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HMC910 / HMC911: has anyone notiched that the input impedance for these chips was changed from 75 to 50Ohm?

Thread Summary

The user inquired about the input impedance change from 75 to 50 Ohms for the HMC910 and HMC911 chips. The final answer confirmed that while there is an internal 75 Ohms impedance, the chips exhibit good return loss with respect to 50 Ohms across the entire frequency range due to package parasitics.
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HMC910 / HMC911: has anyone notiched that the input impedance for these chips was changed from 75 to 50Ohm?