INTEGRATING ANALOGUE-TO-DIGITAL CONVERTER WITH PULSE-WIDTH MODULATION Russian patent published in 2015 - IPC H03M1/52 

FIELD: radio engineering, communication.

SUBSTANCE: device includes an input signal source, the first and the second adders, an integrator, a relay element, a synchronisation signal source, a generator of saw-tooth voltage, a programmable controller, the first and the second converters of the time interval to a digital code, an arithmetic and logic device, a frequency-to-analogue signal converter, and a threshold element.

EFFECT: improving ADC reliability by diagnostics of its serviceability.

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