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How to switch off frequency doubling chips for HMC189AMS8E and HMC204MS8GE

Question asked by Cho on Jun 11, 2015
Latest reply on Jun 21, 2015 by Cho

Our group has used doubler chips (HMC189AMS8E and HMC204MS8GE) and satisfied their performance.

As far as I know. forward bias DC voltage remove some of nonliearities in Schottkey diode frequency doubler, frequency doubling can be disabled.

Based on switching on and off of frequency doubler, we would like to avoid data collision from the frequency doubling sensors we developed. However, frequency doubling effect of HMC189AMS8E and HMC204MS8GE cannot be killed by applying forward DC bias voltage. So, if you have any methods to switch off these chips, could you please let me know?

 

Thanks,

Chunhee

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