SLA Information

SLA Status	Assignee	Support Status
SLA Closed. Met after 71 hours	RR4 gverma SJagini Vinod	Awaiting Company Response

Products Mentioned

ADRV9008-1 Recommended for New Designs
The receive path consists of two independent, wide bandwidth (BW), direct conversion receivers with state-of-the-art dynamic range. The complete receive...
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ADRV9008-1 on Analog.com

Associated Drivers

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Spurious Signal Observed at ~77 kHz Offset in ADRV9008-1

Prasanth89 on Mar 27, 2026

Category: Software

Product Number: ADRV9008-1

Software Version: 2021.2

Dear Team,

We are using the ADRV9008-1 integrated with the Zynq ZC706 evaluation board. Currently, we are observing spurious signals at multiples of 77 kHz offset from the main signal within a 1 MHz bandwidth (measured at 600 Hz RBW).

Could you please help us & resolve this issue at the earliest?

Regards,
P. Prasanth

Thread Notes

vanitha

on Mar 30, 2026 5:34 AM
0
These harmonics are inherent to our chip(occurs mainly because of the square LO architecture in our chip) and there is no other way to reduce them other than using external filters.

ADRV9008BBCZ-2 Transmits lots of spurious/harmonic signals.

RE: Performance at low LO frequencies
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Prasanth89 on Mar 31, 2026 12:35 AM in reply to vanitha
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Dear Vanitha,

1. We currently have the ADRV9002 board and would like to understand whether it can deliver similar performance and behavior as the ADRV9008-1, or if we can expect improved results.

2. We Observed the Multiples of 77KHz Spur not getting immediately, it will occur after 30min (after some time), once turn on the board.

Regards,
P Prasanth
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