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HMC981LP3E

Question asked by judy2350013 on Aug 3, 2016
Latest reply on Sep 5, 2016 by kkaya

Hi,

 

I am trying to confirm some details of using HMC981LP3E. Here is our planing down below.

Structure.png

 

1. Is that proper to connect all HMC981s' VDD and VDIG together and provided by DC power supply? Any concern?
2. We might use VNEG to provide several negative voltages. For our amp, the threshold voltage is -1.5V, how can we adjust VNEG to -1.5V?

 

Thanks!

 

 

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