公开(公告)号：US20150256214A1

公开(公告)日：2015-09-10

申请号：US14639344

申请日：2015-03-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young-Taek LEE

IPC: H04B1/48 ,  H04B17/14

CPC classification number: H04B17/14 ,  H04B1/109 ,  H04B1/525 ,  H04B17/104 ,  H04B2001/485

Abstract: A method and apparatus for calibrating a terminal is provided. The apparatus includes a modem; a transmission chain configured to process a signal input from the modem and transmit the processed signal via an antenna; a reception chain configured to process a signal received via the antenna and transmit the processed signal to the modem; and a connector configured to connect an output of the transmission chain and an output of the reception chain via an envelope detector and a switch configured to turn on/off the envelope detector, calibrate a DC offset voltage and I and Q signals of the transmission chain by inputting a one-tone signal of 1 MHz into the transmission channel via the modem in a state where the envelope detector is turned on, and calibrate a second order input intercept point (IIP2) characteristic value by adjusting the signal input into the modem via the reception channel.

Abstract translation: 提供了一种用于校准终端的方法和装置。 该装置包括调制解调器; 传输链，被配置为处理从调制解调器输入的信号并通过天线发送经处理的信号; 接收链，其被配置为处理经由所述天线接收的信号并将所处理的信号发送到所述调制解调器; 以及连接器，被配置为经由包络检测器和被配置为打开/关闭包络检测器的开关连接传输链的输出和接收链的输出，校准传输链的DC偏移电压和I和Q信号 通过在包络检测器导通的状态下经由调制解调器将1MHz的单音信号输入到传输信道中，并且通过调整输入到调制解调器的信号的频率来校准二阶输入截点（IIP2）特性值 接收频道。

公开(公告)号：US20150130542A1

公开(公告)日：2015-05-14

申请号：US14488884

申请日：2014-09-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon-Hee LEE ,  Jong-Won CHOI ,  Young-Taek LEE ,  Byung-Hak CHO ,  Young-Gun PU

IPC: H03L5/00

CPC classification number: H03L5/00 ,  H03B5/08 ,  H03L7/00 ,  H03L7/093 ,  H03L7/099

Abstract: An electronic device and a method for control of an output amplitude of a Voltage Control Oscillator (VCO) in the electronic device is provided. The electronic device includes a first circuit configured to output a frequency signal corresponding to a control voltage, and a second circuit configured to generate control bits that control an amplitude of the frequency signal based on a comparison result between a peak voltage of the frequency signal and a reference voltage of the frequency signal.

Abstract translation: 提供了一种用于控制电子设备中的电压控制振荡器（VCO）的输出幅度的电子设备和方法。 电子设备包括：第一电路，被配置为输出对应于控制电压的频率信号，以及第二电路，被配置为基于频率信号的峰值电压与频率信号的峰值电压之间的比较结果来生成控制频率信号的幅度的控制位; 频率信号的参考电压。

公开(公告)号：US20140161208A1

公开(公告)日：2014-06-12

申请号：US14104440

申请日：2013-12-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Hyun LIM ,  Young-Taek LEE

IPC: H04B1/04

CPC classification number: H04B1/0475

Abstract: An apparatus and a method for Direct Current (DC) offset calibration in a signal transmission device of a wireless communication system are provided. The apparatus includes a first DC calibration unit for removing a DC offset from a signal, which is output from a Current-to-Voltage Converter (IVC), by using a first DC calibration value, a Variable Gain Amplifier (VGA) for amplifying the signal output from the IVC, a second DC calibration unit for removing a DC offset from a signal output from the VGA by using a second DC calibration value, a Low Pass Filter (LPF) for filtering the signal output from the VGA, a third DC calibration unit for removing a DC offset from a signal output from the LPF by using a third DC calibration value, and a controller for determining the first DC calibration value, the second DC calibration value and the third DC calibration value.

Abstract translation: 提供了一种用于无线通信系统的信号传输设备中的直流（DC）偏移校准的装置和方法。 该装置包括：第一DC校准单元，用于通过使用第一DC校准值从用于从电流 - 电压转换器（IVC）输出的信号中去除DC偏移，用于放大 来自IVC的信号输出，用于通过使用第二DC校准值从VGA输出的信号中去除DC偏移的第二DC校准单元，用于对从VGA输出的信号进行滤波的低通滤波器（LPF），第三DC 校准单元，用于通过使用第三DC校准值从LPF输出的信号中去除DC偏移;以及控制器，用于确定第一DC校准值，第二DC校准值和第三DC校准值。

公开(公告)号：US20150130514A1

公开(公告)日：2015-05-14

申请号：US14468939

申请日：2014-08-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon-Hee LEE ,  Jong-Won CHOI ,  Sang-Wook HAN ,  Sung-Jun LEE ,  Young-Taek LEE ,  Young-Gun PU

IPC: H03K3/012 ,  H03K17/14 ,  H03K17/687

CPC classification number: H03K3/012 ,  H03B5/04 ,  H03B5/1212 ,  H03B5/1228 ,  H03B5/1234 ,  H03B5/124 ,  H03K17/145 ,  H03K17/6877

Abstract: An electronic device for compensating for process variation is provided. The electronic device includes a first circuit configured to consume a current supplied to the first circuit, and a second circuit configured to control the current supplied to the first circuit. The second circuit is configured to generate a signal for controlling the current supplied to the circuit based on a frequency of a pulse signal generated using a second component that is of a same kind as a first component of the first circuit.

Abstract translation: 提供了用于补偿工艺变化的电子设备。 电子设备包括被配置为消耗提供给第一电路的电流的第一电路和被配置为控制提供给第一电路的电流的第二电路。 第二电路被配置为基于使用与第一电路的第一分量相同种类的第二分量产生的脉冲信号的频率来产生用于控制提供给电路的电流的信号。

公开(公告)号：US20150118979A1

公开(公告)日：2015-04-30

申请号：US14329042

申请日：2014-07-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong-Tak LEE ,  Dae-Hyun KWON ,  Sang-Hyun BAEK ,  Xi YAO ,  Jong-Soo LEE ,  Young-Taek LEE

IPC: H04B1/04

CPC classification number: H04B1/0483 ,  H04B2001/0416

Abstract: To control a gain of a transmit signal in a wireless transmitter, the wireless transmitter is provided. The wireless transmitter includes a baseband processor for processing an analog baseband transmit signal, and a Radio Frequency (RF) signal processor including a plurality of mixers. The plurality of mixers are configured to share an output signal of the baseband processor as an input.

Abstract translation: 为了控制无线发射机中发射信号的增益，提供无线发射机。 无线发射机包括用于处理模拟基带发射信号的基带处理器和包括多个混频器的射频（RF）信号处理器。 多个混频器被配置为共享基带处理器的输出信号作为输入。