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Operating the HMC7044 at ~GHz input/output

Question asked by zbaum on Jun 11, 2018

Hi, I am wanting to use the HMC7044 with a 3.2GHz input reference and 3.2GHz Clkout. It would seem that this is possible with an appropriately chosen VCXO. Comparing with frequency ranges used in other posts, this is a relatively high input for the HMC7044. The ADIsimCLK software also suggests that the reference frequency should not be >500MHz although I have personally ran used the HMC7044 with frequencies near 1GHz. Should there be any hesitation with operating the HMC7044 with a 3.2 GHz input reference or a ~300MHz - 3.2GHz VCXO?