Hi to all. I have finished my VNA and just started testing it all out, at first I could not get the VNA to work with the GNAT program but used the User port...
... Congratulations! ... these ... There are details of my own purchasing experiences at: http://www.ifwtech.co.uk/g3sek/in-prac/index.htm I will NOT be doing...
Thank you for your kind remarks. Also thank you for pointing me in the right direction to get hold of the Valpey Fisher units. I have been using the GNAT...
Everything is working 100% now with the LAPTOP and the home PC. The problem was with the Laptop was the Battery I was using to power the VNA with,,, it was not...
make sure you have a good battery pack. When I had the VNA connected to the LAPTOP it kept saying that the ADC was not connected to the DSO line and then I...
Iam trying to test out the other Windows Software Cialog which looks easy to use. I have set it all up BUT after going to New Capture and entering the new...
So I am putting a length of 50 Ohms cable about 20 feet BUT when you run the program it REPORTS ABORT DUE TO VNA ERROR (DATA OVERFLOW) Your open should be a...
Quite normal!!! Every time you change parameter to VNA's you have to CALIBRATE. THAT IS STANDARD FOR ALL VNA'S AND SPECTRUM ANALYSERS (Vy 73 de OZ6YM) THE...
Hi Harold Thanks for your reply. I have now been able today to calibrated the VNA using N2PK Software just using the Reflected program by doing the open...
Hi David, ... I don't know about W8WWV's program, but if the something similar happens with one of my programs, that would likely indicate a problem with your...
The note, being a graphic, didn't make it into my last post. ... DC Voltage Measurement conditions: 1. measured thru 10 k res. to 10Meg DVM 2. RF & LO DDS @ 10...
75
Peter Frenning, OZ1PIF
oz1pif@...
Dec 21, 2004 5:40 pm
You did alright Paul, it did make it to OZ-land (not the one down under - the one in Northern Europe, that is) Merry X-mas and a happy new year to all Vy 73 de...
Sorry for the delay Paul but checked everything out on the board and have been running your software tonight . I first of all run your Debug program to check...
... then did ... It won't do that unless something is wrong, David. I still suggest you check the DC voltages in the detector as receommended earlier. -- 73, ...
... Printing directly from DOS apps is a career unto itself. Try a Windows copy & paste - that's the way I do it. -- 73, Paul, N2PK See the N2PK VNA at: ...
Hi Paul Done all the measurements and all ok as you suggested. I did another test tonight on a 50 Ohm high precision load against the calibrations and the...
Hi Dave, Used to be able to hit Shift - Print Screen on the keyboard in DOS to print the screen. Don't know if it still does that or not. I use Alt-PrtScr in...
... Seems to be, as you say, but there still shouldn't be a sensitivity to +12V - something's wrong somewhere. Keep looking as you may not have the stability &...
Hi Paul It was the computer playing up as regards the 12Volts because all I did was to reboot the machine and no further instability with being able to run the...
It could be that I need to take out my Switch Box as you suggest in your article as I am able to Switch to my Printer from the Switch Box and maybe not a good...
The other programs I have tried but just get a whole load of the wanted maths but am I right in saying that they do not output a Graph on the screen from the...
I have uploaded 3 Photos of the finished VNA under the Heading Photos on the Yahoo Groups Website Tnx, Dave. Looks good. If others of you care to upload pixs,...
On Thu, 23 Dec 2004 14:10:48 +0000, you wrote: Hi Paul WOW I am really cooking with Gas and Air now as I have had a intermittent fault around one of the LT...
90
Peter Frenning, OZ1PIF
oz1pif@...
Dec 23, 2004 6:11 pm
Did you ever get mine Paul? I emailed it to you several month ago, but I've not seen it appear on your homepage along with the others Merry X-mas and a happy...
... Yes, I did get them Peter. Sorry to be slow in getting them posted. One reason I encouraged Dave to post his here. I am short on website space for further ...
Hi Dave, ... Yup - that has happened to at least two of us. Surface mount can be a little trickier that way than thru-hole. -- 73, Paul, N2PK See the N2PK VNA...
