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HMC833 Phase Noise

Question asked by zsb on Mar 5, 2017
Latest reply on Apr 4, 2017 by dyoung1

Hello:

         I have a problem about my HMC833 Phase Noise.

Our conditions:

     (1) Output frequency wideband from 3.8 to 5.20GHz.

     (2) Phase Detector Rate 100M.

     (3)Ref Phase Noise@1Khz 140dBc; @10Khz 150dbc.

      

    I Need the Output Phase Noise@1kHZ>110dBc,@10Khz>110dBc (5.149G).But the PLLVCO Output less 10dbc.we try  Loop filters, PD and Charge pump.

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