[time-nuts] I have a new toy

[paul swed]

Never heard of one before indeed interesting

On Sun, Oct 24, 2010 at 9:23 PM, John Miles <jmiles at pop.net> wrote:

> Neat box.  Pentek has some really interesting hardware.
>
> -- john, KE5FX
>
> > -----Original Message-----
> > From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
> > Behalf Of Arthur Dent
> > Sent: Sunday, October 24, 2010 6:14 PM
> > To: time-nuts at febo.com
> > Subject: [time-nuts] I have a new toy
> >
> >
> > I picked up an interesting item on Ebay that I think will
> >
> > be useful. It is a direct digital synthesizer where the
> >
> > leftmost knob changes the 4 MSDs from 4,998 , 4,999 ,
> >
> > 5,000 , 5,001 , to 5,002 and the other nine knobs are
> >
> > decades with the LSD being a .000001Hz step. There is also
> >
> > a toggle switch on back to double the output to 10MHz but
> >
> > then the "decades" will go from 0 to 2.0 in .2 steps making
> >
> > the calculation of the output frequency a little tedious.
> >
> >
> > Obviously you have to use an external standard to get the
> >
> > ultimate accuracy but there is a "crude" internal 10811
> >
> > oscillator that can be used for a quick check. I got it
> >
> > for less than some people are selling the HP 10811 for on
> >
> > Ebay so I think it was a good deal. I've never seen one of
> >
> > these units before. It was made about 1987 but looks like new.
> >
> >
> > I do love new toys. ;-)
> >
> > http://farm2.static.flickr.com/1354/5112059771_18197ae84d_b.jpg
> >
> > -Arthur
> >
> >
> >
> >
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