公开(公告)号：EP2890015A1

公开(公告)日：2015-07-01

申请号：EP14197322.2

申请日：2014-12-11

Applicant: MediaTek, Inc

Inventor： Huang, Yen-Chuan ,  Lou, Chih-Hong ,  Wang, Chi-Yun ,  Hung, Li-Han ,  Wu, Min-Hua

IPC: H03M3/00

CPC classification number: H03M1/001 ,  H03M1/0626 ,  H03M1/46 ,  H03M3/344 ,  H03M3/37 ,  H03M3/438 ,  H03M3/458

Abstract: An analog-to-digital converting device (100, 200) includes: an integrator (102, 202) arranged to generate an integrating signal according to an analog input signal and a first analog feedback signal; a low-pass filter (104, 304, 404, 504, 604, 704) arranged to generate a first filtered signal according to the integrating signal; an analog-to-digital converter (106) arranged to generate a digital output signal according to the first filtered signal; and a first digital-to-analog converter (108) arranged to generate the first analog feedback signal according to the digital output signal.

Abstract translation: 模拟数字转换装置（100,200）包括：积分器（102,202），被布置成根据模拟输入信号和第一模拟反馈信号产生积分信号; 布置成根据积分信号产生第一滤波信号的低通滤波器（104,304,404,504,604,704）; 布置成根据第一滤波信号产生数字输出信号的模拟 - 数字转换器（106） 以及第一数模转换器（108），被配置为根据数字输出信号产生第一模拟反馈信号。

公开(公告)号：EP2890006B1

公开(公告)日：2018-07-18

申请号：EP14197124.2

申请日：2014-12-10

Applicant: MediaTek Inc.

Inventor： Wu, Min-Hua ,  Lou, Chih-Hong ,  Huang, Yen-Chuan ,  Wang, Chi-Yun

IPC: H03F3/45 ,  H03M1/74

CPC classification number: H03F3/45076 ,  H03F2200/222 ,  H03F2200/234 ,  H03F2203/45151 ,  H03F2203/45576 ,  H03G1/0088 ,  H03M1/742

Abstract: A current controlling device (100) includes: a first resistive circuit (102) arranged to selectively conduct a first current (I1) to a first output terminal (No1) from a first input terminal (Ni1); and a second resistive circuit (104) arranged to selectively conduct a second current (12) to a second output terminal (No2) from the first input terminal (Ni1); wherein when the first resistive circuit (102) conducts the first current (I1) to the first output terminal (No1) and when the second resistive circuit (104) does not conduct the second current (I2) to the second output terminal (No2), the first input terminal (Ni1) has a first input impedance; when the first resistive circuit (102) does not conduct the first current (I1) to the first output terminal (No2) and when the second resistive circuit (104) conducts the second current (I2) to the second output terminal (No2), the first input terminal (Ni1) has a second input impedance substantially equal to the first input impedance.

公开(公告)号：EP2890006A1

公开(公告)日：2015-07-01

申请号：EP14197124.2

申请日：2014-12-10

Applicant: MediaTek, Inc

Inventor： Wu, Min-Hua ,  Lou, Chih-Hong ,  Huang, Yen-Chuan ,  Wang, Chi-Yun

IPC: H03G1/00 ,  H03H11/24

CPC classification number: H03F3/45076 ,  H03F2200/222 ,  H03F2200/234 ,  H03F2203/45151 ,  H03F2203/45576 ,  H03G1/0088 ,  H03M1/742

Abstract: A current controlling device (100) includes: a first resistive circuit (102) arranged to selectively conduct a first current (I1) to a first output terminal (No1) from a first input terminal (Ni1); and a second resistive circuit (104) arranged to selectively conduct a second current (12) to a second output terminal (No2) from the first input terminal (Ni1); wherein when the first resistive circuit (102) conducts the first current (I1) to the first output terminal (No1) and when the second resistive circuit (104) does not conduct the second current (I2) to the second output terminal (No2), the first input terminal (Ni1) has a first input impedance; when the first resistive circuit (102) does not conduct the first current (I1) to the first output terminal (No2) and when the second resistive circuit (104) conducts the second current (I2) to the second output terminal (No2), the first input terminal (Ni1) has a second input impedance substantially equal to the first input impedance.

Abstract translation: 电流控制装置（100）包括：第一电阻电路（102），布置成从第一输入端子（Ni1）选择性地将第一电流（I1）传导到第一输出端子（No1）; 以及第二电阻电路（104），被布置成从第一输入端子（Ni1）选择性地将第二电流（12）传导到第二输出端子（No2）; 其中当第一电阻电路（102）向第一输出端（No1）传导第一电流（I1）时，当第二电阻电路（104）不将第二电流（I2）传导到第二输出端（No2）时， ，第一输入端（Ni1）具有第一输入阻抗; 当第一电阻电路（102）不向第一输出端子（No2）传导第一电流（I1）时，当第二电阻电路（104）向第二输出端子（No2）传导第二电流（I2）时， 第一输入端子（Ni1）具有基本上等于第一输入阻抗的第二输入阻抗。