公开(公告)号：JP2005229274A

公开(公告)日：2005-08-25

申请号：JP2004035027

申请日：2004-02-12

Applicant: Matsushita Electric Ind Co Ltd ,  松下電器産業株式会社

Inventor： MATSUMOTO HIDENORI

IPC: H03F3/24 ,  H03G3/20 ,  H03G3/30 ,  H04B1/04 ,  H04B7/26

CPC classification number: H03G1/0088 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/506 ,  H03G2201/702 ,  H03G2201/708 ,  H04B2001/0416

Abstract: PROBLEM TO BE SOLVED: To provide a transmission power controller performing high precision transmission power control over a wide dynamic range while decreasing the number of steps required for regulating a transmission power controller.
SOLUTION: The transmission power controller comprises a first variable amplification circuit 122 having resolution of 1 dB and a second variable amplification circuit 123 having resolution of 0.1 dB, a section 106 calculating a correction value for compensating degradation of transmission power accuracy due to environmental variation of frequency characteristics and temperature characteristics, and a correction value for compensating transmission power error, a section 107 for calculating a specified transmission power being outputted to a communication partner corrected based on a received signal, and first and second set value calculating sections 108 and 109 for calculating gain values being set in the first and second variable amplification circuits 122 and 123 based on the corrected transmission power.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种在宽动态范围内执行高精度发送功率控制的发送功率控制器，同时减少调节发送功率控制器所需的步数。 解决方案：发射功率控制器包括分辨率为1dB的第一可变放大电路122和分辨率为0.1dB的第二可变放大电路123，计算用于补偿由于 频率特性和温度特性的环境变化以及用于补偿发射功率误差的校正值，用于计算输出到基于接收信号校正的通信对象的规定发射功率的部分107以及第一和第二设定值计算部分108 以及109，用于基于校正的发送功率计算在第一和第二可变放大电路122和123中设置的增益值。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：KR1020070052923A

公开(公告)日：2007-05-23

申请号：KR1020050110727

申请日：2005-11-18

Applicant: 에릭슨 엘지 주식회사

Inventor： 권익승

IPC: H03G3/20

CPC classification number: H03G3/3042 ,  H03G3/3094 ,  H03G2201/708

Abstract: 본 발명은 온도 변화에 따른 이득의 변화를 제어하여 출력 신호의 레벨을 일정하게 유지하도록 한 자동 이득 제어 회로에 관한 것으로, 이득 제어 구간에서 입력 신호를 검출하는 제1파워 검출기와, 해당 제1파워 검출기에서 검출된 전압과 제1기준 전압을 비교하는 제1비교기와, 출력 신호를 검출하는 제2파워 검출기와, 해당 제2파워 검출기에서 검출된 전압과 제2기준 전압을 비교하는 제2비교기와, 해당 제1비교기와 제2비교기의 출력을 비교하는 제3비교기와, 해당 제3비교기의 출력을 적분하는 적분기와, 해당 적분기의 출력에 따라 입력 신호의 이득을 제어하는 가변 이득 증폭기를 구비한 자동 이득 제어 회로에 있어서, 상기 회로의 온도를 측정하여 해당 측정 온도의 변화에 비례하는 전압을 생성하는 온도 센서와; 상기 온도 센서에서 생성한 전압을 디지털화하는 A/D 변환기와; 상기 A/D 변환기에서 디지털화한 전압을 상기 파워 검출기의 온도 드래프트를 보상하기 위한 제1제어 전압으로 변환하는 제1전달함수 생성부와; 상기 제1전달함수 생성부의 제1제어 전압에 따라 제3기준 전압을 전압 강하하여 상기 온도 센서에서 생성한 전압과 비교하여 온도 드래프트 보상전압을 생성하는 온도 드래프트 보상부와; 상기 온도 드래프트 보상부에서 생성한 온도 드래프트 보상전압과 제4기준 전압을 선형합하여 온도 보상전압으로 상기 제2기준 전압 대신에 상기 제2비교기에 출력하는 가산기를 포함하여 이루어진 것을 특징으로 함으로써, 온도 변화에 따른 이득 변화를 실시간적으로 역보상하여 이득제어 시에 온도 변화에 따른 출력 편차가 발생하는 경우에 유용하게 적용할 수 있으며, 또한 어떤 형태의 자동 이득 제어 회로와도 쉽게 결부 및 연동이 가능하다.

公开(公告)号：KR1020020034053A

公开(公告)日：2002-05-08

申请号：KR1020000064841

申请日：2000-11-02

Applicant: 에스케이하이닉스 주식회사

Inventor： 박홍준

IPC: H04B15/00

CPC classification number: H04B1/04 ,  H03G1/0088 ,  H03G2201/708 ,  H03H7/25 ,  H04B2001/0416 ,  H04B2001/0491

Abstract: PURPOSE: An apparatus for compensating mixer signal loss of a BTS(Base Transceiver Subsystem) in a communication system is provided to compensate signal loss generated due to a temperature change in a frequency up/down converter and the deterioration of the performance of other active elements. CONSTITUTION: The first LPF(Loss Pass Filter)(101) executes low pass filtering for an inputted IF(Intermediate Frequency). The first amplifier(102) amplifies the IF outputted from the first LPF(101). The first PAD part(103) is for the tracking of the signal outputted from the first amplifier(102). The first VCO(Voltage Controlled Oscillator)(104) generates a local signal. The second LPF(105) executes low pass filtering for the local signal outputted from the first VCO(104). The second amplifier(106) amplifies the output signal of the second LPF(105). The second PAD part is for the tracking of the signal outputted from the second LPF(105). The first mixer(108) mixes the IF signal outputted from the first PAD part(103) with the local signal outputted from the second PAD part(107). The third PAD part(109) is for the tracking of the signal outputted from the first mixer(108). The third LPF(110) executes low pass filtering for the IF signal outputted from the third PAD part(109). The third amplifier(111) amplifies the IF outputted from the third LPF(110). The first signal loss compensation part(200) compensates signal loss due to the increase in the conversion loss of the first mixer(108).

Abstract translation: 目的：提供一种用于补偿通信系统中的BTS（基站收发器子系统）的混频器信号丢失的装置，用于补偿由于升频/降频转换器中的温度变化而产生的信号损耗和其它有源元件的性能恶化 。 构成：第一个LPF（Loss Pass Filter）（101）对输入的IF（中频）执行低通滤波。 第一放大器（102）放大从第一LPF（101）输出的IF。 第一PAD部分（103）用于跟踪从第一放大器（102）输出的信号。 第一个VCO（压控振荡器）（104）产生一个本地信号。 第二LPF（105）对从第一VCO（104）输出的本地信号执行低通滤波。 第二放大器（106）放大第二LPF（105）的输出信号。 第二PAD部分用于跟踪从第二LPF（105）输出的信号。 第一混频器（108）将从第一PAD部分（103）输出的IF信号与从第二PAD部分（107）输出的本地信号进行混合。 第三PAD部分（109）用于跟踪从第一混频器（108）输出的信号。 第三LPF（110）对从第三PAD部分（109）输出的IF信号执行低通滤波。 第三放大器（111）放大从第三LPF（110）输出的IF。 第一信号损失补偿部分（200）由于第一混频器（108）的转换损耗的增加而补偿信号损失。

公开(公告)号：KR1020000066140A

公开(公告)日：2000-11-15

申请号：KR1019990013021

申请日：1999-04-13

Applicant: 에스케이하이닉스 주식회사

Inventor： 강명구 ,  봉필경

IPC: H04B1/40

CPC classification number: H04W52/52 ,  H03G3/3042 ,  H03G2201/708

Abstract: PURPOSE: A device for compensating a transmission output error of a mobile communication terminal, is provided to compensate a transmission output error caused by a temperature change with simple hardware. So that the communication incapability and the deterioration of speech quality between a terminal and a system due to the lowering of a transmission output when the terminal is in a high temperature, can be previously prevented. CONSTITUTION: A central processing unit(110) outputs control data for compensating a transmission output changed according to temperatures. A digital-to-analog(D/A) converter(120) converts the control data into corresponding analog voltages. A temperature sensor(130) detects the temperatures of a power amplifier and a mobile communication terminal, and outputs the detected temperature values into DC voltage values. A voltage adder(140) adds voltages outputted from the temperature sensor(130) and the D/A converter(120). A phase inverter(150) inverts the phases of the voltages outputted from the voltage adder(140), and outputs the inverted phases into control voltages. An auto gain controller(160) controls the gain of an amplifier in order to compensate the transmission output change according to temperature changes by the control voltages outputted in the phase inverter(150).

Abstract translation: 目的：提供一种用于补偿移动通信终端的传输输出错误的装置，以用简单的硬件补偿由温度变化引起的传输输出错误。 因此，能够防止由终端处于高温时的传输输出的降低导致终端与系统之间的通信不能力和语音质量的恶化。 构成：中央处理单元（110）输出用于补偿根据温度变化的传输输出的控制数据。 数模（D / A）转换器（120）将控制数据转换成对应的模拟电压。 温度传感器（130）检测功率放大器和移动通信终端的温度，并将检测出的温度值输出为直流电压值。 电压加法器（140）将从温度传感器（130）和D / A转换器（120）输出的电压相加。 相位逆变器（150）使从电压加法器（140）输出的电压的相位反相，并将反相输出到控制电压。 自动增益控制器（160）控制放大器的增益，以便根据在相位逆变器（150）中输出的控制电压的温度变化来补偿发送输出变化。

公开(公告)号：KR1020090072173A

公开(公告)日：2009-07-02

申请号：KR1020070140204

申请日：2007-12-28

Applicant: (주)카이로넷

Inventor： 최상혁

IPC: H03G3/30

CPC classification number: H03F1/301 ,  H03G3/3036 ,  H03G2201/708

Abstract: A temperature compensating circuit and a temperature compensating method are provided to obtain a temperature characteristic regardless of the temperature characteristic of peripheral configuration elements by selecting one of PTAT(Proportional To Absolute Temperature) current, a CTAT(Complementary To Absolute Temperature) current, and a band gap reference current as a bias current. A control signal generating circuit(20) generates a first control signal and a second control signal in response to a control voltage. The control signal generating circuit supplies the first control signal to the first control node and supplies the second control signal to the second control node. A first amplifier(30) is connected between the first control node and the second control node and includes the first current generating circuit. The first current generating circuit generates one of a first PTAT current, a first CTAT current, and a first band gap reference current as a bias current. A second amplifier(40) is connected between the first control node and the second control node and includes a second current generating circuit. The second current generating circuit generates one of a second PTAT current, a second CTAT current, and a second band gap reference current as the bias current.

Abstract translation: 提供温度补偿电路和温度补偿方法，通过选择PTAT（比例绝对温度）电流，CTAT（互补绝对温度）电流和 带隙参考电流作为偏置电流。 控制信号发生电路（20）响应控制电压产生第一控制信号和第二控制信号。 控制信号发生电路将第一控制信号提供给第一控制节点，并将第二控制信号提供给第二控制节点。 第一放大器（30）连接在第一控制节点和第二控制节点之间，并且包括第一电流产生电路。 第一电流产生电路产生第一PTAT电流，第一CTAT电流和第一带隙基准电流中的一个作为偏置电流。 第二放大器（40）连接在第一控制节点和第二控制节点之间，并且包括第二电流产生电路。 第二电流产生电路产生第二PTAT电流，第二CTAT电流和第二带隙基准电流中的一个作为偏置电流。

公开(公告)号：KR1020020044383A

公开(公告)日：2002-06-15

申请号：KR1020000073753

申请日：2000-12-06

Applicant: 에스케이하이닉스 주식회사

Inventor： 박홍준

IPC: H04B1/18

CPC classification number: H03G3/3036 ,  H03F1/26 ,  H03F2200/294 ,  H03G2201/708

Abstract: PURPOSE: A receiving apparatus having an LNA(Low Noise Amplifier) for compensating a gain in a mobile communication base station system is provided to improve the receiving performance and reliability of the base station system by compensating a gain of an amplifier using an indoor LNA. CONSTITUTION: A power supply unit(2110) supplies a power to an amplifier installed in an outdoor TTL(Tower Top LNA)(1000). A comparator(2120) receives a voltage with a certain level from the power supply unit(2110), compares the received voltage with a reference voltage, and outputs a high or low signal. A band pass filter(2130) receives the receiving signal from the outdoor TTL(1000) and passes only desired signal in a band. The first amplifying unit(2140) receives the receiving signal from the band pass filter(2130) and amplifies the receiving signal by a gain with a certain level. The second amplifying unit(2170) receives the receiving signal amplified in the first amplifying unit(2140) and amplifies the receiving signal by a gain with a certain level. The third switch(2150) connects a Q1 terminal to an I2 terminal when the low signal is received from the comparator(2120) for passing the receiving signal outputted from the first amplifying unit(2140) to the second amplifying unit(2170), and connects a Q terminal to an I3 terminal when the high signal is received from the comparator(2120) for passing the receiving signal outputted from the first amplifying unit(2140) to a frequency up-link/down-link converter(2200). The fourth switch(2160) connects the Q terminal to the I2 terminal when the low signal is received from the comparator(2120) for passing the receiving signal outputted from the second amplifying unit(2170) to the frequency up-link/down-link converter(2200), and connects the Q2 terminal to the I3 terminal when the high signal is received from the comparator(2120) for passing the receiving signal switched through the third switch(2150) to the frequency up-link/down-link converter(2200).

Abstract translation: 目的：提供一种具有用于补偿移动通信基站系统中的增益的LNA（低噪声放大器）的接收装置，以通过使用室内LNA补偿放大器的增益来提高基站系统的接收性能和可靠性。 构成：电源单元（2110）为安装在户外TTL（塔顶LNA）（1000）中的放大器供电。 比较器（2120）从电源单元（2110）接收具有一定电平的电压，将接收电压与参考电压进行比较，并输出高或低信号。 带通滤波器（2130）从室外TTL（1000）接收接收信号，并且仅通过频带中的期望信号。 第一放大单元（2140）从带通滤波器（2130）接收接收信号，并通过具有一定电平的增益来放大接收信号。 第二放大单元（2170）接收在第一放大单元（2140）中放大的接收信号，并且通过具有一定电平的增益放大接收信号。 当从比较器（2120）接收到低信号以将从第一放大单元（2140）输出的接收信号传递到第二放大单元（2170）时，第三开关（2150）将Q1端子连接到I2端子，以及 当从比较器（2120）接收到高信号以将从第一放大单元（2140）输出的接收信号传递到上行链路/下行链路转换器（2200）时，将Q端子连接到I3端子。 当从比较器（2120）接收到低信号以将从第二放大单元（2170）输出的接收信号传递到上行链路/下行链路时，第四开关（2160）将Q端子连接到I2端子 转换器（2200），并且当从比较器（2120）接收到高信号时将Q2端子连接到I3端子，以将通过第三开关（2150）切换的接收信号传递到上变频链路/下行链路转换器 （2200）。

公开(公告)号：KR1020000067420A

公开(公告)日：2000-11-15

申请号：KR1019990015214

申请日：1999-04-28

Applicant: 주식회사 팬택앤큐리텔

Inventor： 주상철

IPC: H04B1/40

CPC classification number: H04W52/52 ,  H03G3/3042 ,  H03G2201/708

Abstract: PURPOSE: A method for compensating for transmission outputs of a mobile communication terminal is provided to make a controlling circuit memorize a determined output value and monitor/compensate outputs when the transmission output of the terminal is varied according to frequency variations and a peripheral environment so as to constantly perform the outputs. CONSTITUTION: A determined output value controls outputs. A digital signal value in a determined output is memorized. If a measured value is larger than the determined value, an attenuated value of an output compensation circuit is controlled larger, so that a RF output level is lowered. If the measured value is smaller than the determined value, the attenuated value is controlled smaller, so that the RF output level is increased. If the measured value is larger than the determined value in the previous step, a present control value of the output compensation circuit is maintained. If a digital signal value inputted is modified, the step of lowering the RF output level is carried out.

Abstract translation: 目的：提供一种用于补偿移动通信终端的发送输出的方法，以使得当终端的发送输出根据频率变化和外围环境而变化时，控制电路存储确定的输出值并监视/补偿输出，以便 不断执行输出。 组成：确定的输出值控制输出。 存储确定的输出中的数字信号值。 如果测量值大于所确定的值，则输出补偿电路的衰减值被控制得较大，使得RF输出电平降低。 如果测量值小于确定值，则衰减值被控制得较小，从而RF输出电平增加。 如果测量值大于上一步骤中的确定值，则保持输出补偿电路的当前控制值。 如果输入的数字信号值被修改，则执行降低RF输出电平的步骤。