[Heathkit] TS-850 & SB200

[Stephen Goldberg]

at www.harbachelectronics.com you can buy the soft-key module for $25.00.
Been using it in my SB-200 for years with no problem.
Steve W4IMF

----- Original Message ----- 
From: "jeremy-ca" <km1h at jeremy.mv.com>
To: "Paul Gondos" <pgondos at hotmail.com>; <Heathkit at mailman.qth.net>
Sent: Monday, August 21, 2006 9:32 AM
Subject: Re: [Heathkit] TS-850 & SB200


> If you connected the 850 to the SB200 relay terminals you have probably
> fried the 850 switching transistor.
> The 200 uses -125VDC to switch and newer rigs need an intermediate circuit
> to be compatible.
>
> QST for 1/88 has a Hints & Kinks circuit which is easily duplicated and
> works well. It can be built using a pair of terminal strips or some perf
> board. Parts cost from Mouser is around $5.
>
>  Some other circuits, using an IC, work but are very susceptible to any
> instability in the amp.
>
> Carl
> KM1H
>
>
> ----- Original Message ----- 
> From: "Paul Gondos" <pgondos at hotmail.com>
> To: <Heathkit at mailman.qth.net>
> Sent: Sunday, August 20, 2006 7:18 PM
> Subject: [Heathkit] TS-850 & SB200
>
>
> > Hi:
> > I have the rig hooked up to the amp with the SWR at 1:1 and 100 watts
> > out.I put the METER SWITCH in the PLATE position and put the AMP on.
With
> > NO driver output from the rig I get no idling plate current at all, when
> > it should be at 90 ma. I need help !! Thanks.
> >
> > Paul, KA3JOI
> > pgondos at hotmail.com
> >
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