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'What«s best: a Resonator or Crystal ?'
1998\07\25@001726 by Ricardo Ponte G

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       I was thinking about it:

       What«s the advantage of a Resonator to be use as a Pic«s signal cloc
k?

       and what about a Crystal ?

       What do you think ?.

1998\07\25@005212 by Brian Gracia

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At 12:06 AM 7/25/98 -0400, you wrote:
>        I was thinking about it:
>
>        What«s the advantage of a Resonator to be use as a Pic«s signal
clock?
>
>        and what about a Crystal ?
>
>        What do you think ?.
>
>

Cheaper.  That's about it.  The crystal is more expensive, and has geater
accuracy than a resonator.  The big disadvantage of a crystal is that it
can not handle shock very well.  If you do not need atomic clock type
accuracy and your projects are going to take a beating, go with a resonator.

Brian

1998\07\25@061007 by Peter L. Peres

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On Sat, 25 Jul 1998, Ricardo Ponte G wrote:

>         What´s the advantage of a Resonator to be use as a Pic´s signal clock?

Mostly price.

>         and what about a Crystal ?

Mostly precision (up to 1 order of magnitude or so better over temp.
w/o compensation etc).

Peter

1998\07\25@153829 by Leon Heller

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In message <spam_OUT199807250412.AAA18477TakeThisOuTspams2.admin.true.net>, Ricardo Ponte G
<.....rniniverKILLspamspam@spam@CANTV.NET> writes
>        I was thinking about it:
>
>        What«s the advantage of a Resonator to be use as a Pic«s signal clock?

They are cheaper and smaller than crystals.

>
>        and what about a Crystal ?
>
>        What do you think ?.

Crystals have tighter tolerances, and are necessary in some applications
where an accurate frequency is required.

Leon
--
Leon Heller: leonspamKILLspamlfheller.demon.co.uk http://www.lfheller.demon.co.uk
Amateur Radio Callsign G1HSM    Tel: +44 (0) 118 947 1424
See http://www.lfheller.demon.co.uk/dds.htm for details of a simple AD9850
DDS system. See " "/diy_dsp.htm for a simple DIY DSP ADSP-2104 system.

1998\07\26@042046 by Russell McMahon

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In addition to other answers that you have already received (price versus
stability and shock resistance)

A resonator is usually smaller (unless you buy a very expensive crystal)
A resonator can have the capacitors included in a small physical space
thereby using much less room than a crystal. With a surface mount PIC the
room saving can be substantial. This only matters in tightly space
constrained designs.

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From: Ricardo Ponte G <.....rniniverKILLspamspam.....CANTV.NET>
To: EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU
Subject: What«s best: a Resonator or Crystal ?
Date: Saturday, 25 July 1998 16:06

       I was thinking about it:

       What«s the advantage of a Resonator to be use as a Pic«s signal
clock?

       and what about a Crystal ?

       What do you think ?.
----------

1998\07\26@164711 by Ricardo Ponte G

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face
       Thanks Russel.
       I apreciate your help

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