The whisker you can see in the pic is a result of me leaning over the board to take the picture a couple of hours after having my hair cut Jess...
69718
Malti
pauldebono...
Nov 3, 2012 4:09 am
These are the places to buy of low cost and low shipping, from amateurs to amateurs !! : http://www.thepartsplace.k5nwa.com http://www.dspradio.org/catalog/21 ...
69719
cbayona.cb
k5nwa
Nov 3, 2012 5:39 am
The second site (dspradio.org) has been dead for a while, it will not allow orders. ... Cecil - k5nwa < http://thepartsplace.k5nwa.com/ > <...
69720
Alan
alanzfq
Nov 3, 2012 6:11 am
... Subject: [softrock40] Re: RXTX Ensemble TX OpAmps Question ... So the 5V line is still 4V4? The voltage across R52 is consistent with 90mA drawn from the...
69721
DU1MGA.Gm
acs9999
Nov 3, 2012 10:07 am
Hi Christos, I have PowerSDR 2.4.4 installed on my computer (windows-xp x64 Dualcore). it works fine and I'm happy with this. I use anSound Blaster Audigy2....
69722
Chris Stake
raystake
Nov 3, 2012 11:58 am
Ok, at least it proves I was paying attention. :-) Chris From: softrock40@yahoogroups.com [mailto:softrock40@yahoogroups.com] On Behalf Of jess_flyin_high ...
69723
Alan
alanzfq
Nov 3, 2012 12:34 pm
... Subject: Re: [softrock40] PowerSDR v2.4 for Homemade SDR transceivers ... I use anSound Blaster Audigy2. This card is installed as an unsupportet Card. ...
69724
DU1MGA.Gm
acs9999
Nov 3, 2012 1:11 pm
Hi Alan, it was a long fight before I was the owner of the Delta Hi. Will try it to morrow because it is already late her in DU-Land and I have had a bad day...
69725
DU1MGA.Gm
acs9999
Nov 3, 2012 3:14 pm
Hi Alan, I just following your advice, and yes Bingo. No crash. It runs good now. Now I have to make a conversion for the cables, but will not be a great...
69726
wfahle
Nov 3, 2012 7:05 pm
It indicates 5v on pin 1, Just like the other one in that respect. With power off, I'm currently reading 20.9 Kohms between pin 1 and pin 8, which when...
69727
Alan
alanzfq
Nov 3, 2012 7:18 pm
... Subject: [softrock40] Re: Bad chip? Not that one, in any case. ... I do not remember you giving the voltages you see on this chip. 73 Alan G4ZFQ...
69728
Jaco Le roux
zs3jlr
Nov 3, 2012 7:57 pm
Hi Alan, I have had sometime to look at my RXTX, I found that it draws 114mA on the 12volt side with out USB, I have checked the voltage of the 5 volt...
69729
wfahle
Nov 3, 2012 7:58 pm
I am giving continuity checks now. I was reading 5v on pin 1, which was the original problem that made me suspect the chip was bad. In fact it looks like R15...
69730
wfahle
Nov 3, 2012 8:12 pm
It looks like R15 is shorted to ground between it and C6+ (the non-hairpin side. With a ground lead on R50 hairpin, the ohmmeeter reads 0 ohms at the pin just...
69731
wfahle
Nov 3, 2012 8:18 pm
Found the problem. See other thread....
69732
wfahle
Nov 3, 2012 8:20 pm
Fixed it. I ran the probe around the edge of R15 before I pulled it, and a shiny bit of copper was uncovered shorting the center of the pad to ground. I...
69733
wfahle
Nov 3, 2012 8:47 pm
And, reassembling, the voltages now check out (2.5 everywhere but pin 8 and 4, which are 5v and 0v, and bridged with a resistor also gives the right voltages...
69734
dg3sbm
Nov 3, 2012 9:03 pm
Hi - I have a problem here with my Ensemble which already took me hours... RX works perfect, but TX output voltage is only about 7V peak to peak (should be...
69735
KF4BQ
mikecol2
Nov 3, 2012 9:13 pm
... Bill, Don't take this bad: there appears to be some pieces of wire/solder near many of the solder connections in your pictures. Many use a Qtip with...
69736
Angel
angel_andresfer
Nov 3, 2012 9:36 pm
Hi, I got my Lite II working on 20m with EMU 0204 with Rocky and CW skimmer well. I wanted to try WSPR and I have downloaded WSPR 2.11 (IQ) without VAC...
69737
wfahle
Nov 3, 2012 9:50 pm
No offense taken; it's my first PCB. I did try rubbing alchohol but it made more of a mess. The whole board is a mess, but especially this part after all the...
69738
Alan
alanzfq
Nov 3, 2012 10:00 pm
... Subject: [softrock40] Re: I think I found my so-called bad chip problem. ... Well done. You should have followed Robby's method, and told us the voltages...
69739
Alan
alanzfq
Nov 3, 2012 10:01 pm
... Subject: [softrock40] Ensemble RxTx: Low Power output ... Markus, The figures you give are much higher than mine here...
69740
Alan
alanzfq
Nov 3, 2012 10:08 pm
... Subject: [softrock40] Lite II 20m & WSPR 2.11 IQ mode - question ... Angel, As you say the 20m lite needs a different crystal to work with WSPR IQ. The...
69741
pauldebono@...
pauldebono...
Nov 3, 2012 10:35 pm
I am building the Ensemble RXTX, and has just finished the Local oscillator section. The power supplies are good. The software is responding ok. ABPF filter...
69742
Ricardo Caratti
pu2clr
Nov 3, 2012 11:23 pm
I have just concluded the receiver stage of my Peaberry Kit (Step 20). It is working. But I've noticed some strange behavior The Peaberry Audio device is...
69743
pauldebono@...
pauldebono...
Nov 3, 2012 11:47 pm
Some months ago, or perhaps, a yea ago, there was talk, faulty SI570 released from the factory. Any one remembers or kows, which versions please ?? Paul...
69744
Colin Irwin
colin.irwin
Nov 4, 2012 1:13 am
Hi,I've been developing the aetherSDR software application for some time now and would like to announce the initial release and request some help from devoted...
69745
Anthony Casorso
mux_folder2001
Nov 4, 2012 2:24 am
I tried but I got lost with the install of the the third package for PythonGL. The directions look like they are given for a unix command line. I'd love to try...
69746
Alan
alanzfq
Nov 4, 2012 6:28 am
... Subject: [softrock40] Ensemble RXTX - no RF from SI570 Have you measured the voltages on the pins of the Si570? Does the CFGSR "Test" tab show all values...
