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Input impedance of control pin of HMC435AMS8GE

Question asked by AkiraO on Apr 22, 2015
Latest reply on Apr 27, 2015 by AkiraO



I couldn't SW control one of HMC435AMS8GE. And I chesk the input inpedance of the controle pins (pin1 and pin2). In the result,

the omput ompedance of the one of  HMC435AMS8GE was 2.8k ohms at 5VDC. On the other hand, as for other HMC435AMS8GEs.

the inpedance was high-impedance. I understand that the input impedance is not defined the datasheet. But I would like to know if 2.8k ohms is normal value for input impedance or not.


Best regards,