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Crystal question

Discussion in 'Misc Electronics' started by rgb-man, Jan 15, 2004.

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  1. rgb-man

    rgb-man Guest

    I have a crystal on an 18 year old PCB - said crystal is in a
    rectangular metal can.

    On it are the markings:

    DOC-20
    18432.00 KHZ
    KDS-4A

    It is attached to the PCB underneath each corner.

    Am I correct in thinking that this is an 18.432 MHz crystal?

    Whatever, are these still readily available today? It's just that the
    current one appears to have a dodgy internal connection.



    Thanks
     
  2. rgb-man

    rgb-man Guest

    On Thu, 15 Jan 2004 23:48:24 GMT, (rgb-man) wrote:

    Also meant to ask - what is the can/case type of the crystal I
    described?

    As I say, it's rectangular, just under and inch long, about half an
    inch wide and a bit under quarter of an inch high. Looks fairly
    standard to me.
     
  3. Ken Taylor

    Ken Taylor Guest

    The device you are after is a crystal oscillator module. It is in a 14 pin
    DIL package, and yours appears to be a standard frequency (phew!), hopefully
    the pinout is the same too - they've been pretty standard for a few years
    now so I'd take a guess that you'll be okay. RadioSpares list them as a
    stock item, so I'd bet that Arrow do too. Between those two (and Farnell if
    they are closer to home) you should be able to get a replacement pretty
    easily.

    Cheers.

    Ken
     
  4. rgb-man

    rgb-man Guest

    Thanks Ken. You mention about it being a 14-pin DIL package - well,
    it's only got four pins. Now i'm even more confused. :)
     
  5. rgb-man

    rgb-man Guest

    On Fri, 16 Jan 2004 10:23:18 GMT, (rgb-man) wrote:

    Ignore my last comment - now figured out what you mean. :)
     
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