Home Forums SYSTEM Cutoff frequency of LPF

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    • #49574
      Satinder Kaur
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      I am using LPF at the receiver terminal in 2.5 Gbit/s FSO link. Can someone please tell me what should be the cutoff frequency of LPF? In some example it is 0.75*Symbol rate and in some examples it is 0.75* bitrate. I am using NRZ and DPSK modulation schemes. The Q factor varies greatly if i change from symbol rate to bitrate

      Thanks in advance…

    • #49614

      Satinder,
      I think it is a design issue. you would go with the value that gives high Q-factor of your system!

      thanks
      Mohamed

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