Problem when the PWM signal combinning and analog signal TOGETHER!

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  Hi guys,.

  I work with myRIO to generate PWM pulses.

  Here is the block diagram of my circuit.

  

  I connected external to the analog input pin PWM pin. So I can watch the PWM pulse in the waveform table.

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  See that the waveform is not correct. When I'm watching the same PWM pulses in the CRO (cathode ray Oscilloscope, oscilloscope real in the real world), I get exactly the waveform. that is, the PWM pulses are generated correctly. But the analog read is unable to read the PWM pulses.

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  Hi all

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