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    • 1. 发明申请
    • POLAR MODULATION TRANSMITTER CIRCUIT AND COMMUNICATIONS DEVICE
    • 极性调制发射机电路和通信设备
    • US20090060089A1
    • 2009-03-05
    • US11911171
    • 2006-04-26
    • Toru MatsuuraShigeru Morimoto
    • Toru MatsuuraShigeru Morimoto
    • H04L27/04H04L27/12H03M1/66H04L5/12
    • H03F1/3241H03F1/02H03F1/0205H03F3/191H03F3/24H03F2200/331H03G3/004H04L27/361H04L27/368
    • Provided is a transmitter circuit capable of operating with low distortion and high efficiency even in a modulation method using wide modulation bandwidth. In the transmitter circuit, a signal generation section (11) generates an amplitude signal and an angle-modulated signal. Based on a predetermined characteristic, a compensating filter (12) wave-shaping-processes the amplitude signal. A regulator (14) outputs a signal in accordance with a magnitude of the signal which has been wave-shaping-processed by the compensating filter (12). An amplitude modulator section (15) amplitude-modulates the angle-modulated signal by using the signal outputted from the regulator (14). A characteristic of the compensating filter (12) is an inverse of a transfer characteristic between an input at the regulator (14) and an output at the amplitude modulator section (15).
    • 提供了即使在使用宽调制带宽的调制方法中也能够以低失真和高效率工作的发射机电路。 在发送电路中,信号生成部(11)生成振幅信号和角度调制信号。 基于预定特性,波形整形处理振幅信号的补偿滤波器(12)。 调节器(14)根据由补偿滤波器(12)进行波形整形处理的信号的大小输出信号。 振幅调制器部分(15)通过使用从调节器(14)输出的信号来对角度调制信号进行幅度调制。 补偿滤波器(12)的特性是调节器(14)的输入端与幅度调制器部分(15)的输出端之间的传输特性的逆。
    • 2. 发明授权
    • Polar modulator and wireless communication apparatus using the same
    • 极性调制器和使用它的无线通信设备
    • US07634022B2
    • 2009-12-15
    • US10591811
    • 2006-01-06
    • Shigeru MorimotoToru MatsuuraHisashi Adachi
    • Shigeru MorimotoToru MatsuuraHisashi Adachi
    • H04K1/02
    • H04L27/361H03C5/00H04L27/2623H04L27/367
    • A phase modulation section (101) generates a first modulated signal including phase information. An amplitude signal control section (103) generates a second modulated signal including amplitude information. A waveform shaping section (104), when an amplitude of the second modulated signal is larger than a regulated value generates a waveform-shaped modulated signal. An amplitude modulated voltage supply section (105) amplifies the waveform-shaped modulated signal based on the supply voltage from a voltage control section (106) and supplies the amplified signal to a power amplification section (102). The power amplification section (102) amplifies the first modulated signal based on the amplitude modulated voltage, and outputs the resultant signal. The waveform shaping section (104) adjusts the regulated value in accordance with a factor for changing a distorted power generated by the power amplification section (102), such that an ACP generated by the power amplification section (102) becomes a first predetermined value or smaller.
    • 相位调制部(101)生成包含相位信息的第一调制信号。 振幅信号控制部(103)生成包含振幅信息的第二调制信号。 波形整形单元(104)当第二调制信号的幅度大于调节值时产生波形调制信号。 振幅调制电压供给部(105)根据来自电压控制部(106)的电源电压对波形调制信号进行放大,并将放大后的信号供给功率放大部(102)。 功率放大部(102)根据振幅调制电压对第一调制信号进行放大,输出合成信号。 波形整形部(104)根据用于改变由功率放大部(102)产生的失真的功率的因子调整调节值,使得由功率放大部(102)生成的ACP变为第一预定值,或 较小。
    • 3. 发明申请
    • Polar Modulator And Wireless Communication Apparatus Using The Same
    • 极性调制器和使用它的无线通信设备
    • US20070205843A1
    • 2007-09-06
    • US10591811
    • 2006-01-06
    • Shigeru MorimotoToru MatsuuraHisashi Adachi
    • Shigeru MorimotoToru MatsuuraHisashi Adachi
    • H03K7/02
    • H04L27/361H03C5/00H04L27/2623H04L27/367
    • A phase modulation section (101) generates a first modulated signal including phase information. An amplitude signal control section (103) generates a second modulated signal including amplitude information. A waveform shaping section (104), when an amplitude of the second modulated signal is larger than a regulated value generates a waveform-shaped modulated signal. An amplitude modulated voltage supply section (105) amplifies the waveform-shaped modulated signal based on the supply voltage from a voltage control section (106) and supplies the amplified signal to a power amplification section (102). The power amplification section (102) amplifies the first modulated signal based on the amplitude modulated voltage, and outputs the resultant signal. The waveform shaping section (104) adjusts the regulated value in accordance with a factor for changing a distorted power generated by the power amplification section (102), such that an ACP generated by the power amplification section (102) becomes a first predetermined value or smaller.
    • 相位调制部(101)生成包含相位信息的第一调制信号。 振幅信号控制部(103)生成包含振幅信息的第二调制信号。 波形整形单元(104)当第二调制信号的幅度大于调节值时产生波形调制信号。 振幅调制电压供给部(105)根据来自电压控制部(106)的电源电压对波形调制信号进行放大,并将放大后的信号供给功率放大部(102)。 功率放大部(102)根据振幅调制电压对第一调制信号进行放大,输出合成信号。 波形整形部(104)根据用于改变由功率放大部(102)产生的失真的功率的因子调整调节值,使得由功率放大部(102)生成的ACP变为第一预定值,或 较小。
    • 4. 发明授权
    • Amplifier, information communication apparatus and amplification method
    • 放大器,信息通信装置及放大方法
    • US07499502B2
    • 2009-03-03
    • US11385479
    • 2006-03-21
    • Shigeru MorimotoHisashi AdachiToru Matsuura
    • Shigeru MorimotoHisashi AdachiToru Matsuura
    • H04K1/02H04L25/03H04L25/49
    • H04L27/361H03F1/02H03F1/32H03F3/24
    • An amplifier includes a modulation coder receiving an original modulation signal and generating an amplitude signal and a phase signal, a voltage adjusting instrument which generates an amplitude modulation signal from the amplitude signal, a carrier generator generating a phase modulation signal from the phase signal, and an amplification device receiving the phase modulation signal and the amplitude modulation signal serving as a bias voltage and outputting a modulation signal obtained by restoring and amplifying the original modulation signal. The voltage adjusting instrument determines a DC offset voltage on the basis of a level control signal indicating the level of the amplitude modulation signal and generates the amplitude modulation signal to which the DC offset voltage is added.
    • 放大器包括接收原始调制信号并产生振幅信号和相位信号的调制编码器,从振幅信号产生幅度调制信号的电压调节装置,从相位信号产生相位调制信号的载波发生器,以及 接收相位调制信号和幅度调制信号作为偏置电压的放大装置,并输出通过恢复和放大原始调制信号而获得的调制信号。 电压调节装置根据表示振幅调制信号的电平的电平控制信号来决定DC偏移电压,并生成附加有DC偏移电压的幅度调制信号。
    • 5. 发明授权
    • Transmission circuit and communication apparatus employing the same
    • 发送电路及采用该电路的通信装置
    • US07583940B2
    • 2009-09-01
    • US11605343
    • 2006-11-29
    • Toru MatsuuraShigeru Morimoto
    • Toru MatsuuraShigeru Morimoto
    • H04B1/02H04B1/04
    • H04L27/366H04L27/361
    • A transmission circuit is provided which can output a stable transmission signal independently of the temperature characteristics of an amplitude modulating section. A signal generating section generates an amplitude signal and a phase signal. A regulator supplies a voltage which is controlled, depending on the amplitude signal, to the amplitude modulating section. An angle modulating section subjects the phase signal to angle modulation to output an angle-modulated signal. A temperature detecting section outputs temperature information of the amplitude modulating section. A gain control section controls a gain of a variable gain amplifier based on the temperature information of the amplitude modulating section. The variable gain amplifier amplifies the angle-modulated signal using the gain controlled by the gain control section. The amplitude modulating section subjects the angle-modulated signal to amplitude modulation using a voltage which is controlled, depending on the amplitude signal, to output an amplitude-modulated signal.
    • 提供一种传输电路,其能够独立于幅度调制部分的温度特性输出稳定的传输信号。 信号生成部生成振幅信号和相位信号。 调节器根据幅度信号向幅度调制部分提供被控制的电压。 角度调制部使相位信号进行角度调制以输出角度调制信号。 温度检测部输出振幅调制部的温度信息。 增益控制部根据振幅调制部的温度信息来控制可变增益放大器的增益。 可变增益放大器使用由增益控制部分控制的增益来放大角度调制信号。 幅度调制部分使用根据振幅信号被控制的电压来使角度调制信号进行幅度调制,以输出幅度调制信号。
    • 8. 发明授权
    • Transmission circuit and communication device
    • 传输电路和通信设备
    • US08055215B2
    • 2011-11-08
    • US12100856
    • 2008-04-10
    • Yoshihiro HaraShunsuke HiranoToru MatsuuraShigeru Morimoto
    • Yoshihiro HaraShunsuke HiranoToru MatsuuraShigeru Morimoto
    • H04B1/04
    • H04B1/0483
    • Provided is a transmission circuit capable of operating with high linearity and with low noise. An AM variable fc filter uses an AM cutoff frequency to remove a high frequency component from an amplitude signal. An amplifier supplies a power amplifier with a voltage which is a result of amplifying the amplitude signal outputted from the AM variable fc filter. A PM variable fc filter uses a PM cutoff frequency to remove a high frequency component from a phase signal. A phase modulator phase-modulates the phase signal outputted from the PM variable fc filter to output a high-frequency phase-modulated signal. The power amplifier amplifies the high-frequency phase-modulated signal by using the voltage supplied from the amplifier, and outputs a resultant signal as a transmission signal. The AM variable fc filter and the PM variable fc filter respectively control the AM cutoff frequency and the PM cutoff frequency such that the AM cutoff frequency and the PM cutoff frequency each have an opposite characteristic to that of an output power of the transmission signal.
    • 提供了能够以高线性度和低噪声运行的传输电路。 AM变量fc滤波器使用AM截止频率从幅度信号中去除高频分量。 放大器为功率放大器提供电压,该电压是从AM变量fc滤波器输出的幅度信号的放大结果。 PM变量fc滤波器使用PM截止频率从相位信号中去除高频分量。 相位调制器对从PM变量fc滤波器输出的相位信号进行相位调制,以输出高频相位调制信号。 功率放大器通过使用从放大器提供的电压放大高频相位调制信号,并输出合成信号作为发送信号。 AM变量fc滤波器和PM变量fc滤波器分别控制AM截止频率和PM截止频率,使得AM截止频率和PM截止频率各自具有与发送信号的输出功率相反的特性。
    • 9. 发明授权
    • Polar modulation transmitter circuit and communications device
    • 极性调制发射机电路和通信设备
    • US07792214B2
    • 2010-09-07
    • US11911171
    • 2006-04-26
    • Toru MatsuuraShigeru Morimoto
    • Toru MatsuuraShigeru Morimoto
    • H04K1/02H04L25/03H04L25/49
    • H03F1/3241H03F1/02H03F1/0205H03F3/191H03F3/24H03F2200/331H03G3/004H04L27/361H04L27/368
    • Provided is a transmitter circuit capable of operating with low distortion and high efficiency even in a modulation method using wide modulation bandwidth. In the transmitter circuit, a signal generation section (11) generates an amplitude signal and an angle-modulated signal. Based on a predetermined characteristic, a compensating filter (12) wave-shaping-processes the amplitude signal. A regulator (14) outputs a signal in accordance with a magnitude of the signal which has been wave-shaping-processed by the compensating filter (12). An amplitude modulator section (15) amplitude-modulates the angle-modulated signal by using the signal outputted from the regulator (14). A characteristic of the compensating filter (12) is an inverse of a transfer characteristic between an input at the regulator (14) and an output at the amplitude modulator section (15).
    • 提供了即使在使用宽调制带宽的调制方法中也能够以低失真和高效率工作的发射机电路。 在发送电路中,信号生成部(11)生成振幅信号和角度调制信号。 基于预定特性,波形整形处理振幅信号的补偿滤波器(12)。 调节器(14)根据由补偿滤波器(12)进行波形整形处理的信号的大小输出信号。 振幅调制器部分(15)通过使用从调节器(14)输出的信号来对角度调制信号进行幅度调制。 补偿滤波器(12)的特性是调节器(14)的输入端与幅度调制器部分(15)的输出端之间的传输特性的逆。
    • 10. 发明申请
    • TRANSMISSION CIRCUIT AND COMMUNICATION DEVICE
    • 传输电路和通信设备
    • US20080261543A1
    • 2008-10-23
    • US12100856
    • 2008-04-10
    • Yoshihiro HARAShunsuke HiranoToru MatsuuraShigeru Morimoto
    • Yoshihiro HARAShunsuke HiranoToru MatsuuraShigeru Morimoto
    • H04B1/04
    • H04B1/0483
    • Provided is a transmission circuit capable of operating with high linearity and with low noise. An AM variable fc filter 102 uses an AM cutoff frequency to remove a high frequency component from an amplitude signal. An amplifier 105 supplies a power amplifier 107 with a voltage which is a result of amplifying the amplitude signal outputted from the AM variable fc filter 102. A PM variable fc filter 103 uses a PM cutoff frequency to remove a high frequency component from a phase signal. A phase modulator 104 phase-modulates the phase signal outputted from the PM variable fc filter 103 to output a high-frequency phase-modulated signal. The power amplifier 107 amplifies the high-frequency phase-modulated signal by using the voltage supplied from the amplifier 105, and outputs a resultant signal as a transmission signal. The AM variable fc filter 102 and the PM variable fc filter 103 respectively control the AM cutoff frequency and the PM cutoff frequency such that the AM cutoff frequency and the PM cutoff frequency each have an opposite characteristic to that of an output power of the transmission signal.
    • 提供了能够以高线性度和低噪声运行的传输电路。 AM变量fc滤波器102使用AM截止频率从振幅信号中去除高频分量。 放大器105向功率放大器107提供作为放大从AM变量fc滤波器102输出的振幅信号的结果的电压。 PM变量fc滤波器103使用PM截止频率从相位信号中去除高频分量。 相位调制器104对从PM变量fc滤波器103输出的相位信号进行相位调制,以输出高频相位调制信号。 功率放大器107通过使用从放大器105提供的电压来放大高频相位调制信号,并输出所得到的信号作为发送信号。 AM变量fc滤波器102和PM变量fc滤波器103分别控制AM截止频率和PM截止频率,使得AM截止频率和PM截止频率各自具有与发送信号的输出功率相反的特性 。