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公开(公告)号：US10686414B2
公开(公告)日：2020-06-16
申请号：US16151339
申请日：2018-10-04
Applicant: MEDIATEK INC.
Inventor： Sung-Han Wen , Chien-Ming Chen , Chuan-Hung Hsiao
Abstract: The present invention provides a class-G amplifier, wherein the class-G amplifier includes an amplifier stage, an impedance detector and a power source. In the operations of the class-G amplifier, the amplifier stage is supplied by a supply voltage, and amplifies an input audio signal to generate an output audio signal, and the impedance detector is configured to detect an output impedance of the amplifier stage to generate a detection result, and the power source refers to the detection result to determine a level and a switching frequency of the supply voltage.
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公开(公告)号：US09800263B2
公开(公告)日：2017-10-24
申请号：US15358282
申请日：2016-11-22
Applicant: MEDIATEK Inc.
Inventor： Chien-Chung Yang , Chia-Feng Chiang , Chien-Ming Chen
CPC classification number: H03M3/50 , G06F3/00 , G06F11/1443 , G06F11/3041 , G06F11/3051 , G06F13/10 , G06F13/12 , H03M3/462 , H03M3/508
Abstract: The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost.
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Patent Agency Ranking
公开(公告)号：US20170077947A1
公开(公告)日：2017-03-16
申请号：US15358282
申请日：2016-11-22
Applicant: MEDIATEK Inc.
Inventor： Chien-Chung Yang , Chia-Feng Chiang , Chien-Ming Chen
CPC classification number: H03M3/50 , G06F3/00 , G06F11/1443 , G06F11/3041 , G06F11/3051 , G06F13/10 , G06F13/12 , H03M3/462 , H03M3/508
Abstract: The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost.
Abstract translation: 本发明提供一种信号处理系统及其相关方法。 信号处理系统包括用于在数字和模拟之间转换的转换器，每个转换器包括形成分别与不同频率相关联的多个频率接口的多个串行耦合单元，并且每个转换器在选定的频率接口处被划分到第一部分和 分别形成在第一芯片和第二芯片中的第二部分。 选择分区频率接口以降低实施成本。
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公开(公告)号：US09535858B2
公开(公告)日：2017-01-03
申请号：US14173870
申请日：2014-02-06
Applicant: MEDIATEK Inc.
Inventor： Chien-Chung Yang , Chia-Feng Chiang , Chien-Ming Chen
CPC classification number: H03M3/50 , G06F3/00 , G06F11/1443 , G06F11/3041 , G06F11/3051 , G06F13/10 , G06F13/12 , H03M3/462 , H03M3/508
Abstract: The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost.
Abstract translation: 本发明提供一种信号处理系统及其相关方法。 信号处理系统包括用于在数字和模拟之间转换的转换器，每个转换器包括形成分别与不同频率相关联的多个频率接口的多个串行耦合单元，并且每个转换器在选定的频率接口处被划分到第一部分和 分别形成在第一芯片和第二芯片中的第二部分。 选择分区频率接口以降低实施成本。
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公开(公告)号：US20190199300A1
公开(公告)日：2019-06-27
申请号：US16151339
申请日：2018-10-04
Applicant: MEDIATEK INC.
Inventor： Sung-Han Wen , Chien-Ming Chen , Chuan-Hung Hsiao
Abstract: The present invention provides a class-G amplifier, wherein the class-G amplifier includes an amplifier stage, an impedance detector and a power source. In the operations of the class-G amplifier, the amplifier stage is supplied by a supply voltage, and amplifies an input audio signal to generate an output audio signal, and the impedance detector is configured to detect an output impedance of the amplifier stage to generate a detection result, and the power source refers to the detection result to determine a level and a switching frequency of the supply voltage.
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公开(公告)号：US20140258569A1
公开(公告)日：2014-09-11
申请号：US14173870
申请日：2014-02-06
Applicant: MEDIATEK INC.
Inventor： Chien-Chung Yang , Chia-Feng Chiang , Chien-Ming Chen
IPC: G06F13/10
CPC classification number: H03M3/50 , G06F3/00 , G06F11/1443 , G06F11/3041 , G06F11/3051 , G06F13/10 , G06F13/12 , H03M3/462 , H03M3/508
Abstract: The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost.
Abstract translation: 本发明提供一种信号处理系统及其相关方法。 信号处理系统包括用于在数字和模拟之间转换的转换器，每个转换器包括形成分别与不同频率相关联的多个频率接口的多个串行耦合单元，并且每个转换器在选定的频率接口处被划分到第一部分和 分别形成在第一芯片和第二芯片中的第二部分。 选择分区频率接口以降低实施成本。
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公开(公告)号：US20150131811A1
公开(公告)日：2015-05-14
申请号：US14601253
申请日：2015-01-21
Applicant: MEDIATEK INC.
Inventor： Tsung-Kai Kao , Pao-Cheng Chiu , Chien-Ming Chen
IPC: H03G3/34
CPC classification number: H03G3/348
Abstract: A signal output device includes: a control circuit for receiving at least a first input control signal and outputting an output control signal according to at least the first input control signal, wherein the first input control signal has a first signal segment followed by a second signal segment, and a voltage level of the first signal segment is unknown; and a driver circuit, operated according to a supply power, for receiving the output control signal from the control circuit; wherein a voltage of the supply power is settle before the second signal segment of the first input control signal is received by the control circuit; when the supply power is turned on, the driver circuit operates under a specific power state; and when the second signal segment of the first input control signal is received by the control circuit, the driver circuit keeps operating under the specific power state.
Abstract translation: 信号输出装置包括：控制电路，用于至少接收第一输入控制信号并根据至少第一输入控制信号输出输出控制信号，其中第一输入控制信号具有第一信号段和第二信号 段，第一信号段的电压电平未知; 以及驱动器电路，其根据供电功率进行操作，用于从所述控制电路接收所述输出控制信号; 其中在所述控制电路接收到所述第一输入控制信号的所述第二信号段之前，所述供电电压被稳定; 当电源接通时，驱动电路在特定功率状态下工作; 并且当控制电路接收到第一输入控制信号的第二信号段时，驱动电路在特定功率状态下保持运行。
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