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amr mohamed
 
 


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PostSubject: Infrared Transmitter Diode   Sat 20 Nov 2010, 6:22 am


Infrared Transmitter Diode


    # Most of the remote control devices used Dayudat radiate (send) infrared which is invisible to the human eye, but it picks up (find out) sensors in the receivers.

    # When you use one channel for remote control (ie one function and a switch compressor one), this function carries on the carrier signal with carrier signal used to start (mug) function.

    # in the multi-channel systems (ie, multi-function) are remote control devices more complicated, as the transmitted signal consists of a modified carrier signal modulating signals of different frequencies (called the modified frequency FM).

    # In the receivers is to be produced demodulation of these signals and nominate appropriate filters and directed to different departments to perform multiple functions.

    # and now use digital electronics in the implementation of these steps



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