Replace from HMC346MS8GE to HMC346AMS8GE, Relative Attenuation vs.Control Voltage characteristic data change !

HI all,

Please advise to us.

HMC346MS8G was EOL, then HMC346AMS8G start to evaluate.

Following is our custmor evaluation data with  EV1HMC346AMS8G, using Single-Line Control Driver @ datasheet recommend.

Relative Attenuation vs.Control Voltage characteristic data change !

Insertion Loss (V1=0V,V2=-3.4V) is -7dB (-3.1dB typ @ datasheet)

our custmor evaluation data

datasheet data

What happen is it?

Best regards,

sss

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