Re: gEDA-user: Contact reliability

[Dave McGuire <mcguire@xxxxxxxxxxxxx>]

On Jan 19, 2005, at 2:51 PM, Igor Izyumin wrote:
> > Currently, Ronja is using wire nuts. We haven't yet noticed a failure 
> > tracked
> > down to a wire nut and they are mechanically rugged. Also they seem 
> > to perform
> > fairly well up to say 300MHz (when the incoming and outgoing cables 
> > are
> > impedance-matched coaxials) according to edge observations on 
> > oscilloscope.
> Technically, these aren't wire nuts, they are terminal strips.  Wire 
> nuts are used (at least in the USA) as a sloppy (but code-compliant) 
> way to connect power wires together (you twist the cables together and 
> screw on the wire nut).  Here's a picture of some: 
> http://www.dansmc.com/wire_nuts.jpg

  Ugh.  I despise wire nuts.

> What's wrong with high-quality gold-plated BNC connectors?  If it 
> won't be exposed to weather, they will work very well.

  TNC connectors are similar in size to BNCs, but are weatherproof if 
properly installed.  They also handle higher frequencies better than 
BNC.

           -Dave

--
Dave McGuire              "I've watched Harley people throw up
Cape Coral, FL                      on the ceiling."    -Krissi