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ADAR2004 Isolation

Hi Team,

I Would like to know about Isolation RF-IF, IF-RF, RF-LO, LO-RF of ADAR2004.

And also Is there a way to know the NF of  LNA alone?

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  • Hello,

    You can find LO feedthrough to IF in Figures 24, 25, and 26 in the datasheet. Please find other isolation between ports below. All are at the ports on the evaluation board. Trace losses on the evaluation board are not calibrated out here. As expected, the higher frequency, the lower isolation.

    1. RF to IF isolation

       

    2.IF to RF isolation

       

    3. RF to LO isolation

     

    4. LO to RF isolation

      

    Thanks

Reply
  • Hello,

    You can find LO feedthrough to IF in Figures 24, 25, and 26 in the datasheet. Please find other isolation between ports below. All are at the ports on the evaluation board. Trace losses on the evaluation board are not calibrated out here. As expected, the higher frequency, the lower isolation.

    1. RF to IF isolation

       

    2.IF to RF isolation

       

    3. RF to LO isolation

     

    4. LO to RF isolation

      

    Thanks

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