Thanks Mike, (as well as Paul and Tom), I just finished studying the KX1 schematic and AD9834 data sheet. You are right on. Analog devices also has an interesting DDS primer at http://www.analog.com/library/analogDialogue/archives/39-08/dds_apps.html if anyone is interested. As an aside, I have been a reader of the Elecraft group for a few months now, as well as some other radio specific groups. This is by far the most informative group that I have read. I have learned alot from the morning read. thanks to all. I think it is half the draw towards Elecraft. Now....KX1 or K1.... 73's, Pete wd4lst > > From: Mike Morrow <[EMAIL PROTECTED]> > Date: 2006/04/05 Wed PM 05:15:12 CDT > To: [EMAIL PROTECTED], elecraft@mailman.qth.net > Subject: Re: [Elecraft] KX1 on 17 meters? > > >I was wondering if anyone has considered a 17 meter option. > > The clocking rate of the KX1's AD9834 DDS chip is 50 MHz, the maximum rated > for the chip. Typically, the highest usable output frequency from a DDS chip > is no greater than about one-third the clock rate, or about 16.6 MHz. >
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