I have placed and order for 29 oscillators due to ship to me on September 8'th. I have been able to incresed the order to 60 units. All units will ship to me...
All oscillators were shipped out today using either Global or Domestic Priority Mail (except Italy -- need to use "Air Mail"). I still have a few oscillators...
I've been trying to get at this site to download the build info, but alas the site is not available. Hopefully only a temporary outage? Brian VE7JKZ...
Works OK here. W4ZCB I've been trying to get at this site to download the build info, but alas the site is not available. Hopefully only a temporary outage? ...
Well, mine's down now, must be a yahoo thing W4ZCB ... From: brian_ve7jkz To: N2PK-VNA@yahoogroups.com Sent: Tuesday, September 12, 2006 3:25 PM Subject:...
I'm finding both the link from this site "Where it all started" on the Links section; as well as my bookmark "N2PK Amatuer Radio Projects Page" (via adelphia)...
Hi Brian, N2PK.COM just points to my Adelphia website. It appears that all of <http://users.adelphia.net> is currently down. I'd call or chat with them but...
Tnx for the update Paul. Some of these ISPs are frustrating so glad it's not at my end. I've got the boards, am expecting the osc from Eugene any day, have...
The HP 8505A was the VNA I used the most while working. The HP Journal had an overview of the 8505A: <http://www.hparchive.com/Journals/HPJ-1976-07.pdf> There...
Hi Eugene, I received it in best conditions. Thanks de DL7UDP Dieter *********************** Dieter Palme dl7udp Abensbergstrasse 47 80993 München Germany ...
Earl, I think this is a very worthwhile project to build. You need to go through the list to figure out how to go about it. I am not aware of any parts that...
I am laying out companion power supply board for the N2PK-vna that will include the DB25 connector, a Power Connector, and support the use and charging of a...
Hi All, offering for sale some extra MC1496 mixer ICs (SMT), shipping worldwide included : $5/2 $7/4 $9/6 Please reply direct left at rogers com Thks. Ivan ...
I have a couple of observations plus a question concerning the VNA pcb parts list from Part 2 of Paul's articles. 1. Part number for J220 is listed as...
Hi Brian, beside the fact that building a Bill of Materials is a hard job by itself, the suppliers often update their inventory. Something that is available...
Hi Ivan: Yes indeed, BOMs can be tricky and things change which is why I didn't think I was uncovering anything new. I'm building the original single detector...
Hi Brian, As a follow-up to Ivan's comments, one feature of my including the manufacturer's part numbers in my original BOM is that permits the builder to...
... As the developer of the VNA, Paul needs to disconnect and change the boards quite frequently, so reliable connectors are a high priority for him. "The rest...
Hi Ian, Good points. My comments were made assuming the user would want to make the PCB removable which isn't always required, as you say. Soldering results in...
While this article primarily shows effects of test cable flexure at 30 GHz, there are some general bits of info that are applicable to any VNA and may be of...
Thanks for that background info Paul. I've not heard of tin-gold icompatabilities but seeing them far apart on a table of dissimilar metals did raise a flag. I...
Thanks for that background info Paul. I've not heard of tin-gold icompatabilities but seeing them far apart on a table of dissimilar metals did raise a flag. ...
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