Invention Grant
- Patent Title: Hybrid ADC circuit and method
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Application No.: US17809315Application Date: 2022-06-28
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Publication No.: US11876524B2Publication Date: 2024-01-16
- Inventor: Muhammed Bolatkale
- Applicant: NXP B.V.
- Applicant Address: NL Eindhoven
- Assignee: NXP B.V.
- Current Assignee: NXP B.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP 186151 2021.07.16
- Main IPC: H03M1/10
- IPC: H03M1/10 ; H03M1/00 ; H03M1/06 ; H03M3/00 ; H03M1/12

Abstract:
There is described a hybrid ADC device for converting an analog input signal (Vin) into a digital output signal (Vout), the device comprising a first ADC circuit configured to receive the analog input signal (Vin) and convert it into a first digital signal (Y0); a DAC circuit configured to receive the first digital signal and convert it into a first analog signal; a delay circuit configured to delay the analog input signal; a first combiner configured to generate an analog residual signal by subtracting the first analog signal from the delayed analog input signal; a second ADC circuit configured to receive the residual analog signal and convert it into a second digital signal (Y1); a filter circuit configured to receive the first digital signal and output a filtered first digital signal (Y0′), the filter circuit having a transfer function corresponding to a combined transfer function of the DAC circuit and the second ADC circuit; and a second combiner configured to generate the digital output signal (Vout) by adding the second digital signal and the filtered first digital signal, wherein the first ADC circuit comprises an anti-aliasing filter. Furthermore, a corresponding method and an automobile radar system are described.
Public/Granted literature
- US20230017344A1 HYBRID ADC CIRCUIT AND METHOD Public/Granted day:2023-01-19
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