> -----Original Message-----
> From: skipp isaham [SMTP:nospam4me@juno.com]
> Sent: Monday, February 11, 2002 10:59 PM
> To: amps@contesting.com
> Subject: [AMPS] mini Teflon coax, the white stuff
>
>
>
> Hello Amps Members,
>
> I'm trying to source a supply of 50 ohm Teflon type/style
> coax, the "smaller sized" white stuff.
>
> Some solid state VHF&UHF Amplifiers use this coax
> for internal paths. There are two sizes that I know about.
> One size is a reduced RG-58 type, another even smaller
> heading down to the RG-174 type.
>
::The RG58-sized Teflon coax is RG142 (solid conductor) or RG400
(stranded conductor). The RG174-sized Teflon coax is RG178 or RG196, and
the stuff that's a tad smaller than RG174 is RG188 or RG316. All are PTFE
with silver-plated conductors. Don't use much of the "small stuff," it's
extremely lossy (RG188, for example, is 16.7 dB/100' at 400 MHz. Even 5
feet has measurable loss.)
73, Steve, WB2WIK/6
> What I need is the RG-174 type of Teflon coax. None of
> the white type found in amplifiers has a type or part
> number indicated. I'd like to find a retailer or small
> quantify for a UHF amplifier rebuild and a few other
> projects. I'd even settle for the larger 58 size stuff if
> I can find it.
>
> Any help...?
>
> thanks
> skipp
>
> nospam4me@juno.com
>
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