[Kenwood] IF-10D What is it? Can it be homebrewed?

Mon, 25 Nov 2002 15:27:19 -0800

I bet if someone started selling these again they could make a few
bucks.  They are very rare and hard to find and when are found are
expensive.  And the 10D version is only used for the TS-50/60.

Clif Holland wrote:
> 
> The IF10D is a buffer. The output port on the TS-50 comes straight from the
> uPC and must be buffered before conversion to RS232.
> 
> I dug around and couldn't find a schematic for the 10D but it shouldn't be
> hard to make. The output pins are RXD, TXD, CTS, RTS, 5v, and Gnd. Not
> necessarily in that order.
> 
> Also while on the subject. The IF10A is for the TS711/811, the IF10B is for
> the TS940, The IF10D is for the TS50/60. The TS440 uses the IC-10 kit. All
> of these output a TTL level signal for conversion to RS232 by the IF-232.
> 
> Clif Holland,  KA5IPF
> AVVid
> Authorized Kenwood and Icom Service
> www.avvid.com
> 1-800-214-5779
> 972-554-6801
> ----- Original Message -----
> From: "n7tcf" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, November 24, 2002 11:52 PM
> Subject: RE: [Kenwood] IF-10D What is it? Can it be homebrewed?
> 
> > >What is it you're trying to do that the Blackman isn't doing for you?
> >
> > I think I was too brief in my first post.
> >
> > The Blackman interface appeared in QST, it is a TTL-RS232 converter. I
> built
> > it, found it works well, but my rig would not respond to commands. I
> probed
> > around the TX pin on the TS-50's processor and found some millivolt level
> > signals. I suppose the IF-10D provides the right interface to cleanly
> > level-shift this signal to TTL levels.
> >
> > The TS-50 CAT system requires not just the RS232 level-converter, which is
> > widely available, but also the IF-10D module (which is discontinued.) What
> > exactly the IF-10D does is mysterious (to me, seems redundant.) Two
> modules
> > are needed to get signals from the TS-50 microprocessor to RS232 levels.
> > Apparently the processor can't source or sink TTL signals? No onboard
> UART?
> > Perhaps Kenwood thought CAT would only be of interest to a few buyers.
> >
> > The TS-50 provides a six pin connector to attach the IF-10D inside the
> > radio. The PIEXX product looks very different. I have emailed the company
> > for more details.
> >
> > I am hoping someone may know what exact function the IF-10D performs. Even
> > better, has a circuit that does the job. Best of all, will sell me one
> for
> > less than $110US.
> >
> > Jim Sullivan
> > N7TCF
> >
> > Web page: http://www.qsl.net/n7tcf
> > Weather Station: http://members.cox.net/n7tcfweather
> >
> > ----- Original Message -----
> > From: "n7tcf" <[email protected]>
> > To: <[email protected]>
> > Sent: Sunday, November 24, 2002 12:37 AM
> > Subject: [Kenwood] IF-10D What is it? Can it be homebrewed?
> >
> >
> > > I just lost another Ebay auction for an IF-10D. It went for over $110US.
> > Can
> > > anyone provide a circuit that will do the same job?
> > >
> > > I have a TS-50, I built the Blackman RS232 level converter, thinking
> that
> > > was all I needed. Is the IF-10D another level converter?
> > >
> > > Jim Sullivan
> > > N7TCF
> > >
> > > Web page: http://www.qsl.net/n7tcf
> > > Weather Station:  http://members.cox.net/n7tcfweather
> > >
> > >
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> >
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> 
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> 
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> 
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