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Messages 6255 - 6284 of 7461   Oldest  |  < Older  |  Newer >  |  Newest
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6255 Bob Bownes
bownes Offline Send Email
Nov 2, 2010
2:35 am
Got my VNA working last week, got it assembled into the enclosure over the weekend. Works quite nicely. Thanks to everyone for the diagnostic assistance. Bob ...
6256 Paul Kiciak
n2pk2001 Offline Send Email
Nov 2, 2010
8:15 am
Congrats, Bob! 73 Paul N2PK...
6257 glenn
bellettau Offline Send Email
Nov 4, 2010
9:06 pm
Is there any further information re if Art is still supplying a kit of parts? Glenn vk3pe...
6258 Paul Kiciak
n2pk2001 Offline Send Email
Nov 4, 2010
9:21 pm
Hi Glenn, I've not received any response from Art to a direct email about a month or two ago. 73 Paul N2PK...
6259 glenn
bellettau Offline Send Email
Nov 4, 2010
9:33 pm
Thanks for reply Paul. I have finished my own VNA and loving it and a friend is now fired up to build one also. Glenn...
6260 chinaspp2000 Offline Send Email Nov 8, 2010
4:07 pm
I am from China.This is my N2PK VNA,I build it in a 4-layer PC board. the adc is isolated from MCU.I change the reference to ADR421.. ...
6261 chinaspp2000 Offline Send Email Nov 8, 2010
4:10 pm
... http://www.hpvna.net/100_9199.JPG...
6262 Andrey
kotarak71 Offline Send Email
Nov 8, 2010
5:07 pm
Not really sure what we are looking at - seems like a sheet of paper with component placements but can't see much from this angle. btw. The picture is not very...
6263 Paul Kiciak
n2pk2001 Offline Send Email
Nov 8, 2010
5:17 pm
Hi, We would like to see your VNA but this link does not work: <http://www.hpvna.net/vnc-c5.pdf> -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com...
6264 Paul Kiciak
n2pk2001 Offline Send Email
Nov 8, 2010
5:20 pm
Hi, This link works: <http://www.hpvna.net/vna-c5.pdf> -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com...
6265 Paul Kiciak
n2pk2001 Offline Send Email
Nov 8, 2010
5:31 pm
Hi, Congratulations! Please post pictures of your completed PCB. -- 73, Paul, N2PK See the N2PK VNA at: http://n2pk.com...
6266 w4zcb
w4zcb@att.net Offline Send Email
Nov 8, 2010
5:44 pm
... And provide an option when you get ready to market it, to use some quality connectors. The BNC's are about as bad as you can get. W4ZCB...
6267 Bob Kellogg
ae4ic@att.net Offline Send Email
Nov 8, 2010
7:49 pm
Guys, I'm going to wander a bit, so please stay with me. I can use any advice you are willing to offer. My VNA is one of the early ones, single detector. I...
6268 david529007 Offline Send Email Nov 8, 2010
10:33 pm
Hi Bob If you installed myVNA, you do not need to create the text files for the registry changes - they are sitting in the subdirectory of "Parallel Port...
6269 Dave
g4ugm Offline Send Email
Nov 8, 2010
10:51 pm
Well my rev 5.2 PCBs arrived "in the rainy city of Manchester" as our local internet repeater GB3PZ announces itself, from Ivan (makarov.ca) so now I need the...
6270 R Wall
radioaustral... Offline Send Email
Nov 8, 2010
10:55 pm
Hi Bob, Whenever I solder any IC onto a PC Board I always use Harold Johnson’s (w4zcb) low voltage tester to check the connections, this tester was used in...
6271 bownes Offline Send Email Nov 8, 2010
11:19 pm
For what it is worth, I use Mouser, which allows you to save and share a bill of materials. As well as being a few pennies cheaper....
6272 Ivan Makarov
ve3ivm Offline Send Email
Nov 8, 2010
11:35 pm
Hi Dave, havent checked Digikey lately if they got anything better then their BOM Manager which I found useless. Two-three years ago I did have a few BOMs ...
6273 Dave
g4ugm Offline Send Email
Nov 8, 2010
11:43 pm
will they ship to the UK? Do they have all the parts? ... From: N2PK-VNA@yahoogroups.com [mailto:N2PK-VNA@yahoogroups.com] On Behalf Of bownes Sent: 08...
6274 chinaspp2000 Offline Send Email Nov 9, 2010
12:03 am
... This female BNC is 50 ohms,I have tested it by Agilent 5071C VNA.....
6275 chinaspp2000 Offline Send Email Nov 9, 2010
12:08 am
... I am really sorry,It seems that pdf file is not supported in my host,I have uploaded the zip file below: http://www.hpvna.net/vna-c6.zip it's OK....
6276 chinaspp2000 Offline Send Email Nov 9, 2010
12:09 am
... The PCB will be delivered in 5 days. I have post it to PCB factory....
6277 chinaspp2000 Offline Send Email Nov 9, 2010
12:10 am
... Sorry.It's my mistake....
6278 chinaspp2000 Offline Send Email Nov 9, 2010
12:19 am
... Fistly I this BNC is not suitable in the N2PK VNA,But when I have tested it I found the insert loss is very very low,I think it's OK....
6279 chinaspp2000 Offline Send Email Nov 9, 2010
12:33 am
... This is some files about PCB: http://www.hpvna.net/aboutpcb.zip...
6280 w4zcb
w4zcb@att.net Offline Send Email
Nov 9, 2010
12:41 am
... Fistly I this BNC is not suitable in the N2PK VNA,But when I have tested it I found the insert loss is very very low,I think it's OK. It's not the...
6281 chinaspp2000 Offline Send Email Nov 9, 2010
12:43 am
... Here is 2 pics of the AMP BNC connector. http://www.hpvna.net/100_9201.JPG http://www.hpvna.net/100_9200.JPG...
6282 chinaspp2000 Offline Send Email Nov 9, 2010
12:51 am
... I got it..but SMA connector with high quality is diffcult to find in China,except order from the agent,But the quantity is at least 1000 pcs.I test the...
6283 Paul Playford
paul_playford Offline Send Email
Nov 9, 2010
1:56 am
I have used BNC connectors on my vna for over a year with a lot of use and I have yet to observe any repeatability problems between 50 KHz and 60 MHz because...
6284 chinaspp2000 Offline Send Email Nov 9, 2010
2:22 am
... THX! I tested the AMP RF BNC connector,It performance well,So I still use BNC connector~ CHINASPP2000...
Messages 6255 - 6284 of 7461   Oldest  |  < Older  |  Newer >  |  Newest
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