[Kenwood] ts 830s

[rbethman]

Thanks Ray!

I've a TS-820S on shelf.  Never dealt with a TS-830S.  Memory does not 
serve well where the changeover occurred.

Bob - N0DGN

On 2/9/2013 1:18 PM, RAY FRIESS wrote:
> I have a TS 830.  I use direct keying of a 30L-1 by just running a 
> cable between the two.
> It uses the 120 volt relay keying...
>
> As a general rule, any transmitter with tube finals will use direct 
> keying.  The newer rigs with
> solid state final sections will require the intermediate relay keying 
> of an amplifier that uses tubes.
>
>
>
> > Date: Sat, 9 Feb 2013 12:24:48 -0500
> > From: rbethman at comcast.net
> > To: kenwood at mailman.qth.net
> > Subject: Re: [Kenwood] ts 830s
> >
> > How new is the Amplifier? If from the '80s it most likely has
> > 120VDC/120VAC relay.
> >
> > Depends on whom made the amplifier.
> >
> > 1) Some have a 12VDC relay inside. That instance will not require such.
> >
> > 2) Many have 120VDC/120VAC relay. This indeed requires external relay
> > with 12VDC/12VAC supply to key the Amplifier, thereby protecting the
> > TS-830S. My TS-930S is in this category.
> >
> > Having said this, I have screwed up and keyed the Amp direct with the
> > mini din jack. There has been no ill effects. I'm not going to push my
> > luck! I'm bread-boarding up a Potter & Brumfield [sic} relay @ 12VDC
> > with an old Rat-Shack transformer. Will use a pair of NO contacts to
> > key the amplifier.
> >
> > Another method would be to build it IN the amplifier and reduce 
> piles of
> > extra junque on the bench.
> >
> > So many options, so little.....
> >
> > Bob - N0DGN
> >
> > On 2/9/2013 11:55 AM, w3bj at juno.com wrote:
> > > Does the TS 830s need a buffer to for keying the newer amplifiers? 
> I know the older Heathkits did but not sure of the 830.