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A digital filter implemented on an STM32F7 to convert an audio signal into one compatible with an ultrasonic transducer using a 40kHz carrier wave. This filter employs the use of several PWM techniques and a digital implementation of a Hilbert Transform.

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rstatz/Ultrasonic_SSB_PWM_Filter

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Ultrasonic_SSB_PWM_Filter

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A digital filter implemented on an STM32F7 to convert an audio signal into one compatible with an ultrasonic transducer using a 40kHz carrier wave. This filter employs the use of several PWM techniques and a digital implementation of a Hilbert Transform.

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