公开(公告)号：US20190068170A1

公开(公告)日：2019-02-28

申请号：US16044731

申请日：2018-07-25

Applicant: MEDIATEK Inc.

Inventor： Jen-Huan Tsai ,  Chih-Hong Lou

IPC: H03H17/02 ,  H03M7/30 ,  H03H17/00 ,  H03H17/04

Abstract: The invention provides a system improving signal handling, e.g., transmission and/or processing. In an embodiment, the system may include a filter circuit, a magnitude bit truncation circuit and a utility circuit. The filter circuit may be coupled to a target signal which contains one or more desired signals at one or more interested bands, for attenuating each said interested band to form a filtered signal. The magnitude bit truncation circuit may be coupled to the filter circuit, for truncating one or more bits of each sample of the filtered signal to form a truncated signal. The utility circuit may be coupled to the magnitude bit truncation circuit, for handling the truncated signal to implement handling of the target signal, so as to reduce resource requirement and enhance error tolerance comparing with directly handling the target signal.

公开(公告)号：US10116323B2

公开(公告)日：2018-10-30

申请号：US15603546

申请日：2017-05-24

Applicant: MEDIATEK Inc.

Inventor： Jen-Huan Tsai

IPC: H03M3/00 ,  H03M1/12 ,  H03M1/06 ,  H03M1/46

Abstract: The invention provides an analog-to-digital converter (ADC) converting an input signal to an output signal. The ADC may comprise a main circuit and a comparator coupled to the main circuit. The main circuit may: transfer the input signal by an input transfer block, filter an error signal by a loop filter, and combine the transferred input signal and the filtered error signal to form a combined signal. The comparator may quantize the combined signal to provide the output signal, wherein the error signal may reflect a difference between the combined signal and the output signal.