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Error when generate single pulse using AD9959

Question asked by hoainampt2000 on Jun 28, 2015
Latest reply on Jul 5, 2015 by hoainampt2000

Hi All,

I try generate single pulse using AD9959.

Signal amplitude is distorted at rising time.

The detail of problem are attached file.

This is my config register: 

Clock reference = 50 Mhz, PLL = 10, Modulation Level : two.

FR1 = A80000 (hex), CFTW0 = A3D70A3, CFR = 002300

 

I use Clear Phase Accumulator feature in CFR register to active or deactive pulse.

I also try DAC-power down feature but result is same too.

Please help me! thanks so much

 

 

scope_0.bmp

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