[Milsurplus] Connecting ART-13 to 50 Ohm Feedline

Thu, 21 Nov 2002 14:31:56 EST

Ken, Dennis & Group,

I have some CU-24/ART-13's.  However they are only triple 25pf's @ 10KV.  

In a message dated 11/21/2002 3:06:12 AM Central Standard Time, 
[email protected] writes: 
> Re: [Milsurplus] Connecting ART-13 to 50 Ohm Feedline
> To: [email protected], [email protected]
> 
> 
> >Any advice, comments, suggestions, on the best way to match an ART-13 to
> >a 50 ohm coax feedline and antenna?=A0 I assume it will drive 400 ohm
> >ladderline directly
> >
> 
> Ken,
> 
> You have to add shunt capacity between the antenna terminal and ground.   A
> wide range of values will work.   I use 100 pf for 20M, 200 pf for 40 &75
> and 800 pf for 160M.   (Additional mods in the osc. and buffer stages are
> required for operation across the 160M band.)

73
Robert Downs
Houston
<[email protected]>

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