Alan,

I have been using the ECS 4MHz before,  now my supplier sold me  TDK resonators (P/N
FCR4.0MC5) for less than US 20 cents a piece.  They work the same in my application
but lots cheaper.  I don't have a spec sheet now but I can certainly ask, or check
their web page http://www.tdk.co.jp/tebcj01/.  You can have samples to try.

Eric


Alan Shinn wrote:

> Harold,
> Thanks for the reply.
> Where do you get the Murata resonators?
> My specific need (which I should have mentioned at the first) is for a 4
> mHz ceramic resonator with caps built in. I am cloning a project that
> was prototyped with a Picstic and want to change nothing in the software.
> I don't ask these questions lightly. I've spent hours feeling stupid and
> frustrated on the web and on the phone etc and still don't know (but am
> learning more now thanks to this great list - though conflicting info
> still happens).
>
> Looking forward:
> Alan Shinn
>
> >Date:    Tue, 19 Feb 2002 13:35:23 -0800
> >From:    Harold M Hallikainen <haroldhallikainen@JUNO.COM>
> >Subject: Re: [PIC]: ceramic resonators - where?
> >
> >
> >
> >        We use murata with great success. They're the only ones (that I know of)
> >that actually characterizes the resonators to work with the chip. I tried
> >a bunch of other ones (at 16 MHz) and had reliability problems (only
> >about half the loaded boards worked). Called the companies. They said "if
> >it works in our sample circuit (a cmos inverter with a resistor), then
> >the resonator is fine. It must be a problem with the chip." murata
> >actually makes them work!
> >
> >Harold
>
> --
>
> Experience the
> beginnings of microscopy.
> Make your own replica
> of one of Antony van Leeuwenhoek's microscopes.
> visit    http://www.mindspring.com/~alshinn/
>
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