Hi All. Im in the process of building a HF APRS tx, which uses the above DDS. I believe the DDS can take FSK as an input, so my question is, If I use Foxdelta...
555
Robert
boofrmb2002
Apr 24, 2013 3:09 am
Further to this. Could the Foxdelta be reprogramed from Audio FSK to FSK output. Rob From: foxdelta@yahoogroups.com [mailto:foxdelta@yahoogroups.com] On Behalf...
556
foxdelta
vu2fd
Apr 24, 2013 3:11 am
Hello Not clear to me what exactly you are asking. Which project are you referring? 73s/Dinesh Gajjar...
557
tom armour
tom_armour
Apr 28, 2013 1:33 am
I finished building the AAZ-0912 kit the other day. I have it up and running with the 4.0 firmware and software. When I hook up a wire antenna to it the SWR...
558
catjal2000
Apr 28, 2013 1:34 am
I have the antenna anlyzer AAZ-0612 with a 30 mhz DDS osc i would like to upgrade to "SW/FW" ver 4.0 what osc. do i use for ver 4.00 SW/FW 30mhz or 125mhz?...
559
foxdelta
vu2fd
Apr 28, 2013 1:43 am
Hello Updating V4 FW/SW on AAZ-0612 boards requires no modifications. No need to change DDS OSC if DDS is AD9851. Mod is required on 0612 boards only if you...
560
foxdelta
vu2fd
Apr 28, 2013 1:43 am
Hello Tom Thank you for details. Most likely this happens for the reasons that RF sent to antenna by our small ADA amplifier is not strong enough for long...
561
Philip
p19547ct
Apr 28, 2013 12:00 pm
If it's any help, this is a plot of my 132' Windom using the kit. Normaly, I use an ATU but this is the bare Windom fed directly and it shows the natural...
562
va3smm
Apr 29, 2013 1:56 am
Preliminary: I received the kit in good time, parts list checked out, cleaned up the board and installed all parts. I examined all solder joints to ensure...
563
foxdelta
vu2fd
Apr 29, 2013 2:00 am
Hello If you could update to V4, PIC and 20MHZ osc are working good. You have not mentioned if 10MHZ is present at BNC without PC connected and if you have...
564
curlington@...
curlington...
May 5, 2013 1:48 am
Hi Folks: I have fought my way through many issues where more organized documentation would have saved time. So I have now updated my firmware from 3 to 4...
565
i2tzktony
May 5, 2013 7:30 am
Hi Earl thanks you for your comments very useful, appreciate. I'll take into account revising the user manual. - Flashing diode: please ref to "User Guide...
566
tom armour
tom_armour
May 6, 2013 5:03 am
Tony, Can you comment on my question below from last week? Look at the link in the first e-mail. I have made some progress. I have changed the VRef Plus (mV)...
567
i2tzktony
May 6, 2013 8:17 am
Hi Tom not so easy to identify where is the wrong component, so please do the following tests and let me know results: 1- connect the board to the pc, launch...
568
tom armour
tom_armour
May 7, 2013 3:09 am
OK, I did all the tests and the unit appears to be working as expected. I e-mailed you a link to my google+ album of the screenshots and pictures of the scope....
569
va3smm
May 8, 2013 4:08 am
Dinesh: Thank you for your comments, here's what I've done since: I updated dotnet framework, no improvement. Because there was no further recognition of the...
570
curlington@...
curlington...
May 8, 2013 8:11 am
Links to my posts on the kit: http://forums.qrz.com/showthread.php?390256-Fox-Delta-Antenna-Analyzer-Kit-AAZ-0912 http://www.eham.net/reviews/detail/7842 ...
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Graham
ve3ghm
May 8, 2013 11:13 am
I recently set up my SWR analyzer on a different computer that did not have any of the dotnet stuff installed. It was a WinXP machine and I needed to first...
572
Daz H
bigboy1800...
May 8, 2013 6:47 pm
If you have a ham radio you should be able to generate frequency from the Analyzer and tune the radio to 10mhz and hear the oscillator on your radio, thats...
573
tom armour
tom_armour
May 8, 2013 9:17 pm
Maybe I didn't make myself clear. I still have the problem, but the tests come back as expected from the documentation. I went back and double checked all of...
574
Daz
bigboy1800...
May 9, 2013 5:07 am
If you have a ham radio you should be able to generate frequency from the Analyzer and tune the radio to 10mhz and hear the oscillator on your radio, thats if...
575
i2tzktony
May 9, 2013 5:44 am
Hi Tom could you please measure the voltage at pic pin5 ? This is the VRef used to make measures it must be 2.5V or a very close value, generally from 2.49V to...
576
tom armour
tom_armour
May 9, 2013 12:10 pm
The pin5 voltage is 2.506V I will need to do the antenna test when I get home from work in about 9 hours. I will use my Bird watt meter and do forward and...
577
tom armour
tom_armour
May 10, 2013 9:55 am
I had issues measuring the low power setting. My slugs for the Bird 43 are all fairly high power. The smallest one I have is 50W on the HF band.The radio I...
578
va3smm
May 18, 2013 3:09 am
Dinesh: I'm happy to report thay all is working well and I believe there was never any hardware problem with either your kit or my assembly. Although I had...
579
g4xcp_uk
May 19, 2013 1:22 pm
Have any members produced a circuit diagram of both a sound card to transceiver interface but also the rs 232 usb control for the transceiver. I have both...
580
foxdelta
vu2fd
May 19, 2013 1:31 pm
Hello We are at the end of project with soundcard interface SC2 but this one has both TTL/RS232 and VOX for operation. Please check...
582
i2tzktony
May 21, 2013 12:21 pm
The new SWRA User Guide v4.00 is available for download from my website: ...
584
john_galts_gulch
john_galts_g...
May 25, 2013 5:16 am
I received an assembled AAZ-0912 today. Works great, right out of the box. The soldering and assembly quality are very good, and the case is better than I...
585
i2tzktony
May 25, 2013 12:35 pm
Hi guys I'm looking for a person well skilled in JAVA programming available to developpe the ANDROID version of SWRA program. Please pvm me. Thanks, 73's Tony...