AnsweredAssumed Answered

Non-determined AD9371 output power changes.

Question asked by kirill.koval@eltech.spb.ru on Jan 19, 2017
Latest reply on Jan 31, 2017 by sripad

Hello, dear colleagues!

The trouble is output power instability at ADRV9371-W/PCBZ  TX output:

When we switch on the evaluation board, the first 2-3 minutes output power of transmitter equal 2.5 dBm, but after some time – around 3-4 minutes, when board heat up, the output power become decrease, and after then – increase. The swing of output power may amount to – 9 dBm (min) or  1 dBm (max).

detailed description in attach. 

 

Did anybody face similar challenge?

I will be grateful for a help.

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