Re: Sharp remote control ceramic resonator frequency?

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#600

From: jakdedert
Date: Fri, 18 Mar 2005 18:13

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Michael Black wrote:
> Bob Parker (bobpdeletethis@despammed.com) writes:
>> Matt2 - Amstereo <amstereo@ToptusDOTcomDOTau> wrote:
>>
>>> its probably a 455khz version E, these are found in analogue am
>>> radios and any other ir remote control.
>>
>>    I've seen 455kHz resonators in remotes before, but I'm pretty sure
>> I've seen other frequencies too. Thanks for the suggestion. I'll give
>> it a try unless someone can positively tell me that it's another
>> frequency.
>>
> Yes, I have no idea what that one uses, but most definitely there
> is not one frequency used for every remote.

Not one frequency, necessarily; but usually only a very few resonators.  The
last time I had one which was (physically) broken, I pulled another from the
first nondescript remote I found in the junk box, and it worked fine.

Remember, many frequencies can be synthesized from one crystal.  Try one out
of a junk remote and see if it works...can't hurt.

jak

>
>   Michael

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