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Observer kikd180
Observer
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Registered: ‎10-11-2018

ZCU111 how to send 4GHz bandwidth signal

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Hello.

 

I'm trying to send 4GHz bandwidth signal from below settings , using RF Data Converter Evaluation User Interface.

  • Using DAC Tile ... DAC Tile1
  • PLL(Fs)                ... 5898.24MHz
  • Mixer Output    ... I/Q
  • Mixer Freq          ... 4000MHz

 

RFSoC send signal to 1.898GHz and 4GHz, but 1.898Ghz signal stronger than 4Ghz signal.

It seems mixer freq is folding from (5898.24/2)MHz.

Maybe, i'm misunderstanding to something about DAC settings.

 

Would you tell me to correct setting for send 4GHz bandwidth signal?

 

Regards.

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Observer kikd180
Observer
221 Views
Registered: ‎10-11-2018

Re: ZCU111 how to send 4GHz bandwidth signal

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This issue is resolved myself.

 

When I posted this, Nyquist Zone was set Zone1.

nyquistzone_setting.png

I tried set Nyquist Zone is Zone 2 and attach 3000-4300 MHz band pass filter,

ZCU111 works as expected behavior.

 

 

View solution in original post

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Observer kikd180
Observer
222 Views
Registered: ‎10-11-2018

Re: ZCU111 how to send 4GHz bandwidth signal

Jump to solution

This issue is resolved myself.

 

When I posted this, Nyquist Zone was set Zone1.

nyquistzone_setting.png

I tried set Nyquist Zone is Zone 2 and attach 3000-4300 MHz band pass filter,

ZCU111 works as expected behavior.

 

 

View solution in original post

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