Chris, We just had the "build it or not" debate a few days ago and I think the consensus was if the narrow bandwidth (of the crystal Softrock) works for you...
69846
John Williams
jswillms
Nov 8, 2012 3:52 pm
From the QRP2000 page - http://sdr-kits.net/QRP2000_Description.html / Full Band or Multi Band coverage of Softrock RXTX V6.1 and V6.2 transceivers (use Kit 1...
69847
wfahle
Nov 8, 2012 4:01 pm
Hey, Robby, I just want to take the time again to thank you for your hard work such as this to create and update the instructions. Here are some notes from my...
69848
Chris Wilson
chrismwilsonuk
Nov 8, 2012 4:28 pm
... 08/11/2012 16:21 Just had a quick look at the web site, thanks for that. I couldn't see any earlier posts re the V6.1 or 6.2, but only had a quick scan ...
69849
Alan
alanzfq
Nov 8, 2012 4:38 pm
... Subject: Re: [softrock40] RXTX V6.2 versus V6.3 ... Chris, That is the Si570 frequency, not /4 frequency. It is probably best to fit the Softrock ATTiny 85...
69850
R. R. (Robby) Robson
wb5rvz
Nov 8, 2012 5:31 pm
Bill: Thank you and thanks for that great set of "blow-by-blow" encounters with the kit. I have taken the liberty to plug in a link to those comments on the...
69851
kk4dcf
Nov 8, 2012 5:35 pm
Should I be able to run the tuner by just going into cfgsdr and hitting the PTT under test? Doing this or using Tune in powersdr, the T1 doesn't respond. Just...
69852
John Williams
jswillms
Nov 8, 2012 5:46 pm
Page 21 of the pdf are the interface info. I do not know if the board will support the new attny 85, but that would be a good enhancement... ...
69853
cbayona
k5nwa
Nov 8, 2012 6:19 pm
It will work fine with the QRP2000 board, version 15.15 has a few improvements and corrections.. ... -- Cecil - k5nwa http://www.softrockradio.org/...
69854
pauldebono@...
pauldebono...
Nov 8, 2012 7:27 pm
When winding toroid RF transformers, is there any difference in performance if the bifilar or trifilar windings are twisted together or wound parallel to each...
69855
vbifyz
Nov 8, 2012 7:32 pm
No, PTT by itself is not enough. You need a tone to be applied from the TX soundcard output to the Softrock. The output power is proportional to this audio...
69856
dg3sbm
Nov 8, 2012 8:22 pm
Alan - here todays measuements using your page update: Playing around I tuned to 14 MHz (instead 21 MHz). The figures are: - Ends of T2 primary 0V7 (!) the...
69857
wfahle
Nov 8, 2012 8:44 pm
Good deal. I hope it is helpful. I obviously used your notes to build by; I never could have done it from the schematic, although now I feel I could....
69858
Chris Wilson
chrismwilsonuk
Nov 8, 2012 9:46 pm
... Thanks John, page 3 of the pdf says ATTiny 45 or ATTiny 85, so should be OK :) Are there any other major performance differences, once the Xtal control is...
69859
Alan
alanzfq
Nov 8, 2012 10:03 pm
... Subject: Re: [softrock40] RXTX V6.2 versus V6.3 ... page 3 of the pdf says ATTiny 45 or ATTiny 85, so should ... It really needs to be an 85 with Fred's...
69860
Chris Wilson
chrismwilsonuk
Nov 8, 2012 10:42 pm
... 08/11/2012 22:39 Excellent, looking forward to building it. This may be the push I need to try programming the two or three blank ATTiny 85's I got a while...
69861
MD
martyduplissey
Nov 8, 2012 11:42 pm
Has anyone tapped the 69 mhz if before the roofing filter on a 746 and used the 4 meter version of the vhf receiver for a panadapter. I'm going to try. Just...
69862
cbayona.cb
k5nwa
Nov 9, 2012 12:54 am
< http://www.thepartsplace.k5nwa.com/index.php?route=product/product&product_id=56 ... Small store but I carry that part. ... Cecil - k5nwa <...
69863
vbifyz
Nov 9, 2012 4:36 pm
Don't see why it would not work, but there is one difference you should be aware of. The frequency stability of the VHF Softrock is the same as the "bare"...
69864
kk4dcf
Nov 9, 2012 5:41 pm
I have two issues I've been trying to work out. First, I can't seem to transmit enough power to tune an elecraft T1. It requires a minimum 0.5w to tune. I've...
69865
John Greusel
greusel...
Nov 9, 2012 5:53 pm
James, You don't need that tuner to receive. I'd set that aside for the time being and concentrate on sorting our your receive problems. One thing at a time...
69866
Alan
alanzfq
Nov 9, 2012 6:46 pm
James, As John says, try RX without the ATU, are you on the right sideband? What bands are you using? But a good antenna and an open band is needed. Make sure...
69867
kk4dcf
Nov 9, 2012 8:11 pm
I pulled the atu and my mirroring problem started up again. I'm fairly certain I found every conceivable place to increase the audio output levels from the...
69868
John Greusel
greusel...
Nov 9, 2012 8:29 pm
James, Mirroring is caused by feeding the Line In to a mono jack or a problem on the board. You're jumping in with both feet trying to master several things at...
69869
kk4dcf
Nov 9, 2012 9:59 pm
Pretty sure it's not a mono input issue. Sometimes when I pick it up and fiddle with the board it'll start doing this. I picked it up and fiddled with it again...
69870
John Greusel
greusel...
Nov 9, 2012 10:13 pm
James, You probably have a cold solder joint that's essentially giving you the effect of mono input. QTradio is not really ready for primetime so if you want...
69871
kk4dcf
Nov 10, 2012 5:08 am
I'm not really concerned about which software I use. That's the easy part for me. I'm going to go back through the build instructions and retest all the points...
69872
kk4dcf
Nov 10, 2012 6:53 am
My R48 and R49 voltages are off again. I thought I had fixed this while building it by replacing Q8 but the problem is back. R48 - 50mV R49 - 98mV I did a lot...
69873
PAUL
g1fjh
Nov 10, 2012 10:08 am
Hi all, I have just completed the RX mixer stage (part 6) On testing the divider output pins 2 and 14 of U10 I find that I have 5v and not 2.5v as the notes...
69874
pauldebono@...
pauldebono...
Nov 10, 2012 10:27 am
A few years ago, I came across a Russian inductance meter kit. Mnay designers claim to be the best one around for accurancy. Anyone has the details please ? ...
