The Ensemble RXTX was working fine and then quit. So far I have check the 12v bus -- okay 5v bus 2.7 volts. Current draw in receive mode 128 ma. I removed the...
69621
John Williams
jswillms
Oct 31, 2012 5:27 pm
I got my RXTX pre-built from Tony and he said he tested it on Rocky. He wired it RX straight and TX crossed. To get it to work on PSDR, I made a cable that...
69620
David Turnbull
ae9rb
Oct 31, 2012 5:11 pm
Jose, what versions of the software? Are you actually transmitting with both or just receiving with one? I need more information to reproduce this because my...
69619
Jose Bonanca
ct1aos
Oct 31, 2012 5:05 pm
RX not crossed ... TX crossed. 73 From: softrock40@yahoogroups.com [mailto:softrock40@yahoogroups.com] On Behalf Of David Turnbull Sent: quarta-feira, 31 de...
69618
David Turnbull
ae9rb
Oct 31, 2012 4:45 pm
Alan, The following two paragraphs from from http://www.wb5rvz.com/sdr/ensemble/07_opamp.htm "In both the RX op amp and TX QSE sections, the jumper links on...
69617
Alan
alanzfq
Oct 31, 2012 4:32 pm
... Subject: Re: [softrock40] Re: Ensemble II output ... Anyway, I am, still checking. Did you mention that? It could well be your problem. 73 Alan G4ZFQ...
69616
wfahle
Oct 31, 2012 4:31 pm
Well NOW it's the chip for sure. In an attempt to remove the IC to check voltages and such, the green covering began to burn through exposing the copper traces...
69615
junius fox
w5hir
Oct 31, 2012 3:30 pm
Leonard, I appreciate all of the answers I am getting from everyone. I have checked all of the solder points, reflowed(?sp) each pin of the ICs. One...
69614
Alan
alanzfq
Oct 31, 2012 7:05 am
... Subject: Re: [softrock40] Peaberry using PowerSDR2.4.4 I/Q Reverse on TX only ... David With the Softrocks it has always been the case that if the IQ is...
69613
wfahle
Oct 31, 2012 2:36 am
Ok, I pulled R16, and it still reads 5v at pin 1. R16 measures out at 10k as it should, but with it pulled there is very little voltage at pin 2. The current,...
69612
David Turnbull
ae9rb
Oct 31, 2012 12:25 am
Alan, Rocky's I/Q reversal toggles both the tx and rx. The RX_REV reverses only the receiver. Without the jumper, one or the other is always wrong in Rocky. No...
69611
Leonard McGarity
wv4i...
Oct 30, 2012 11:56 pm
Don’t know if this applies to the problem described in this thread, but I too was initially not getting the I/Q signal where it needed to go. Both my PC (on...
69610
kz1x
Oct 30, 2012 11:45 pm
Interesting. I've tried Rocky and HDSDR and PowerSDR with my Peaberry, and, the only one I've had to run reverse I-Q on is HDSDR. And I do that from the...
69609
John Greusel
greusel...
Oct 30, 2012 10:15 pm
 Junius, Did you check the total current draw of the receiver? John KC9OJV ________________________________ From: junius fox <jfox05@...> To:...
69608
Alan
alanzfq
Oct 30, 2012 10:14 pm
... Subject: [softrock40] Re: Bad chip? ... Right, maybe the voltage is coming through the mixer with some sort of diode action. ... This could be the IC, but...
69607
Alan
alanzfq
Oct 30, 2012 10:14 pm
... Subject: Re: [softrock40] Ensemble II output ... Hold a pin in your fingers and touch the op-amp inputs and the mixer inputs. 73 Alan G4ZFQ...
69606
Alan
alanzfq
Oct 30, 2012 10:14 pm
... Subject: Re: [softrock40] Peaberry using PowerSDR2.4.4 I/Q Reverse on TX only ... David, I wonder why you say that? If the Peaberry works correctly with...
69605
junius fox
w5hir
Oct 30, 2012 9:00 pm
YEP, in fact, I tried it both ways. But, Thanks for the heads-up. Junius ... From: John Greusel To: softrock40@yahoogroups.com Sent: Tuesday, October 30, 2012...
69604
John Greusel
greusel...
Oct 30, 2012 8:57 pm
Junius, It may be a silly question but you did put in the jumpers just behind the line in plug right? John KC9OJV Â ________________________________ From:...
69603
junius fox
w5hir
Oct 30, 2012 8:49 pm
I guess I need to explain about no output to the PC. I put my finger on both channels to the PC, noise was introduced to the PC, Apparently, nothing is...
69602
wfahle
Oct 30, 2012 8:46 pm
On R50 Hairpin (the standard regular ground reference from the power supply stage)....
69601
junius fox
w5hir
Oct 30, 2012 8:45 pm
Mike, I did just that, I used my finger to introduce noise on the output to the PC. It reacted as I suspected. I also have a SDR receiver I had built, and...
69600
vbifyz
Oct 30, 2012 8:29 pm
Always start debugging on the PC and software side. Check that HDSDR reacts to the signal (finger touching the tip) on your soundcard input. 73, Mike...
69599
Alan
alanzfq
Oct 30, 2012 6:56 pm
... Subject: [softrock40] Bad chip? ... Where have you got the meter negative clip? 73 Alan G4ZFQ...
69598
Alan
alanzfq
Oct 30, 2012 6:56 pm
... Subject: [softrock40] Ensemble II output ... Junius, What do you mean? There IS output on both channels of the Ensemble. This is the IQ output to go to...
69597
David Turnbull
ae9rb
Oct 30, 2012 6:03 pm
Dave, I just tested PowerSDR 2.4.4 with the homebrew mods. There's no need to reverse channels on the Peaberry. Do not install the RX_REV jumper and you'll...
69596
wfahle
Oct 30, 2012 4:46 pm
I heartily second that. This is my first PC board build, and between you and Robby, I have found it to be an enjoyable and doable process, in which I have...
69595
w5hir
Oct 30, 2012 4:34 pm
I have my ensemble II finished ( wel sort of). I hook the unit to HDSDR. HDSDR recognizes the si570 and controls the frequency. But there is apparently no I...
69594
Paul Mackanos - K2DB
pmackanos
Oct 30, 2012 2:27 pm
** Hurricane & Superstorm Sandy ** Looking at the US Weather Service maps, it appears that all of the sections within the Atlantic Division have been touched...
69593
wfahle
Oct 30, 2012 1:20 pm
Pictures of relevant part of board: http://imgur.com/a/BFFoj...
