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EVAL_AD4080ARDZ sine wave positive_half is noisy(distorted)

Thread Summary

The user encountered distortion in the positive half-wave of a 2Vpp 5kHz sine wave input to the EVAL_AD4080ARDZ using ACE software. The issue was resolved by reinstalling the AD4080 plugin for each power-up. The AD4080 was configured with default settings, and the input signals were correctly offset by 1.5VDC at R32 and R33.
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Category: Hardware
Product Number: AD4080

Hello

I had just started to check the EVAL_AD4080ARDZ using ACE software.

I had input sin wave to SMA connctor  IN_P (1Vpp )and IN_N(1Vpp 180degree inverted).

*2Vpp sin 5kHz between IN_P and IN_N

*Device AD4080 attributes: software default

; 40Mbps
; watermark 16380
; filter set desabled

*Populate R30 with 1ohm .

The negative half wave is always clean, but positive half wave is distorted.

Would you please let me know how to solve this issue?

Best Regards

Input signal (IN_P ~ IN_N)

Output

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