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    • 1. 发明授权
    • PLL modulation circuit, radio transmission device, and radio communication device
    • PLL调制电路,无线电传输设备和无线电通信设备
    • US07979038B2
    • 2011-07-12
    • US12160874
    • 2007-01-16
    • Yosuke MitaniShunsuke HiranoKaoru Ishida
    • Yosuke MitaniShunsuke HiranoKaoru Ishida
    • H04B1/04
    • H03L7/1976H03C3/0908H03C3/0925H03C3/0933H03C3/0941H03C3/095H03C3/0966
    • Provided are a PLL modulation circuit, a radio transmission device, and a radio communication device capable of maintaining a modulation accuracy for modulation of a wide band. The PLL modulation circuit (100) includes: a PLL unit (110), first modulation signal input means for inputting a first modulation signal to a divider (112) or a phase comparator (113) of the PLL unit (110); second modulation signal input means for DA converting the digital modulation signal in a DA converter (116) to generate an analog second modulation signal and inputting it to a voltage control oscillator (111) of the PLL unit (110); a second divider for dividing the output signal of the voltage control oscillator (111); and control means for generating a center frequency control signal, a gain control signal, and a second division ration control signal according to the channel selection signal and the control voltage inputted to the voltage control oscillator (111) and supplying them to the divider (112), the DA converter (116), and the second divider (114), respectively.
    • 提供了能够维持宽带调制的调制精度的PLL调制电路,无线发送装置以及无线通信装置。 PLL调制电路(100)包括:PLL单元(110),用于将第一调制信号输入到PLL单元(110)的分频器(112)或相位比较器(113)的第一调制信号输入装置; 第二调制信号输入装置,用于在DA转换器(116)中转换数字调制信号,以产生模拟第二调制信号并将其输入到PLL单元(110)的电压控制振荡器(111); 用于分压电压控制振荡器(111)的输出信号的第二分频器; 以及控制装置,用于根据输入到电压控制振荡器(111)的通道选择信号和控制电压产生中心频率控制信号,增益控制信号和第二分频控制信号,并将其提供给分频器(112) ),DA转换器(116)和第二分频器(114)。
    • 2. 发明申请
    • PLL MODULATION CIRCUIT, RADIO TRANSMISSION DEVICE, AND RADIO COMMUNICATION DEVICE
    • PLL调制电路,无线电传输设备和无线电通信设备
    • US20100272222A1
    • 2010-10-28
    • US12160874
    • 2007-01-16
    • Yosuke MitaniShunsuke HiranoKaoru Ishida
    • Yosuke MitaniShunsuke HiranoKaoru Ishida
    • H03D3/24
    • H03L7/1976H03C3/0908H03C3/0925H03C3/0933H03C3/0941H03C3/095H03C3/0966
    • Provided are a PLL modulation circuit, a radio transmission device, and a radio communication device capable of maintaining a modulation accuracy for modulation of a wide band. The PLL modulation circuit (100) includes: a PLL unit (110), first modulation signal input means for inputting a first modulation signal to a divider (112) or a phase comparator (113) of the PLL unit (110); second modulation signal input means for DA converting the digital modulation signal in a DA converter (116) to generate an analog second modulation signal and inputting it to a voltage control oscillator (111) of the PLL unit (110); a second divider for dividing the output signal of the voltage control oscillator (111); and control means for generating a center frequency control signal, a gain control signal, and a second division ration control signal according to the channel selection signal and the control voltage inputted to the voltage control oscillator (111) and supplying them to the divider (112), the DA converter (116), and the second divider (114), respectively.
    • 提供了能够维持宽带调制的调制精度的PLL调制电路,无线发送装置以及无线通信装置。 PLL调制电路(100)包括:PLL单元(110),用于将第一调制信号输入到PLL单元(110)的分频器(112)或相位比较器(113)的第一调制信号输入装置; 第二调制信号输入装置,用于在DA转换器(116)中转换数字调制信号,以产生模拟第二调制信号并将其输入到PLL单元(110)的压控振荡器(111); 用于分压电压控制振荡器(111)的输出信号的第二分频器; 以及控制装置,用于根据输入到电压控制振荡器(111)的通道选择信号和控制电压产生中心频率控制信号,增益控制信号和第二分频控制信号,并将其提供给分频器(112) ),DA转换器(116)和第二分频器(114)。
    • 3. 发明申请
    • PLL modulation circuit and polar modulation apparatus
    • PLL调制电路和极化调制装置
    • US20050242889A1
    • 2005-11-03
    • US11078704
    • 2005-03-14
    • Yosuke MitaniShunsuke Hirano
    • Yosuke MitaniShunsuke Hirano
    • H03C5/00H03L7/00
    • H03C5/00H03C3/0916H03C3/095H03C3/0991
    • First and second calibration signals (308, 309) are sent to a frequency divider (102) and an adder (116) of a PLL section (100A), demodulated in a demodulator (111), filtered through a low pass filter (113) and a high pass filter (114) and thereafter sent to a modulation signal control circuit (115). The modulation signal control circuit (115) generates control information (318) in comparison with the phase and amplitude of the first and second calibration signals (308 and 309) and sends the control information (318) to a modulation control signal generator (106). Modulation control signal generator (106) holds the control information (318) and controls the values of the first modulation signal and second modulation signal sent to the frequency divider (102) and adder (116) on the based on the control information (318) held in modulation operation.
    • 第一和第二校准信号(308,309)被发送到PLL部分(100A)的分频器(102)和加法器(116),在解调器(111)中解调,通过低通滤波器(113)滤波 )和高通滤波器(114),然后发送到调制信号控制电路(115)。 调制信号控制电路(115)与第一和第二校准信号(308和309)的相位和幅度相比产生控制信息(318),并将控制信息(318)发送到调制控制信号发生器(106) 。 调制控制信号发生器(106)保存控制信息(318),并根据控制信息(318)控制发送到分频器(102)和加法器(116)的第一调制信号和第二调制信号的值, 举行调制操作。
    • 4. 发明授权
    • PLL modulation circuit and polar modulation apparatus
    • PLL调制电路和极化调制装置
    • US07157985B2
    • 2007-01-02
    • US11078704
    • 2005-03-14
    • Yosuke MitaniShunsuke Hirano
    • Yosuke MitaniShunsuke Hirano
    • H03C3/00
    • H03C5/00H03C3/0916H03C3/095H03C3/0991
    • First and second calibration signals (308, 309) are sent to a frequency divider (102) and an adder (116) of a PLL section (100A), demodulated in a demodulator (111), filtered through a low pass filter (113) and a high pass filter (114) and thereafter sent to a modulation signal control circuit (115). The modulation signal control circuit (115) generates control information (318) in comparison with the phase and amplitude of the first and second calibration signals (308 and 309) and sends the control information (318) to a modulation control signal generator (106). Modulation control signal generator (106) holds the control information (318) and controls the values of the first modulation signal and second modulation signal sent to the frequency divider (102) and adder (116) on the based on the control information (318) held in modulation operation.
    • 第一和第二校准信号(308,309)被发送到PLL部分(100A)的分频器(102)和加法器(116),在解调器(111)中解调,通过低通滤波器(113)滤波 )和高通滤波器(114),然后发送到调制信号控制电路(115)。 调制信号控制电路(115)与第一和第二校准信号(308和309)的相位和幅度相比产生控制信息(318),并将控制信息(318)发送到调制控制信号发生器(106) 。 调制控制信号发生器(106)保存控制信息(318),并根据控制信息(318)控制发送到分频器(102)和加法器(116)的第一调制信号和第二调制信号的值, 举行调制操作。