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    • 91. 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。
    • 92. 发明申请
    • Polar Modulation Transmission Circuit and Communication Device
    • 极调制传输电路和通信设备
    • US20090079511A1
    • 2009-03-26
    • US11887483
    • 2006-04-26
    • Toru MatsuuraHisashi Adachi
    • Toru MatsuuraHisashi Adachi
    • H03C5/00
    • H04L27/361H04L27/368
    • A transmission circuit for outputting transmission signals with a low distortion and a high efficiency over a wide range of output power is provided. A signal generation section (11) generates an amplitude signal and a phase signal. An angle modulation section (12) performs angle modulation on the phase signal and outputs an angle-modulated signal. A regulator (14) receives the amplitude signal via a variable gain amplification section (18) and supplies a voltage controlled based on the magnitude of the amplitude signal to the amplitude modulation section (15). The amplitude modulation section (15) performs amplitude modulation on the angle-modulated signal and outputs a modulated signal to the variable attenuation section (16). When the value of power information is smaller than a predetermined threshold value, the control section (19) increases the gain of the variable gain amplification section (18) and the attenuation of the variable attenuation section (16).
    • 提供了用于在宽范围的输出功率下输出具有低失真和高效率的传输信号的传输电路。 信号生成部(11)生成振幅信号和相位信号。 角度调制部(12)对相位信号进行角度调制,并输出角度调制信号。 调节器(14)经由可变增益放大部(18)接收振幅信号,并将基于振幅信号幅度的电压提供给振幅调制部(15)。 振幅调制部(15)对角度调制信号进行振幅调制,并将调制信号输出到可变衰减部(16)。 当功率信息的值小于预定阈值时,控制部分(19)增加可变增益放大部分(18)的增益和可变衰减部分(16)的衰减。
    • 93. 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
    • US07496333B2
    • 2009-02-24
    • US11633510
    • 2006-12-05
    • Toru MatsuuraKaoru Ishida
    • Toru MatsuuraKaoru Ishida
    • H04B1/02H04B1/04
    • H04L27/361H04L27/368
    • A small-size transmission circuit is provided which outputs a transmission signal having high linearity independently of a magnitude of an output power, and operates with high efficiency. A signal generating section generates quadrature data based on input data. A computation section compares an amplitude component of the quadrature data with a predetermined amplitude threshold value, and outputs an amplitude signal, a first phase signal, and a second phase signal. A regulator outputs a voltage controlled depending on the amplitude signal. An angle modulation section and an angle modulation section angle-modulate the phase signal to output first and second angle-modulated signals. An amplitude modulation section and an amplitude modulation section amplitude-modulate the first and second angle-modulated signals using a voltage controlled depending on the amplitude signal to output the angle-modulated and amplitude-modulated signals as a first modulated signal and a second modulated signal. A combining section combines the first and second modulated signals to output a transmission signal.
    • 提供了一种小型传输电路,其输出独立于输出功率的大小的高线性度的传输信号,并且以高效率运行。 信号生成部根据输入数据生成正交数据。 计算部分将正交数据的幅度分量与预定幅度阈值进行比较,并输出振幅信号,第一相位信号和第二相位信号。 调节器输出根据振幅信号控制的电压。 角度调制部分和角度调制部分对相位信号进行角度调制以输出第一和第二角度调制信号。 幅度调制部分和幅度调制部分使用根据振幅信号控制的电压对第一和第二角度调制信号进行振幅调制,以输出角度调制和调幅信号作为第一调制信号和第二调制信号 。 组合部分组合第一和第二调制信号以输出传输信号。
    • 94. 发明授权
    • Transmission circuit
    • 传输电路
    • US07383027B2
    • 2008-06-03
    • US11041360
    • 2005-01-25
    • Toru MatsuuraHisashi Adachi
    • Toru MatsuuraHisashi Adachi
    • H04B1/68
    • H04L27/361
    • A transmission circuit capable of transmitting a modulated wave signal using polar modulation in a broad band and with low power consumption is provided. The transmission circuit generates an amplitude signal and a phase signal based on data to be transmitted, and separates the amplitude signal into a low-frequency amplitude signal and a high-frequency amplitude signal. The transmission circuit amplitude-modulates the phase signal in a broad band using the high-frequency amplitude signal in a high-frequency voltage control section 104 and an amplitude modulation section 105 and amplitude-modulates the phase signal into low power consumption using the low-frequency amplitude signal in a low-frequency voltage control section 106 and amplitude modulation section 107.
    • 提供了能够以宽频带和低功耗的极性调制来发送调制波信号的发送电路。 发送电路基于要发送的数据生成振幅信号和相位信号,并将振幅信号分离为低频振幅信号和高频振幅信号。 传输电路使用高频电压控制部分104和幅度调制部分105中的高频振幅信号对宽带中的相位信号进行幅度调制,并且使用低频电压控制部分104和幅度调制部分105将相位信号幅度调制成低功耗。 频率振幅信号在低频电压控制部106和振幅调制部107中。
    • 95. 发明授权
    • Data converter, signal generator, transmitter and communication apparatus using the data converter or the signal generator, and data conversion method
    • 数据转换器,信号发生器,使用数据转换器或信号发生器的发射机和通信设备,以及数据转换方法
    • US07280610B2
    • 2007-10-09
    • US10683476
    • 2003-10-10
    • Toru MatsuuraHisashi Adachi
    • Toru MatsuuraHisashi Adachi
    • H04L27/04
    • H04L27/367
    • A data converter arranged to enable linear high-efficiency amplification of a signal having a fluctuating envelope. The data converter has a computation circuit, a vector quantizer, and an output terminal. The computation circuit is formed by connecting n (n: a natural number) number of unit circuits each including a vector subtracter having a first input terminal and a second input terminal, and a vector integrator connected to an output side of the vector subtracter. An output at the output terminal and/or an output from each vector integrator are input to the vector subtracter through the second input terminal in the corresponding unit circuit. The vector subtracter outputs data obtained by subtracting a vector input through the second input terminal from a vector input through the first input terminal. The vector quantizer outputs a predetermined value quantized at least with respect to the magnitude of the input vector.
    • 一种数据转换器,其被布置成能够对具有波动包络的信号进行线性高效率放大。 数据转换器具有计算电路,矢量量化器和输出端子。 计算电路通过连接n(n:自然数)个单元电路,每个单元电路包括具有第一输入端和第二输入端的矢量减法器,以及与矢量减法器的输出侧相连的矢量积分器。 输出端的输出和/或每个矢量积分器的输出通过相应单元电路中的第二输入端输入到矢量减法器。 矢量减法器通过从通过第一输入端子输入的矢量中减去通过第二输入端子输入的矢量而获得的数据。 矢量量化器输出至少相对于输入矢量的幅度量化的预定值。
    • 96. 发明申请
    • Transmission Device And Wireless Communication Apparatus
    • 传输设备和无线通信设备
    • US20070211820A1
    • 2007-09-13
    • US11547354
    • 2006-02-02
    • Yoshihiro HaraToru Matsuura
    • Yoshihiro HaraToru Matsuura
    • H04L25/49
    • H03F3/24H03F1/02H03F1/0205H03F1/0227H03F3/72H03F2200/324H03F2200/451
    • In a first mode in which the power level of a transmission output signal (S6) is to be high, an output from the multiplier (2) is input to an amplitude modulation signal amplifier (4), and a radio frequency power amplifier (5) performs amplitude modulation on a radio frequency phase modulated signal (S4) using a nonlinear area with a supply voltage from the amplitude modulation signal amplifier (4). In a second mode in which the power level of a transmission output signal (S6) is to be low, the output from the multiplier (2) is input to a variable gain amplifier (7), and the variable gain amplifier (7) performs amplitude modulation on the radio frequency phase modulated signal (S4). The amplitude modulated signal is output without passing through the radio frequency power amplifier (5).
    • 在发送输出信号(S 6)的功率电平为高的第一模式中,来自乘法器(2)的输出被输入到幅度调制信号放大器(4),射频功率放大器 5)使用具有来自幅度调制信号放大器(4)的电源电压的非线性区域对射频相位调制信号(S 4)进行幅度调制。 在发送输出信号(S 6)的功率电平为低的第二模式中,来自乘法器(2)的输出被输入到可变增益放大器(7),并且可变增益放大器(7) 对射频相位调制信号进行幅度调制(S 4)。 输出幅度调制信号而不通过射频功率放大器(5)。
    • 100. 发明申请
    • Transmission circuit
    • 传输电路
    • US20050164660A1
    • 2005-07-28
    • US11041360
    • 2005-01-25
    • Toru MatsuuraHisashi Adachi
    • Toru MatsuuraHisashi Adachi
    • H03C5/00H04B1/68H04L27/36
    • H04L27/361
    • A transmission circuit capable of transmitting a modulated wave signal using polar modulation in a broad band and with low power consumption is provided. The transmission circuit generates an amplitude signal and a phase signal based on data to be transmitted, and separates the amplitude signal into a low-frequency amplitude signal and a high-frequency amplitude signal. The transmission circuit amplitude-modulates the phase signal in a broad band using the high-frequency amplitude signal in a high-frequency voltage control section 104 and an amplitude modulation section 105 and amplitude-modulates the phase signal into low power consumption using the low-frequency amplitude signal in a low-frequency voltage control section 106 and amplitude modulation section 107.
    • 提供了能够以宽频带和低功耗的极性调制来发送调制波信号的发送电路。 发送电路基于要发送的数据生成振幅信号和相位信号,并将振幅信号分离为低频振幅信号和高频振幅信号。 传输电路使用高频电压控制部分104和幅度调制部分105中的高频振幅信号对宽带中的相位信号进行幅度调制,并且使用低频电压控制部分104和幅度调制部分105将相位信号幅度调制成低功耗。 频率振幅信号在低频电压控制部106和振幅调制部107中。