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dear
At 1Ghz, the performance of HD3 is only -58dbc. is it due to the filter performance of the front end? Or is there something wrong with layout?
any advise ,thanks in andance
Many things can influence the measured HD performance, a schematic would be necessary (loading is needed in particular)
Hello Raymond,
Also, if you can provide your measurement setup and a snippet/image of the PCB, those would help a lot too.
Thank you,
Sima