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Table Of Contents

Modulator Specifications

Version:
    Last Modified: March 31, 2021

    PDM modulator order 4 and 5. Use the Configure Modulator VI to select the modulator order.
    PDM modulator bandwidth DC to 0.015 * PCM rate. The bandwidth is DC to 46 kHz for PDM rate of 3.072 MHz. The default is 22 kHz at PDM rate of 3.072 MHz.
    Recommended maximum output signal amplitude The recommended maximum output signal amplitude depends on the modulator order.
    • For the fourth order modulator, the recommended maximum output signal amplitude is 0.707 relative digital full scale.
    • For the fifth order modulator, the recommended maximum output signal amplitude is 0.500 relative digital full scale.

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