I have question from customer about switching time. In the datasheet, there are no maximum time for this.
My customer, Panasonic want to know this.
We don’t have switching time test data on large population of HMC221B to specify maximum. HMC221B uses a GaAs process of which switching time has dependency to process variations. Common practice is to foresee maximum switching time of 10 times higher than typical value.
The RF power can be applied once the control voltages settle to their final value.
Adding one more question.
How long does it take from power up to the part can handle the RF signal?
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