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AFE7769: A problem with the attenuation accuracy of RX channel of AFE7769

Katherine Wang
Intellectual 2210 points
Part Number: AFE7769


Hi Team,

When doing temperature compensation on AFE7769, we found that there was a problem with the attenuation accuracy of RX. When the attenuation was 1dB, 2dB, or 3 dB, the error was negligible. But when the attenuation was 5dB, the error was very noticeable, and the attenuation was actually only about 4.2dB.

What causes this?


Kind regards,

Katherine