Hi All,
I have some questions about our circuit design (HMC659+HMC914).
Please help take a look at the attachment and give me some advice. Thank you.
Regards,
Kazumasa
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Hi All,
I have some questions about our circuit design (HMC659+HMC914).
Please help take a look at the attachment and give me some advice. Thank you.
Regards,
Kazumasa
Hi Kazumasa,
HMC914 input is a CML and the input common mode is equal to VDD. The 3.3V +/-0.4 is an acceptable spec. The AMR should be updated to
min: VDD-1.3V
max: VDD+0.5V
We do not recommend operating the input over VDD+0.5V.
Let us know if you have additional questions or comments.
Thanks
Ahmet
Hi Kazumasa,
HMC914 input is a CML and the input common mode is equal to VDD. The 3.3V +/-0.4 is an acceptable spec. The AMR should be updated to
min: VDD-1.3V
max: VDD+0.5V
We do not recommend operating the input over VDD+0.5V.
Let us know if you have additional questions or comments.
Thanks
Ahmet