[Amps] Ten-Tec Titan 10 Meter Input SWR

[Carl]

----- Original Message ----- 
From: "Jim Thomson" <jim.thom at telus.net>
To: <amps at contesting.com>
Sent: Wednesday, June 14, 2017 1:10 PM
Subject: [Amps] Ten-Tec Titan 10 Meter Input SWR


> Date: Mon, 12 Jun 2017 00:38:47 -0400
> From: "Gary Smith" <Gary at ka1j.com>
> To: amps at contesting.com
> Subject: Re: [Amps] Ten-Tec Titan 10 Meter Input SWR
>
> <I really appreciated the Amp Supply tuned
> input I put in the 4-1000A amp I made back
> in the 90's. It was pure simplicity and
> worked so well. I put one in a SB-220 as
> well with the same wonderful results.
>
> 73,
>
> Gary
> KA1J
>
> ##  I believe the amp supply tuned input board used arco compression
> caps for both C1 + C2..and a fixed torroid for the coil.    The arco 
> compression
> caps were padded on 160m.  I think the biggest arco I have is aprx  1600 
> pf.
> They ranged from  200 pf up to aprx 1600 pf.  Arcos have a limited min-max 
> range,
> which is still ample for any tuned input.   Typ would be like 200-500 pf 
> etc.
>
> ##  It was ideal for folks with HB amps, and anything else.  Just tweak 
> both caps
> for flat swr, then repeat for each band.
>
> Jim   VE7RF


** On the higher bands there was plenty of room to tweak the coil spacing 
which helped to balance 15/17 and 10/12 VSWR along with the variable caps.

Carl





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