会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明申请
    • TRANSMISSION CIRCUIT AND COMMUNICATION APPARATUS EMPLOYING THE SAME
    • 传输电路和通讯设备
    • WO2007064026A1
    • 2007-06-07
    • PCT/JP2006/324388
    • 2006-11-29
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.MATSUURA, ToruMORIMOTO, Shigeru
    • MATSUURA, ToruMORIMOTO, Shigeru
    • H04L27/36H04L27/20
    • 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 (15). A signal generating section (11) generates an amplitude signal and a phase signal. A regulator (12) supplies a voltage which is controlled, depending on the amplitude signal, to the amplitude modulating section (15). An angle modulating section (13) subjects the phase signal to angle modulation to output an angle-modulated signal. A temperature detecting section (17) outputs temperature information of the amplitude modulating section (15). A gain control section (18) controls a gain of a variable gain amplifier (14) based on the temperature information of the amplitude modulating section (15). The variable gain amplifier (14) amplifies the angle-modulated signal using the gain controlled by the gain control section (18). The amplitude modulating section (15) 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(15)的温度特性输出稳定的传输信号。 信号生成部(11)生成振幅信号和相位信号。 调节器(12)将根据振幅信号被控制的电压提供给幅度调制部分(15)。 角度调制部(13)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(17)输出振幅调制部(15)的温度信息。 增益控制部(18)根据振幅调制部(15)的温度信息来控制可变增益放大器(14)的增益。 可变增益放大器(14)使用由增益控制部(18)控制的增益来放大角度调制信号。 振幅调制部(15)根据振幅信号,使用被控制的电压对角度调制信号进行幅度调制,输出幅度调制信号。
    • 7. 发明申请
    • POLAR MODULATOR AND WIRELESS COMMUNICATION APPARATUS USING THE SAME
    • 使用相同的极性调制器和无线通信装置
    • WO2006073208A1
    • 2006-07-13
    • PCT/JP2006/300322
    • 2006-01-06
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.MORIMOTO, ShigeruMATSUURA, ToruADACHI, Hisashi
    • MORIMOTO, ShigeruMATSUURA, ToruADACHI, Hisashi
    • H04L27/36
    • 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。 当第二调制信号的振幅大于调节值时,波形整形部(104)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 小。