Hi, Did anybody manage to get two identical USB sound cards to work at the same time under Windows XP? I have two Creative sound cards, and each works fine...
51078
Sivan
sivan_toledo
Jan 1, 2011 8:49 am
Alan, Even with the full kits, actually using it will require an external set of bandpass filters, right? Or did I miss something? Thanks, Sivan...
51079
Dave - WB6DHW
brainerdd
Jan 1, 2011 8:57 am
Siven: True. The UHFSDR does not include filters. You will need band pass filters for receive. For transmit, you will need either band pass filters or low...
51080
Lawrence Galea
galea_lawrence
Jan 1, 2011 9:58 am
20 Watt amplifier design complete with pcb design, nominal input of –13dBm (0.05mW) so you can put an attenuator at the input 150 Watt amplifier design...
51081
Sivan
sivan_toledo
Jan 1, 2011 10:36 am
Thanks Dave. I am wondering whether it would make sense for Alan to offer a kit containing both the UHFSDR and your BPF. I realize that Dave's BPF design only...
51082
Philip
p19547ct
Jan 1, 2011 11:10 am
Great de soldering tip Bill... I did the same thing (put the chip on the wrong pads) Must admit though, my de soldering destroyed the chip......
51083
kb9yig
Jan 1, 2011 1:53 pm
Good Morning All, Circuit boards for the Lite II Combined kit are due in on January 3. At this time I am going to make 100 Lite II Combined kits available on...
51084
kb9yig
Jan 1, 2011 1:59 pm
Good Morning All, I am building two HF versions of the RX Ensemble II receiver and both should be ready to ship on Monday, January 3. If anyone would like to...
51085
Alan
alanzfq
Jan 1, 2011 2:28 pm
... From: "Sivan" Subject: [softrock40] Two identical USB sound cards at the same time? (Windows XP) ... I have two Creative SB24 Live! USB devices that work...
51086
Peter Johnson
m1bcv2002
Jan 1, 2011 2:41 pm
Hi Lawrence . Strange that as I have one of each amplifier sitting on the shelf waiting for me to finish the the matching LPF board. Have you tried them with a...
51087
Sid Boyce
priddix
Jan 1, 2011 4:44 pm
I've seen the 20dB attenuator on the LPF schematic. I'll first work out how much attenuation I need as I have a 0 - 59dB switched attenuator box I built many...
51088
Sivan
sivan_toledo
Jan 1, 2011 4:51 pm
I have the same cards. I'll double check to see if I can get both to work. Thanks a lot, Sivan...
51089
The Silver Fox
arhill999
Jan 1, 2011 5:46 pm
I will consider doing it but at the moment I do not know what it entails. Happy New Year 73's Alan - W6ARH From: softrock40@yahoogroups.com...
51090
Sivan
sivan_toledo
Jan 1, 2011 6:44 pm
Alan, which version of Windows are you using and which version of the driver? I upgraded to the latest drivers from Creative and I still have the same problem;...
51091
Alan
alanzfq
Jan 1, 2011 7:22 pm
... From: "Sivan" Subject: [softrock40] Re: Two identical USB sound cards at the same time? (Windows XP) ... Ah! Same Windows but they seem to be using the...
51092
Ken Hall
khall44
Jan 1, 2011 7:59 pm
Tony, Thank you for your kind words and I wish you and yours a safe, healthy, prosperous and Happy New Year. I would be interested in the 6m/4m/2m kit should...
51093
aa9wqham@...
aa9wq
Jan 1, 2011 8:11 pm
Hi Tony If you get this in time, can u set aside a light kit. I am on the road. I will PP u this evening. Thanks Larry Sent on the Sprint® Now Network from my...
51094
aa9wqham@...
aa9wq
Jan 1, 2011 8:15 pm
I have also ran 2 of the same sound cards. I have found that some cards won't allow it. Not all will allow it. Larry Sent on the Sprint® Now Network from my...
51095
John Hoaglun
jhoaglun
Jan 1, 2011 9:26 pm
I am working thru my build of the Ensemble RXTX. I am posting notes on my blog as I work thru the various stages. http://www.hoaglun.com/blog/ For the receive...
51096
Tony Parks
kb9yig
Jan 1, 2011 10:25 pm
Will do Larry. 73, -- Tony Parks kb9yig@... http://www.kb9yig.com ... Will do Larry. 73, -- Tony Parks kb9yig@... http://www.kb9yig.com On Sat,...
51097
Sid Boyce
priddix
Jan 1, 2011 10:47 pm
Definitely addictive. Other software such as linrad and sdr-shell consume considerably less CPU (low single figure) than quisk, python being an interpreted...
51098
jbboater
Jan 1, 2011 10:47 pm
I plan to try an audio transformer as well. I am using a shielded audio cable and I plan to cut the wire in half, then solder the transformer between the two...
51099
Brian Lloyd
briancj6a
Jan 1, 2011 10:59 pm
... Leave the shields isolated. You are correct in thinking that reconnecting the shields would recreate your ground-loop. -- Brian Lloyd, WB6RQN/J79BPL 3191...
51100
Gordon JC Pearce
gordonjcp
Jan 1, 2011 11:42 pm
... A lot of the heavy lifting in Quisk is actually done in C, with Python bindings to let you glue it all together. You didn't mention lysdr ;-) That's...
51101
John
n0ure
Jan 2, 2011 12:12 am
Alan, if not too late please add my name to the 'interest' list. John Clark TI4/N0URE...
51102
MIKE DURKIN
seth_otherpower
Jan 2, 2011 12:33 am
Can some one point me in the direction of how the side band suppression is done during Tx using the UHFSDR/Si570 .... looking at the schematic im not grasping...
51103
aa9wqham@...
aa9wq
Jan 2, 2011 12:58 am
I believe it is using I and Q like the softrocks. It would be done in the software. I am looking forward to the next run of kits. Larry W9AMR Sent on the...
51104
Dave - WB6DHW
brainerdd
Jan 2, 2011 1:07 am
Mike: Sideband suppression is done the same as in any Softrock type SDR transmitter. The software generates the I and Q audio signals. These are mixed in the...
51105
jbboater
Jan 2, 2011 1:25 am
THanks for the quick reply Brian, It just dawned on me, won't I need a transformer for the tip and a second transformer for the ring? If so, how do I connect...
51106
MIKE DURKIN
seth_otherpower
Jan 2, 2011 1:49 am
Thats kinda what i figured. Iv been playing with WonderRadio V1.01 trying to hear the differences from left and right during Tx but i think my laptop hardware...
