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HMC833 output power level Issue

Question asked by Jagan_K on Dec 24, 2015

Hello everyone, I have tried to lock HMC833 above 3 GHz, it has been locked but the power level achieved is pretty low and unable to achieve as per the datasheet value. Before the doubler is activated, everything works fine and IC follows the output power plot as per datasheet. the issue mainly observed is when the doubler is activated. The power level of the signal with the evaluation board follows the datasheet, but for the same register values, when programmed through a microcontroller doesnt deliver the same power output.

Please help