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HMC-ALH435-DIE 10 Ohms on Vgg1


When I study HMC-ALH435-DIE datasheet, on the page 5 "Assembly Diagram'' shows a 10Ohms between Vgg power supply and IC Vgg1 pin.

I have questions as below,

1) Is the 10 Ohms resistor series in the path or shunt to the ground?

2) Is there any specification limit about the 10 Ohms resistor, or is there recommend brand and part number?

3) What is this  10 Ohms resistor used for? To avoid to much current go into Vgg pin?