575
Shirley Márquez D...
mdulcey
Oct 29, 2012 8:25 pm
... doubt it has the horsepower for SDR (last time I checked I had no confirmation it would work). While it does have a GPU that may have enough horsepower, >...
69574
dan
w5xz@att.net
Oct 29, 2012 8:14 pm
Mark: that is almost exactly what I did with an old FT-107 a few years ago...as I recall, it was 8987 khz i.f....a 'good' sound card goes a long ways,...
69573
Alex Turcu
talex004
Oct 29, 2012 7:16 pm
The reasons I'm waiting are probably related to me (and money) rather than the technology available. I did try on a iMX233-OLinuxXino but it proved far too...
69572
Jaco Le roux
zs3jlr
Oct 29, 2012 5:19 pm
Hi Alan, Something is seriously wrong here, I have tried to TX when all is running and does seem to tx but with now power out, I have set my other radio to a...
69571
Jaco Le roux
zs3jlr
Oct 29, 2012 3:29 pm
This time it lasted for 41min, it still the same.... I'm starting to think that the Si570 is damaged. 73'...
69570
Jaco Le roux
zs3jlr
Oct 29, 2012 3:17 pm
OK, Let me put it this way, every time I re-solder the Si570 and plug it in it works for a while, So I have done this test, I have disconnected everything for...
69569
Dan Adkin
danadkin
Oct 29, 2012 3:12 pm
Hi,I am getting mirroring. Ive got to the Ensemble RXTX 07_RX Opamps and Output stage. I noticed that if i inserted the line on about half way the signal...
69568
Alan
alanzfq
Oct 29, 2012 12:47 pm
... From: "Chris Subject: Re: [softrock40] RXTX ensemble Trouble ... Chris, You may only tune like that within the range of the LO, consider it fixed. But...
69567
Leonard McGarity
wv4i...
Oct 29, 2012 12:36 pm
I’m a newbie to SDR, plus my netbook and PC on motherboard sound have poor documentation re whether/which jack might be stereo input for the I/Q signal. So I...
69566
Alan
alanzfq
Oct 29, 2012 12:27 pm
... Subject: [softrock40] Re: RXTX ensemble Trouble ... I do not need to look at your file. This is the error message I told you to look for. The ATTiny is not...
69565
Jaco Le roux
zs3jlr
Oct 29, 2012 12:12 pm
Hi I have to say, I have made about 52 QSO's with this RXTX, I can't think that there might be a bad joint at pin 7/8, I have re-soldered it just for in case,...
69564
Chris Wilson
chrismwilsonuk
Oct 29, 2012 10:56 am
... 29/10/2012 10:51 Speaking of HDSDR, should you be able to change main frequency, not just LO frequency in the HDSDR display using the mouse? I can only ...
69563
Alan
alanzfq
Oct 29, 2012 9:36 am
... Subject: [softrock40] RXTX ensemble Trouble ... You see the HDSDR display change but in fact nothing changes. There is a USB or Si570 control problem. ...
69562
Jaco Le roux
zs3jlr
Oct 29, 2012 9:18 am
Please see attached links for pictures for more info, I am listening a radio station on 6.190mHz and then changed to 80m and it still RX the radio station. ...
69561
Jaco Le roux
zs3jlr
Oct 29, 2012 8:26 am
Hi All, I'm not sure how to state it but I'm going to try, My TXRX 40/80m worked 100% until last night, I was listening to all the CQ calls on 40m (CQWW...
69560
John Greusel
greusel...
Oct 28, 2012 10:12 pm
Junius Do you have the line in plugged in correctly on your soundcard- per the build notes? John KC9OJV Â ________________________________ From: junius fox...
69559
junius fox
w5hir
Oct 28, 2012 9:52 pm
I have the Ensemble II built and checked for solder problems.. none found. I have checked voltages, all OK!, CFGSR finds the SI570 OK!. BUT.... When I hook up...
69558
Chris Wilson
chrismwilsonuk
Oct 28, 2012 6:59 pm
... Hi Alan, when I built it I remember taking the probes to some section and reading the frequency output into the counter and trimming it with the software,...
69557
Alan
alanzfq
Oct 28, 2012 6:07 am
... Subject: [softrock40] Checking si570 calibration witha frequency counter? ... Chris, The easiest way is...
69556
hollingw@...
wa9lt
Oct 28, 2012 3:18 am
Thanks Orin I checked the resistance from pins 11 and 12 to ground on IC10 and was reading 12 ohms on both pins. Since there is a 1K (R63) to ground, I...
69555
junius fox
w5hir
Oct 28, 2012 1:18 am
Chris, In retrospect, I was darn sure I had soldered the si570 ok, so had a friend look at my supposedly installation of the driver, It turns out, I really...
69554
Sid Boyce
priddix
Oct 27, 2012 11:42 pm
Hi Rick, I knew that, I was merely voicing my anxiety in handling vacuum tubes. None-the-less the Peaberry design is an extension of the Ensemble RXTX and a...
