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Question about parameter of FMCOMMS3 in Gnuradio

Question asked by mike.chen on Jun 29, 2017
Latest reply on Jul 3, 2017 by mike.chen

Dear all

                The attenuation of TX1&TX2 didn't work in my block. I've set the value 10dB,  but when I run the transmitter.grc, the block could run normally, but there isn't any attenuation in my transmitter just like the picture as follows. And I want to know the relation of amplitude between transmitter and receiver. For example, while the amplitude of tx_single is30000,and the “gain mode” in receiver is “slow”,Does the max value of rx_signal be limited?Because I could see a constant amplitude in the receiver although I improve the amplitude of tx_signal exceed 30000.

          Thank you very much!