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Double Balun transformer for AD9643

Question asked by SureshSurya on Jul 9, 2016
Latest reply on Jul 21, 2016 by J.Harris



I am designing an ADC interface for sampling 70MHz analog input signal at 100MSPS using AD9643. I have planned to use double balun transformer coupling for better SNR performance since my analog input frequency comes in the  second nyquist zone. I have planned to use ETC1-1-13TR and i have also attached a snap of the circuit. Kindly advise that can ETC1-1-13TR transformer can be used for this application.


Thanks in advance.


Suresh Surya