ADC Multiplexer Random Sampling for Pattern Noise Reduction

The patent applies dynamics by randomizing the sampling sequence of ADC converters dynamically rather than using a fixed sequential order. The multiplexer controller generates random indices to select which analog input channel is connected to the ADC at each sampling instant, making the system's channel selection behavior dynamic and unpredictable. This randomization disperses the correlated pattern noise that would otherwise occur with fixed sequential processing, while maintaining high processing throughput through parallel sampling capability.

The patent employs periodic action through the random sampling sequence generator that periodically updates the channel selection indices for the multiplexer. The system maintains a periodic sampling rhythm where multiple analog channels are sampled in parallel at each time instant, then processed sequentially through the ADC in a randomized order. This periodic randomization approach reduces crosstalk by breaking fixed signal path correlations while preserving processing speed through efficient parallel-to-sequential conversion.