Re: [TowerTalk] VNA2180 CM Test Jig

[Martin A Flynn <maflynn@theflynn.org>]

http://www.cosmtec.com/products.asp?Page=3&pname=N+RF+Connector&pfid=4&flev=2&puid=14&N+RF+Connector.htm

Martin, W2RWJ


On 1/9/2018 9:52 PM, Martin Sole wrote:
> Yet they must be made. Bird, who may well make them for their own use 
> mind, uses a 'N' - male 4 hole flange mount on some of it's dry dummy 
> loads and maybe other products. I suppose if you really needed them :)
> Martin, HS0ZED
>
>
>
> On 10/01/2018 09:33, Paul Christensen wrote:
> > Owners of the VNA2180 vector network analyzer may have an interest in a
> > simple CM test jig I created using DipTrace PCB software.  I recently
> > ordered a set of boards from Bay Circuits and if it works as planned, 
> > I'll
> > make the Gerber files available free of charge through my QRZ.com page.
> >
> > The board measures 3.3" x 0.75".  A pair of in-line male BNC connectors
> > mount flush to the PC board.  These are scarce items but can be found 
> > on the
> > auction site.  To the best of my knowledge, neither Amphenol, nor any 
> > other
> > large-scale RF connector manufacturer makes these special connectors,
> > especially in an N style.  That forced me to use male BNC PCB connectors
> > which will adapt nicely to a common female BNC-to-Male N between-series
> > adapter.  I noticed that G3TXQ did something similar with his jig; 
> > perhaps
> > he ran into the same issue.
> >
> > The board is single-sided copper and solder-masked with ample pour
> > protection between the BNC center pin and surrounding ground plane.
> > Connector centers are 2.5-inch to match the N connector spacing on the
> > VNA2180.  More info after the boards arrive...
> >
> > Paul, W9AC
> >
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