[TMC] Sideband Exciters
Chris Bolkan
bolkyboats at gmail.com
Fri Aug 27 20:55:40 EDT 2021
Yes, I did not see the attachment :-(
Chris
On Fri, Aug 27, 2021 at 5:14 PM Richard Knoppow <1oldlens1 at ix.netcom.com> wrote:
>
> I don't think the list takes attachments. Looking at the list
> folder in my computer I don't see any attachments. I am not sure
> but I think Mailman may not take attachments on any of its lists.
>
> On 8/27/2021 2:23 PM, W2HX wrote:
> > I had made a little spreadsheet of some differences I found in the manuals a few years ago. Hope the file makes it through.
> >
> > Sent from Nine<http://www.9folders.com/>
> >
> > ________________________________
> > From: BERMAN <triodes at optonline.net>
> > Sent: Friday, August 27, 2021 2:52 PM
> > To: Meir Ben-Dror WF2U; Nick England
> > Cc: George W1LSB via TMC
> > Subject: Re: [TMC] Sideband Exciters
> >
> > Meir, thanks for the input on the SBE-series of exciters.
> >
> > I have a model SBE-2A (not SBE-2) exciter integrated within my GPT-750. Do you (or anyone else here) know how the SBE-2A differs from the SBE-2 or the later SBE-3?
> >
> > I ask this as I was unaware that the SBE-3 and later variants were less of "a pain in the neck" when compared to those units that were of the earlier pre-SBE-3 design.
> >
> > 73,
> >
> > Bruce, W2XR
> >
> >> On August 27, 2021 at 2:18 PM Meir Ben-Dror WF2U <wf2u at ws19ops.com mailto:wf2u at ws19ops.com > wrote:
> >>
> >>
> >> Chris,
> >>
> >> Nick is correct of course, but as TMC master oscillators are concerned, besides the VOX series, you can also use a PMO if you need only one output. Another advice: the older SBE-2 is a pain in the neck, but the SBE-3 (and up) is much better and if needs to be, easier to align.
> >> Here is my multi-mode 350 W TMC system I put together; I had enough space in the rack to mount the GPR-90RXD receiver in it as well, and a homebrew dual speaker panel, for single rack integrated station. I have a PMO in there, because the VOX I have needs some work, but I'll keep the PMO in the system.
> >>
> >> 73, Meir WF2U
> >> Landrum, SC
> >>
> >> Get BlueMail for Android
> >>
> >> On Aug 27, 2021, 1:59 PM, at 1:59 PM, Nick England <navy.radio at gmail.com mailto:navy.radio at gmail.com > wrote:
> >> >Yes you also need a variable master oscillator like the TMC VOX
> >> >(O-330).
> >> >Otherwise the SBE can run crystal-controlled and has a switch for
> >> >multiple
> >> >crystals. For many government and commercial applications, crystal
> >> >control
> >> >was fine.
> >> >Hey, it’s TMC.
> >> >
> >> >
> >> >On Fri, Aug 27, 2021 at 1:31 PM Chris Bolkan <bolkyboats at gmail.com mailto:bolkyboats at gmail.com >
> >> >wrote:
> >> >
> >> >> Hi TMC lovers!
> >> >>
> >> >> I have been looking at a few TMC transmitters on the history site and
> >> >> am confused about something. It seems that most of the systems have a
> >> >> master oscillator (0-330 or something like that) in addition to the
> >> >> SBE exciter (SBE-3 or 3 or whatever)
> >> >> I am hoping to assemble a complete working transmitter at some point
> >> >> if it ever becomes possible to obtain the components, but at this
> >> >time
> >> >> I know precious little about what is actually required to assemble a
> >> >> working transmitter. I thought based on reading and images of the
> >> >> controls on the SBE's that they contain the required oscillators and
> >> >> are self contained. My question is do they? Or is the 0-330 master
> >> >> oscillator required in addition to the SBE to have a fully
> >> >functioning
> >> >> exciter, or is the "master" oscillator an "extra" that allows
> >> >> synchronization of multiple transmitters and receivers and so forth?
> >> >I
> >> >> apologise if this is an ignorant question. I suppose I could
> >> >> eventually figure it out if I read enough on the history site, but
> >> >> it's not always easy to figure everything out looking at just manuals
> >> >> without an understanding of the original deployment and (intended
> >> >use)
> >> >> for these devices.
> >> >>
> >> >> Thanks in advance!
> >> >>
> >> >> Best regards,
> >> >> Chris
> >> >> KI7NXY
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> >> >--
> >> >Nick England K4NYW
> >> >www.navy-radio.com<http://www.navy-radio.com>
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> --
> Richard Knoppow
> 1oldlens1 at ix.netcom.com
> WB6KBL
>
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