发明公开
EP3104529A1 CONTINUOUS TIME ADC AND FILTER 审中-公开
ZEITKONTINUIERLICHER ADC UND FILTER

CONTINUOUS TIME ADC AND FILTER
摘要:
The invention concerns an analog to digital conversion and filtering circuit comprising: an input for receiving an analog input signal (x(t)); an asynchronous continuous-time analog to digital converter (412) adapted to generate, based on the analog input signal (x(t)), a digital continuous-time signal (y(t)); a feedback path comprising a digital continuous-time filter (414) adapted to generate a filtered signal (f(t)) to be combined with the analog input signal (x(t)), the digital continuous-time filter being adapted to generate the filtered signal (f(t)) by: filtering out at least one first frequency range of the digital continuous-time signal (y(t)); and amplifying at least one second frequency range of the digital continuous-time signal (y(t)).
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