[BULK] - Re: [TowerTalk] PL-259 vs N

[Steve Katz]

Hi Kelly,

Maybe, but in general this has not been a problem.  The problem is that
because of the blind mate, you just can't see if the assembly is going
together properly.  100% hipot testing weeds out potential problems and
mechanical damage, if it occurs, is obvious by visual inspection.

Andros, however, is a screw machining company primarily and I don't believe
they even possess RF test equipment, so although they make nice mechanical
stuff (I have no complaints about quality, my only complaint involves the
design!), I wouldn't put them in the same league as an RF house like
Amphenol, Kings, Trompeter, et al.

The 2-pc Ns I use by the bushel are used primarily at baseband video,
relatively low frequencies, so if they don't perform well at 3 GHz it's of
no importance.  I have swept a couple of cable assemblies made using these
connectors (at home) and they were good up through 440 MHz...at 1.2 GHz,
they don't perform as well as standard military 5 or 6-piece type Ns like
UG21D or UG21B...

73

WB2WIK/6

-----Original Message-----
From: ve4xt at mts.net [mailto:ve4xt at mts.net]
Sent: Friday, April 30, 2004 9:26 AM
To: Steve Katz
Subject: Re: RE: [BULK] - Re: [TowerTalk] PL-259 vs N


Sounds like the 'blind mate' is also inviting future 
conductivity problems as well.

73, kelly
ve4xt


> From: Steve Katz <stevek at jmr.com>
> Date: 2004/04/30 Fri AM 09:28:49 CDT
> To: 'Dino Darling' <k6rix at earthlink.net>,  
towertalk at contesting.com
> Subject: RE: [BULK] - Re: [TowerTalk]  PL-259 vs N
> 
> 
> 
> > There is an N-Connector made by Andros that 
installs just like a PL-259!
> > 
http://www.universal-radio.com/catalog/parts/4505.html
> > 
> > //Bear in mind the two-piece "UHF-like" type N 
connectors are for use with
> > solid center conductor cables only.  The internal 
mate of cable conductor
> > to center pin is a "blind" mate, that you cannot see, 
and the slightest
> > misalignment can cause bad results, e.g., having a 
strand bend and short
> > to the outer conductor, or with solid conductor lines, 
the center
> > conductor can push the connector center pin and 
dielectric out of
> > position, resulting in a useless connector.  If you 
use them only with
> > solid conductor cables and care, they work fine; but 
the internal blind
> > mate has surely caused problems for many.  
-WB2WIK/6
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> 
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