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Mixed-Signal Front Ends (MxFE)

Q&A AD9988 DAC Aperture Jitter

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AD9988 DAC Aperture Jitter

Jeremy.Kuo on Jan 22, 2022

Hi ADI friends,

After I study the datasheet, I only find the phase noise about DAC, but Aperture Jitter is not.

Could you help to provide the parameter value about Aperture Jitter of DAC?

Or the related information to calculate it?

Thanks.

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Wes Harris
Jan 28, 2022 +1 verified
Hi Jeremy,

Aperture Jitter is a parameter we generally take for ADCs because it directly relates to the sampling error of samples taken from the received signal. If you are using the onboard HMC7044 there…

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+1 Wes Harris

on Jan 28, 2022 5:32 PM
Hi Jeremy,

Aperture Jitter is a parameter we generally take for ADCs because it directly relates to the sampling error of samples taken from the received signal. If you are using the onboard HMC7044 there is jitter associated with that depending on your application, which can be found in the HMC7044 data sheet here:

HMC7044 (Rev. C) (analog.com) pg. 43 under "Phase Noise Floor and Jitter"
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+1 Wes Harris

on Jan 28, 2022 5:32 PM
Hi Jeremy,

Aperture Jitter is a parameter we generally take for ADCs because it directly relates to the sampling error of samples taken from the received signal. If you are using the onboard HMC7044 there is jitter associated with that depending on your application, which can be found in the HMC7044 data sheet here:

HMC7044 (Rev. C) (analog.com) pg. 43 under "Phase Noise Floor and Jitter"
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