[Boatanchors] SB-10 SSB Adapter

[Bob Young]

Thanks Glen for the info, if I want SSB I'll get another transmitter, I'm 
much more interested in AM anyway and don't want to hack up a nice old 
transmitter,

Bob
KB1OKL


>From: Glen Zook <gzook at yahoo.com>
>To: Bob Young <youngbob53 at msn.com>, heathkit at mailman.qth.net,  
>boatanchors at mailman.qth.net
>Subject: Re: [Boatanchors] SB-10 SSB Adapter
>Date: Wed, 14 Mar 2007 10:33:38 -0700 (PDT)
>
>The DX-100 and DX-100B require a modification kit to
>use the SB-10.  The DX-100 requires drilling of holes
>in the rear of the chassis to install two SO-239
>connectors for the SB-10 interface.  The DX-100B
>already has these holes.
>
>In addition Heath recommended pulling the tubes used
>in the AM modulator of the DX-100 series if SSB
>operation was used to any extent.  This was to reduce
>the load on the power supply.
>
>Now the VFO stability in the DX-100 series is VERY
>marginal for SSB.  I installed the SB-10 modifications
>in my original DX-100 back in 1966 and found that the
>VFO just wasn't stable enough.  So, I modified my MT-1
>Cheyenne mobile which has basically the VFO from the
>Apache and that worked very well even though the MT-1
>has a single 6146 in the final instead of the two 6146
>tubes in the Apache and DX-100 series.
>
>For its day (late 1950s early 1960s) the SB-10 phasing
>SSB exciter was a viable way of getting on SSB at a
>reasonable cost.
>
>As for the power:  You will get the same power from
>the DX-100 as with the Apache.
>
>Glen, K9STH
>
>
>--- Bob Young <youngbob53 at msn.com> wrote:
>
>Is this unit a plug in for a DX-100, or would I need
>to fudge it in? Would I get full output with one of
>these? Are they practical besides the fact that they
>turn AM into Donald Duck sound?
>
>
>
>
>
>
>
>
>
>Glen, K9STH
>
>Website:  http://k9sth.com
>
>
>
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