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Re: Q-Par positioner (was Re: Free Microwave Calculator)



Yep,  part number 7898 has 4000 step resolution.


Bob

----- Original Message -----
From: "Don DeGregori" <don1mh@loop.com>
To: <Richard@g3rwl.demon.co.uk>
Cc: <amsat-bb@AMSAT.Org>
Sent: Thursday, January 11, 2001 10:19 PM
Subject: Re: [amsat-bb] Q-Par positioner (was Re: Free Microwave Calculator)


> How about this site for encoders?
> Don
>
http://www.telescope.com/cgi-bin/OrionTel.storefront/3a5e7684018a3e2c2717409
84218064c/Product/View/G511
>
>
>
> Richard W L Limebear wrote:
>
> >  Clifford Buttschardt writes:
> >
> > > A source of at least 4000 bit shaft encoders is badly needed.  We
> > > could adapt simple PIC or A/D electronics from that point.
> >
> > Are they that rare ? I took a look in the (paper) catalog of a large UK
> > components company and there seem to be several contenders (if their
"ppr"
> > number means "pulses per rotation").
> >
> > I haven't checked this via the web but if anyone else wants to then the
> > component company web site is at <http://rswww.com> and possible
contenders
> > for this item (with 4096 ppr) are part numbers 304-9991 and -9979
> > (manufacturer is Baumer Electric)
> >
> > 73
> > Richard W L Limebear G3RWL
> > g3rwl@amsat.org
> > FOC # 1188
> >
> >           So many beautiful girls ..... (sob) so little time
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