AnsweredAssumed Answered

Questions about AD9361 AGC Fast Attack Mode

Question asked by gaozhanhong@lwhf.com.cn on Jul 31, 2014
Latest reply on May 24, 2016 by tlili

As we all kown, fast attack mode is used to deal with TDD signal,suck as GSM.

I config the ad9361 using the recommended parameters, but when the GSM burst ends, the gain does not increase.

So, i connect ctrl output to watch the energy lost flag and agc state.  Then i find out that,when GSM burst ends, the energy lost flag is low,and state is always in 5.

Why could this happen?

The recommended parameters is that: when energy is below 10db for 8 samples,then gain will be unlock.

Outcomes