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AD9681 balun stage

Dear ADI engineers, 

I am using AD9681. 

The balun stage in AD9681 is MABA-007159-000000 with the frequency region 4.5-3000MHz.

I would like to work with lower frequency. Could I change this balun stage to another one?

If possible. Could you recommend me some options? 

Thank you very much,

HOANG 

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  • Hi Dougl, 

    I replace the balun stage to Mini - circuits but the result I got was the same with the older one at 500kHz.

    Here is my result. square waveform at 500kHz.

    I try to see the voltage spectrum. 

    Could you tell me the problem and recommend what should I do?

    Thank you.

    HOANG

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