Re: The "1 bit" DAC's BIG

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Article #15868

#15868

From: Andrew Karanicolas
Date: Sat, 19 Dec 1992 06:35

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In article <gate.s0wJVB1w165w@toz.buffalo.ny.us> cyberman@toz.buffalo.ny.us (Cyberman) writes:
>    What about the sample rate?  8k per second could cauas
>    alaising problems.  The Vref I was planing on using a zener
>    diode with a trimmer resistor and a voltage follower opamp as
>    a buffer.  Once adjusted that should be very stable, or
>    am I missing something?

This won't do for a reference.  You should use one of the many bandgap
voltage references available.  Analog Devices and National have many
to choose from.  Take a look at Crystal's catalog for a good
discussion on voltage references.

-- 
Andrew Karanicolas
MIT Microsystems Technology Laboratory
ankleand@mtl.mit.edu

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Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!snorkelwacker.mit.edu!bloom-picayune.mit.edu!ankleand
From: ankleand@mtl.mit.edu (Andrew Karanicolas)
Subject: Re: The "1 bit" DAC's BIG
Message-ID: <1992Dec19.063510.8248@athena.mit.edu>
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Date: Sat, 19 Dec 1992 06:35:10 GMT
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