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looking for key fob circuit.

Discussion in 'Electronic Design' started by Charles, Jan 6, 2007.

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  1. Charles

    Charles Guest

    I am looking for the transmitting and recieving circuits for key fobs
    (used for car alarms and remote vehicle functions, like door locks).
  2. Luhan

    Luhan Guest

    For existing units or to build your own?

  3. Barry Lennox

    Barry Lennox Guest

    Siemens, now Infineon, have published a lot of app notes on these.

    Try searching their site.
  4. Rich Grise

    Rich Grise Guest

    Will you google groupies please to learn to use the search engine before
    you come into our newsgroup and annoy people with stupid questions?


    Or go buy one at Radio Shack.

    Good Luck!
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