I have an old SB-401 here. It does not use an audio tone for CW. It uses
the conventional method of unbalancing the mixer to produce CW.
Carl Moreschi N4PY
Franklinton, North Carolina
n4py@earthlink.net
----- Original Message -----
From: "Ken Brown" <ken.d.brown@verizon.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Wednesday, April 27, 2005 2:48 AM
Subject: Re: [TenTec] cw creation
> Hi all,
>
> In the discusion about the audio tone input to a SSB mode transmitter as
> the method of CW generation we have identified four rigs that do this,
> so far:
>
> The Collins 32S-1 (maybe) and KWM-2, the Sunair GSE-924, and the SBE-34.
>
> These all have something in common (with perhaps the Collins 32S-1 being
> the exception): They are primarily SSB rigs, that also have CW
> capability. None of them was really intended to be a top notch CW rig.
>
> I don't have schematics or manuals for any of them, so I cannot check. I
> once had a Heath SB-301 and 401, which I understood to be designed by
> engineers who defected from Collins, and were very similar to the
> Collins S line. I don't remember whether the SB-401 used a audio tone
> input to the balanced modulator to produce CW. Anyone out there happen
> to know? And what about the 32S-1? Did it do that, or not?
>
> DE N6KB
>
>
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