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AD9361 Rx Channel Noise

Question asked by xql on Oct 22, 2015
Latest reply on Feb 24, 2016 by tlili

During our testing of AD9361 Rx channels with Manual Gain Control (MGC), we found that with higher manual gain index, the noise level on the Rx channels is higher. For instance, the noise level with gain index 76 is much much higher than that of gain index 41. Is that expected? What is the relationship between the Rx noise level and the manual gain index?

Thanks very much