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公开(公告)号：US20160336914A1
公开(公告)日：2016-11-17
申请号：US15050436
申请日：2016-02-22
Applicant: MEDIATEK INC.
Inventor： Kun-Yin Wang , Wei-Hao Chiu , Ang-Sheng Lin
IPC: H03H7/01
CPC classification number: H03H7/0115 , H01F17/0006 , H01F2017/0073 , H03H5/12
Abstract: An inductor capacitor (LC) tank includes a first inductor and a first tunable capacitive array. The first inductor has a first terminal and a second terminal, and the first tunable capacitive array has a first terminal and a second terminal. The first tunable capacitive array is at a path branching from a first point between the first terminal and the second terminal of the first inductor, the first terminal of the first tunable capacitive array is coupled to the first point, and the second terminal of the first tunable capacitive array and the second terminal of the first inductor are coupled to a reference voltage.
Abstract translation: 电感电容器（LC）箱包括第一电感器和第一可调电容阵列。 第一电感器具有第一端子和第二端子，并且第一可调谐电容阵列具有第一端子和第二端子。 第一可调电容阵列处于从第一电感器的第一端子和第二端子之间的第一点分支的路径，第一可调谐电容阵列的第一端子耦合到第一点，而第一可调电容阵列的第二端子 可调电容阵列和第一电感器的第二端耦合到参考电压。
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公开(公告)号：US10367450B2
公开(公告)日：2019-07-30
申请号：US15345483
申请日：2016-11-07
Applicant: MEDIATEK INC.
Inventor： Hao-Wei Huang , Yen-Tso Chen , Kun-Yin Wang
Abstract: An oscillator apparatus includes an oscillator core circuit. The oscillator core circuit includes an inverting transconductance amplifier, at least one first capacitor, at least one second capacitor, and a resonator. The at least one first capacitor is connected between an input of the inverting transconductance amplifier and a ground level. The at least one second capacitor is connected between an output of the inverting transconductance amplifier and the ground level. The resonator has a first port connected to the input of the inverting transconductance amplifier and a second port connected to the output of the inverting transconductance amplifier. The first port is decoupled from the second port.
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公开(公告)号：US09298199B2
公开(公告)日：2016-03-29
申请号：US14459305
申请日：2014-08-13
Applicant: MEDIATEK INC.
Inventor： Wei-Hao Chiu , Kun-Yin Wang , Ang-Sheng Lin
CPC classification number: G05F1/46 , H04B1/0475 , H04L27/20
Abstract: A voltage generating circuit comprising: an output current generating circuit, generating an output current, such that an output voltage is generated at an output terminal, according to an output voltage control signal; a comparing device, comprising a first input terminal receiving a reference voltage, a second input terminal receiving a feedback voltage related with the output voltage, and an output terminal outputting the output voltage control signal according to the reference voltage and the feedback voltage; an adjustable voltage dropping circuit, comprising a first terminal coupled to the second input terminal, and a second terminal coupled to the output terminal; and a current source, for generating a predetermined current to the first terminal of the adjustable voltage dropping circuit, thereby the feedback voltage is generated at the first terminal of the adjustable voltage dropping circuit. The predetermined current flows through the adjustable voltage dropping circuit to the output terminal.
Abstract translation: 一种电压发生电路，包括：输出电流产生电路，根据输出电压控制信号产生输出电流，使得在输出端产生输出电压; 比较装置，包括接收参考电压的第一输入端子，接收与输出电压相关的反馈电压的第二输入端子以及根据参考电压和反馈电压输出输出电压控制信号的输出端子; 一个可调降压电路，包括耦合到第二输入端的第一端和耦合到输出端的第二端; 以及电流源，用于向可调压降电路的第一端产生预定电流，从而在可调压降电路的第一端产生反馈电压。 预定电流流过可调压降电路到输出端。
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Patent Agency Ranking
公开(公告)号：US20170170784A1
公开(公告)日：2017-06-15
申请号：US15345483
申请日：2016-11-07
Applicant: MEDIATEK INC.
Inventor： Hao-Wei Huang , Yen-Tso Chen , Kun-Yin Wang
CPC classification number: H03B1/04 , H03B5/00 , H03B5/362 , H03B5/366 , H03B2200/0062 , H03B2200/009 , H03L5/00
Abstract: An oscillator apparatus includes an oscillator core circuit. The oscillator core circuit includes an inverting transconductance amplifier, at least one first capacitor, at least one second capacitor, and a resonator. The at least one first capacitor is connected between an input of the inverting transconductance amplifier and a ground level. The at least one second capacitor is connected between an output of the inverting transconductance amplifier and the ground level. The resonator has a first port connected to the input of the inverting transconductance amplifier and a second port connected to the output of the inverting transconductance amplifier. The first port is decoupled from the second port.
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公开(公告)号：US09473147B2
公开(公告)日：2016-10-18
申请号：US14636190
申请日：2015-03-03
Applicant: MEDIATEK INC.
Inventor： Wei-Hao Chiu , Ang-Sheng Lin , Kun-Yin Wang
CPC classification number: H03K23/667 , H03K21/38
Abstract: A frequency dividing apparatus includes: a plurality of latching devices arranged to selectively generate an output signal having a first oscillating frequency or a second oscillating frequency different from the first oscillating frequency according to an input clock signal and a first reset signal; and a controlling device arranged to generate the first reset signal at least according to a programming input signal; wherein the first reset signal is arranged to reset a first latching device in the plurality of latching devices to make the plurality of latching devices to generate the output signal having the second oscillating frequency.
Abstract translation: 一种分频装置包括：多个锁存装置，被配置为根据输入时钟信号和第一复位信号有选择地产生具有与第一振荡频率不同的第一振荡频率或第二振荡频率的输出信号; 以及控制装置，其布置成至少根据编程输入信号产生所述第一复位信号; 其中所述第一复位信号被布置成复位所述多个锁存装置中的第一锁定装置，以使所述多个锁存装置产生具有所述第二振荡频率的输出信号。
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公开(公告)号：US20160048145A1
公开(公告)日：2016-02-18
申请号：US14459305
申请日：2014-08-13
Applicant: MEDIATEK INC.
Inventor： Wei-Hao Chiu , Kun-Yin Wang , Ang-Sheng Lin
CPC classification number: G05F1/46 , H04B1/0475 , H04L27/20
Abstract: A voltage generating circuit comprising: an output current generating circuit, generating an output current, such that an output voltage is generated at an output terminal, according to an output voltage control signal; a comparing device, comprising a first input terminal receiving a reference voltage, a second input terminal receiving a feedback voltage related with the output voltage, and an output terminal outputting the output voltage control signal according to the reference voltage and the feedback voltage; an adjustable voltage dropping circuit, comprising a first terminal coupled to the second input terminal, and a second terminal coupled to the output terminal; and a current source, for generating a predetermined current to the first terminal of the adjustable voltage dropping circuit, thereby the feedback voltage is generated at the first terminal of the adjustable voltage dropping circuit. The predetermined current flows through the adjustable voltage dropping circuit to the output terminal.
Abstract translation: 一种电压发生电路，包括：输出电流产生电路，根据输出电压控制信号产生输出电流，使得在输出端产生输出电压; 比较装置，包括接收参考电压的第一输入端子，接收与输出电压相关的反馈电压的第二输入端子以及根据参考电压和反馈电压输出输出电压控制信号的输出端子; 一个可调降压电路，包括耦合到第二输入端的第一端和耦合到输出端的第二端; 以及电流源，用于向可调压降电路的第一端产生预定电流，从而在可调压降电路的第一端产生反馈电压。 预定电流流过可调压降电路到输出端。
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公开(公告)号：US09948265B2
公开(公告)日：2018-04-17
申请号：US15050436
申请日：2016-02-22
Applicant: MEDIATEK INC.
Inventor： Kun-Yin Wang , Wei-Hao Chiu , Ang-Sheng Lin
CPC classification number: H03H7/0115 , H01F17/0006 , H01F2017/0073 , H03H5/12
Abstract: An inductor capacitor (LC) tank includes a first inductor and a first tunable capacitive array. The first inductor has a first terminal and a second terminal, and the first tunable capacitive array has a first terminal and a second terminal. The first tunable capacitive array is at a path branching from a first point between the first terminal and the second terminal of the first inductor, the first terminal of the first tunable capacitive array is coupled to the first point, and the second terminal of the first tunable capacitive array and the second terminal of the first inductor are coupled to a reference voltage.
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公开(公告)号：US20160261273A1
公开(公告)日：2016-09-08
申请号：US14636190
申请日：2015-03-03
Applicant: Mediatek Inc.
Inventor： Wei-Hao Chiu , Ang-Sheng Lin , Kun-Yin Wang
IPC: H03K21/02
CPC classification number: H03K23/667 , H03K21/38
Abstract: A frequency dividing apparatus includes: a plurality of latching devices arranged to selectively generate an output signal having a first oscillating frequency or a second oscillating frequency different from the first oscillating frequency according to an input clock signal and a first reset signal; and a controlling device arranged to generate the first reset signal at least according to a programming input signal; wherein the first reset signal is arranged to reset a first latching device in the plurality of latching devices to make the plurality of latching devices to generate the output signal having the second oscillating frequency.
Abstract translation: 一种分频装置包括：多个锁存装置，被配置为根据输入时钟信号和第一复位信号有选择地产生具有与第一振荡频率不同的第一振荡频率或第二振荡频率的输出信号; 以及控制装置，其布置成至少根据编程输入信号产生所述第一复位信号; 其中所述第一复位信号被布置成复位所述多个锁存装置中的第一锁定装置，以使所述多个锁存装置产生具有所述第二振荡频率的输出信号。
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