公开(公告)号：US20090309772A1

公开(公告)日：2009-12-17

申请号：US12424286

申请日：2009-04-15

Applicant: Jen-Lin FAN ,  Jieh-Tsorng WU

Inventor： Jen-Lin FAN ,  Jieh-Tsorng WU

IPC: H03M1/10

CPC classification number: H03M1/1004 ,  H03M1/1042 ,  H03M1/12

Abstract: The present invention discloses a background calibration system and method for calibrating the non-linear distortion of the amplifier. The calibration method in the present invention includes: generating random sequences and inputting the random sequences in different amount and different sets into an amplifier; amplifying the random sequences and detecting linear and non-linear coefficients; quantizing the output linear signal from the amplifier, and generating a digital output signal; multiplying the digital output signal to generate a high-order signal; generating an estimated non-linear error for the amplifier by multiplying the high-order signal with the estimated non-linear coefficient; adding the non-linear signal with the digital output signal to generate a linear output signal; calculating the random value from the parameter extractor to determine the occurrence of non-linear distortion in the circuit, and further adjusting the non-linear coefficient to calibrating the amplifier.

Abstract translation: 本发明公开了一种用于校准放大器的非线性失真的背景校准系统和方法。 本发明的校准方法包括：生成随机序列，并将不同数量和不同组的随机序列输入放大器; 放大随机序列并检测线性和非线性系数; 量化来自放大器的输出线性信号，并产生数字输出信号; 将数字输出信号相乘以产生高阶信号; 通过将高阶信号与估计的非线性系数相乘来产生放大器的估计的非线性误差; 用数字输出信号加上非线性信号以产生线性输出信号; 从参数提取器计算随机值以确定电路中非线性失真的发生，并进一步调整非线性系数以校准放大器。

公开(公告)号：US07821435B2

公开(公告)日：2010-10-26

申请号：US12424286

申请日：2009-04-15

Applicant: Jen-Lin Fan ,  Jieh-Tsorng Wu

Inventor： Jen-Lin Fan ,  Jieh-Tsorng Wu

IPC: H03M1/00

CPC classification number: H03M1/1004 ,  H03M1/1042 ,  H03M1/12

Abstract: The present invention discloses a background calibration system and method for calibrating the non-linear distortion of the amplifier. The calibration method in the present invention includes: generating random sequences and inputting the random sequences in different amount and different sets into an amplifier; amplifying the random sequences and detecting linear and non-linear coefficients; quantizing the output linear signal from the amplifier, and generating a digital output signal; multiplying the digital output signal to generate a high-order signal; generating an estimated non-linear error for the amplifier by multiplying the high-order signal with the estimated non-linear coefficient; adding the non-linear signal with the digital output signal to generate a linear output signal; calculating the random value from the parameter extractor to determine the occurrence of non-linear distortion in the circuit, and further adjusting the non-linear coefficient to calibrating the amplifier.

Abstract translation: 本发明公开了一种用于校准放大器的非线性失真的背景校准系统和方法。 本发明的校准方法包括：生成随机序列，并将不同数量和不同组的随机序列输入放大器; 放大随机序列并检测线性和非线性系数; 量化来自放大器的输出线性信号，并产生数字输出信号; 将数字输出信号相乘以产生高阶信号; 通过将高阶信号与估计的非线性系数相乘来产生放大器的估计的非线性误差; 用数字输出信号加上非线性信号以产生线性输出信号; 从参数提取器计算随机值以确定电路中非线性失真的发生，并进一步调整非线性系数以校准放大器。