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Increase the Transmit Power

Question asked by Manas@98 on Mar 26, 2018
Latest reply on Apr 1, 2018 by sripad

Hi,

We are using ad9361 for up conversion.The data sheet says ad9361 max output is  around +8dbm.But in our design with full scale the max transmitted power is -35dbm.

We want to increase the power of our transmitted signal.We are operating at 860MHz,FDD mode.

As ad9361 has 12 bit DAC values should be in between (-2047,+2047).I am attaching the picture of our transmittes signal fed to spectrum analyzer with wire.

 

We have disabled TX fir filter which has programmable gain of(-6db,0db).So we can't take advantage of additional 6dbm also as we don't want to play with filter coefficients.How to increase gain?

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