I found the mods in 'ch 1' worked VERY well in my dad's old sb-200

http://www.xs4all.nl/~pa0fri/Lineairs/SB200/sb200eng.htm

worked very well...now I think the HV tranny is under-sized !!

FWIW, w5xz, dan 

--- On Sat, 3/19/11, Brian Lloyd <brian-wb6...@lloyd.com> wrote:

From: Brian Lloyd <brian-wb6...@lloyd.com>
Subject: Re: [Flexradio] Flex-3000 and SB-200
To: "Luke Rainville (WebMail)" <k...@comcast.net>
Cc: "Flex Radio" <FlexRadio@flex-radio.biz>
Date: Saturday, March 19, 2011, 6:20 PM

On Sat, Mar 19, 2011 at 10:17 AM, Luke Rainville (WebMail) <k...@comcast.net
> wrote:

> Hugo,
>
> The Flex 3000 can key an SB-200 directly and safely. I am doing so here.
> There is no need for an external buffer. Thank you Flex for reinventing the
> humble relay.
> Refer to page 56 of the 3K manual for the specs.
>

I just got an SB-200. My plan is to modify the keying circuit in the SB-200
to make it compatible with open-collector TTL levels. Then it won't matter
what rig the SB200 is connected to. ;-)


-- 
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com
+1.767.617.1365 (Dominica)
+1.931.492.6776 (USA)
(+1.931.4.WB6RQN)
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