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Can anyone identify this 860MHz transceiver IC ?

Discussion in 'Electronic Design' started by David Chapman, Jan 10, 2012.

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  1. As per the subject heading, I'm hoping that someone in this NG may be
    able to identify the manufacturer of the small IC shown in the following

    . It is a low-power (probably FSK) transmitter/receiver IC used in an
    alarm system operating in the 860MHz band and I'd like to be able to
    find a data sheet to tell me more about it. I've already done some
    Google searching but without any luck so far - I'm now hoping that the
    coding of the IC is not a special 'house' number.


    - Dave.
  2. hamilton

    hamilton Guest

    In the USA, you could use the FCC ID to trace the manufacture.

    Is there a similar dept in the UK ??

  3. John S

    John S Guest

    Try Silicon Labs. They have a transceiver with a 5100 number.*5100*

    John S
  4. TDK?

    Search Terms "5100 fsk transmitter"

  5. John S

    John S Guest

  6. It's actually Infineon Technologies. Has the right package , number of
    pins and function.
    But the website is short on part marking information.


  7. John S

    John S Guest

  8. Many thanks for all of the contributions.

    After tracing some of the tracks to the 16 pins I can confirm that it
    definitely IS the Infineon TDA5100.

    I originally thought it was a transCEIVER but I can see that it is now
    just a transmitter. Sorry for confusing anyone.

    Thanks again.

    - Dave.
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