Alt-BEAM Archive
Message #12920
To: beam@sgiblab.sgi.com
From: Meabadboy@aol.com
Date: Wed, 29 Mar 2000 18:36:45 -0500
Subject: Re: Ideas................. was --- Re: Biped
> In a message dated 4/1/2000 12:45:11 AM Eastern Standard Time,
> SkavenArmy@cs.com writes:
>
> << a good timing unit isthe "atomic clock ic kit" from mondo-tronics.i >>
>
>
> I am basically useing the BEAM circuits ~ or more to the point ~ the
> modification of them ~ as the basic clock for the robot ~ one problem with
> what I have seen in my applications was that the BEAM circuits do odd
things
> sometimes ~ I have a textronix o-scope and when testing the motor/gate the
> clock would see for lack of better words ~ "a hickup..........??" ~ it may
be
> some diference in the manufaucturing tolerances of the caps ??? ~ i used
all
> 1% resistors ~ or it could be in the gate of the 240 it's self ~ not too
sure
> ~ I have changed out the 240 chip with a new one at least 5 times and have
> used different caps.
>
> most of the time it works (ie clocks) correct
>
> could be all the soder fumes ~ or the coffee ~ lol
>
> >From all I have read on this list from other people ~ it must be an
inherent
> trate of BEAM circuits to have this ODD trend in charge of the caps and
fire
> time on the gate differences ~ maybe even by design???
>
> or dare i say a personality trate??? ~ some genitic flaw in a neuron ~ lol
>
> but anyway ~ $90 is a wee bit out of the budget for this gye im building ~
my
> wife thinks it's silly enough ~ lol
>
> steve
>
>
>
> ~ I thought about what you mentioned above ~ one of the students in a lab
> used a sim clock to what you mentioned ~
>
Home