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ADRV9371-N rx/tx matching not meeting spec and rx gain

Question asked by swaxman on May 23, 2018
Latest reply on May 25, 2018 by swaxman

ADRV9371-N is supposed to match the 1.8-2.6GHz frequency range. when connecting to a standard 2GHz antenna the matching in the specified range decreases dramatically and highest gain/matching is found at ~3GHz instead.

I need to resolve the matching issue and get maximal gain at the frequency range for which the board is specified.

 

In addition I need to put an external RX LNA to get similar gain (or at least signal levels) as I used to get with AD9361.

I would like to understand which external components I need to be able to connect to a RX antenna.

 

please advise on both issues.

thanks

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