About PCB material for HMC634LC4

Hi,

I'd like to use HMC634LC4 but I'm not sure that teflon PCB material is good to work.

- Is teflon/RT5880 board good for HMC634LC4?  I'm concerned about the difference of their coefficient of thermal expansions.

- Could you let me know your recommended PCB materials for HMC634LC4?

Thanks,

Kazu

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