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1. 发明专利

JP2014192807A Reception device and reception method 有权
标题翻译：接收设备和接收方法
公开(公告)号：JP2014192807A
公开(公告)日：2014-10-06
申请号：JP2013068359
申请日：2013-03-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： TA TUAN THANH , KAMEDA TAKU , SUEMATSU KENJI , TAKAGI SUNAO , TSUBOUCHI KAZUO , INAGAKI RYUJI , TSURU MASAOMI , TANIGUCHI EIJI
IPC分类号： H04B7/08 , H04L27/22
CPC分类号： Y02D70/00 , Y02D70/442 , Y02D70/444
摘要： PROBLEM TO BE SOLVED: To provide a reception device and a reception method capable of reducing costs, power consumption and signal processing amount.SOLUTION: A reception device comprises: a plurality of LPF 21, installed in association with I channel signals and Q channel signals to be output from a plurality of BB phase shifters 13, for allowing only low frequency components of a predetermined frequency or less to pass; a plurality of low speed ADC 22, respectively connected to the plurality of LPF 21, for converting the I channel signals and the Q channel signals of the low frequency components into digital signals; and a DSP 23 for extracting a phase difference between a plurality of antenna elements from the outputs of the plurality of low speed ADC 22, and for controlling the plurality of BB phase shifters 13 such that the phases of the I channel signals and the Q channel signals to be output from the plurality of BB phase shifters 13 are aligned.
摘要翻译：要解决的问题：提供能够降低成本，功耗和信号处理量的接收装置和接收方法。解决方案：接收装置包括：多个LPF 21，其与I信道信号和Q信道信号相关联地安装从多个BB移相器13输出，仅允许预定频率或更小频率的低频分量通过; 分别连接到多个LPF21的多个低速ADC22，用于将低频分量的I信道信号和Q信道信号转换为数字信号; 以及DSP23，用于从多个低速ADC22的输出中提取多个天线元件之间的相位差，并且用于控制多个BB移相器13，使得I通道信号和Q通道的相位从多个BB移相器13输出的信号被对准。

2. 发明专利

JP2011015008A Receiver 有权
标题翻译：接收器
公开(公告)号：JP2011015008A
公开(公告)日：2011-01-20
申请号：JP2009155356
申请日：2009-06-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHIMOZAWA MITSUHIRO , UEDA HIROTAMI , TSUTSUMI TSUNEJI , TADOKORO TOMOHIRO , SUEMATSU KENJI
IPC分类号： H04B1/26 , H04B1/30
摘要： PROBLEM TO BE SOLVED: To obtain a receiver capable of achieving a BPF at low frequencies with a proper circuit scale and avoiding deterioration in sensitivity owing to the influence of 1/f noise of a mixer.SOLUTION: The receiver includes: a quadrature mixer 4 for frequency-converting a reception signal of a communication system having a broad signal band, out of reception signals of a plurality of communication systems, into two baseband signals orthogonal to each other on the basis of a plurality of local oscillations, and converting a reception signal of a communication system having a narrow signal band into two IF signals orthogonal to each other and outputting the converted signals; LPFs 6a, 6b for removing spurious signals from the two baseband signals; BPFs 7a, 7b for removing spurious signals from the two IF signals; a 90° phase shifter 8 for shifting the phase of one of the two IF signals outputted from the BPFs 7a, 7b by 90°; and demodulator 11 for demodulating the two baseband signals outputted from the LPFs 6a, 6b and demodulating the two IF signals outputted from the BPF 7b and the 90° phase shifter 8 respectively and synthesized.
摘要翻译：要解决的问题：获得能够以适当的电路规模在低频下实现BPF的接收机，并且由于混频器的1 / f噪声的影响而避免灵敏度降低。解码器：接收机包括：正交混频器4 用于将多个通信系统的接收信号中的具有宽信号频带的通信系统的接收信号频率转换为基于多个本地振荡彼此正交的两个基带信号，并且转换接收将具有窄信号频带的通信系统的信号转换成彼此正交的两个IF信号并输出转换的信号; 用于从两个基带信号去除杂散信号的LPF 6a，6b; BPF 7a，7b，用于从两个IF信号去除寄生信号; 用于将从BPF 7a，7b输出的两个IF信号之一的相位相移90°的90°移相器8; 以及解调器11，用于解调从LPF 6a，6b输出的两个基带信号，并分别解调从BPF 7b和90°移相器8输出的两个IF信号。

3. 发明专利

JP2010034851A Pll circuit 审中-公开
标题翻译： PLL电路
公开(公告)号：JP2010034851A
公开(公告)日：2010-02-12
申请号：JP2008194879
申请日：2008-07-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSUTSUMI TSUNEJI , SUEMATSU KENJI , KOMAKI MASAHIKO , KAGANO MIKI
IPC分类号： H03L7/08
摘要： PROBLEM TO BE SOLVED: To provide a PLL circuit capable of suppressing both of power consumption and output noise. SOLUTION: The PLL circuit is provided with a phase comparator 1, a charge pump 2, a loop filter 3, a voltage controlled oscillator 4 and a frequency divider 5, the frequency divider 5 is configured using CMOS logic circuits, and the phase comparator 1 and the charge pump 2 are configured using ECL circuits loaded with bipolar transistors. By configuring the PLL circuit in such a manner, both of the power consumption and the output noise are suppressed. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够抑制功耗和输出噪声两者的PLL电路。解决方案：PLL电路配备有相位比较器1，电荷泵2，环路滤波器3，压控振荡器4和分频器5，分频器5使用CMOS逻辑电路配置，并且相位比较器1和电荷泵2使用装有双极晶体管的ECL电路来配置。通过以这种方式配置PLL电路，抑制了功耗和输出噪声。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009284245A Active balun circuit 审中-公开
标题翻译：主动BALUN电路
公开(公告)号：JP2009284245A
公开(公告)日：2009-12-03
申请号：JP2008134572
申请日：2008-05-22
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHINJO SHINTARO , SUEMATSU KENJI
IPC分类号： H03H11/32 , H03F3/347
摘要： PROBLEM TO BE SOLVED: To form an active balun circuit so that the circuit has a small configuration easily to be made into a MMIC. SOLUTION: The circuit has: a first amplifier circuit having an N-type field effect transistor which amplifies one of balanced inputs and takes out a signal having a phase rotated by 180 degrees; a second amplifier circuit having a P-type field effect transistor which amplifies the other balanced input and takes out a signal of the same phase; and a synthesis circuit which synthesizes the output signals of the first and second amplifier circuits and takes it out as an imbalanced output. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了形成有源平衡 - 不平衡转换电路，使得电路具有容易制成MMIC的小构造。解决方案：该电路具有：具有N型场效应晶体管的第一放大器电路，其放大平衡输入中的一个，并取出具有旋转180度的相位的信号; 具有P型场效应晶体管的第二放大器电路，其放大另一个平衡输入并取出相同相位的信号; 以及合成电路，其合成第一和第二放大器电路的输出信号并将其作为不平衡输出。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009027618A Transceiver 有权
标题翻译：收发器
公开(公告)号：JP2009027618A
公开(公告)日：2009-02-05
申请号：JP2007190970
申请日：2007-07-23
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ONOMA FUMIKI , TSUTSUMI TSUNEJI , SHINJO SHINTARO , SUEMATSU KENJI
IPC分类号： H04B1/40
摘要： PROBLEM TO BE SOLVED: To provide a transceiver suppressing leakage of a local oscillation signal for reception to a quadrature modulator for transmission so as to prevent deterioration of reception characteristics even when frequency division duplex is performed.
SOLUTION: A transceiver has a frequency divider 3 dividing a frequency of a local oscillation signal A by a division number of two or more, and a local oscillation signal switching circuit 4 outputting a local oscillation signal A' divided by the frequency divider 3 as a local oscillation signal for transmission and outputting a local oscillation signal B as a local oscillation signal for reception when frequency division duplex is performed.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供抑制用于接收的本地振荡信号的泄漏到正交调制器以进行传输的收发机，以便即使在执行频分双工时也能防止接收特性的恶化。解决方案：收发器具有分频器3，其将本地振荡信号A的频率除以2以上的分频数，以及输出本地振荡信号A'除以分频器的本地振荡信号切换电路4 3作为用于发送的本地振荡信号，并且输出本地振荡信号B作为执行频分双工时的接收的本地振荡信号。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008252284A High frequency receiver 有权
标题翻译：高频接收机
公开(公告)号：JP2008252284A
公开(公告)日：2008-10-16
申请号：JP2007088521
申请日：2007-03-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAJIMA KENSUKE , SHIMOZAWA MITSUHIRO , SUEMATSU KENJI
IPC分类号： H03D7/14 , H04B1/26
摘要： PROBLEM TO BE SOLVED: To reduce a circuit area, to eliminate the influence of a DC cut capacitor on frequency characteristics, and to provide sufficient gain and saturation characteristics. SOLUTION: The high frequency receiver includes: a mixing circuit 4 directly DC-connected in parallel with load resistors 3a and 3b, for mixing first and second LO signals and first and second RF amplified by a differential variable gain low noise amplifier 2 and down-converting the first and second RF signals to first and second BB signals; and a current value setting circuit 10 constituting a current mirror with respect to the mixing circuit 4 and the load resistors 3a and 3b and for setting the value of a current flowing through the mixing circuit 4. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了减少电路面积，消除直流截止电容器对频率特性的影响，并提供足够的增益和饱和特性。解决方案：高频接收机包括：与负载电阻3a和3b并联直接并联的混合电路4，用于混合第一和第二LO信号，以及由差分可变增益低噪声放大器2放大的第一和第二RF 以及将所述第一和第二RF信号下变频为第一和第二BB信号; 以及电流值设定电路10，其构成相对于混合电路4和负载电阻3a，3b的电流镜，并设定流过混合电路4的电流值。（C）2009， JPO＆INPIT

7. 发明专利

JP2007102621A Rfid system 有权
标题翻译： RFID系统
公开(公告)号：JP2007102621A
公开(公告)日：2007-04-19
申请号：JP2005293625
申请日：2005-10-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAITO IZURU , UMEMURA NORIO , SUEMATSU KENJI , OTSUKA MASATAKA , KAMEMARU TOSHIHISA , WATANABE SHINICHIRO
IPC分类号： G06K19/07 , H04B5/02
摘要： PROBLEM TO BE SOLVED: To provide an RFID system capable of receiving/demodulating a command signal from an RFID reader writer without being subject to sensitivity suppression due to a transmission radio wave even when radio communication equipment using a nearby band of RFID system use frequency emits a transmission radio wave of high power. SOLUTION: The RFID tag is provided with: an antenna part for receiving arrival radio waves including a transmission wave; a filter part where frequency bands of the transmission wave are normal bands and frequency bands other than the transmission wave are rejection bands out of the arrival radio waves received by the antenna part; a demodulation circuit for demodulating the command signal filtered out by the arrival radio wave by the filter part; a control circuit for instructing either an update/rewrite or read of tag information to a memory part or both of them from the demodulated command signal; and a modulation circuit for modulating a read signal output by the memory part according to the instruction of the control circuit. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使当使用附近的RFID系统频带的无线电通信设备时，提供一种能够从RFID读写器接收/解调命令信号的RFID系统，而不会因传输无线电波而受到灵敏度抑制使用频率发射高功率的传输无线电波。解决方案：RFID标签设置有：用于接收包括传输波的到达无线电波的天线部分; 发送波的频带是正常频带的滤波器部分和除了发送波之外的频带是由天线部分接收的到达无线电波之外的拒绝频带; 解调电路，用于解调由滤波器部分通过到达无线电波滤除的指令信号; 控制电路，用于从解调的命令信号指示对存储器部分或两者的标签信息的更新/重写或读取; 以及调制电路，用于根据控制电路的指令调制由存储器部分输出的读取信号。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006286839A High frequency integrated circuit 有权
标题翻译：高频集成电路
公开(公告)号：JP2006286839A
公开(公告)日：2006-10-19
申请号：JP2005103283
申请日：2005-03-31
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MORI KAZUTOMI , TSUTSUMI TSUNEJI , SHINJO SHINTARO , SUEMATSU KENJI , INOUE MASAHIRO , TAKAGI SUNAO
IPC分类号： H01L27/04 , H01L21/822 , H04B1/03
摘要： PROBLEM TO BE SOLVED: To provide a high frequency integrated circuit where wraparound of an interruption signal through an Si substrate is reduced even if a modulation signal is a high frequency signal of not less than several hundreds MHz, and malfunction of an oscillator can be prevented.
SOLUTION: Substrate thickness T of the Si substrate 1 mounting the oscillator 2 oscillating an LO signal and a transmission amplifier 10 amplifying the high frequency signal modulated by using the LO signal is specified to be not more than a prescribed value. Even if the modulation signal is the high frequency signal of not less than several hundreds MHz, wraparound of the interruption signal through the Si substrate 1 is reduced and malfunction of the oscillator 2 can be prevented.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种高频集成电路，其中即使调制信号是不少于几百MHz的高频信号，也能减少通过Si衬底的中断信号的环绕，并且振荡器的故障可以防止。解决方案：将振荡LO信号的振荡器2的Si衬底1的基板厚度T和放大使用LO信号调制的高频信号的发送放大器10规定为不大于规定值。即使调制信号是不低于几百MHz的高频信号，通过Si衬底1的中断信号的包围也减少，并且可以防止振荡器2的故障。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006129197A High output differential amplifier 有权
标题翻译：高输出差分放大器
公开(公告)号：JP2006129197A
公开(公告)日：2006-05-18
申请号：JP2004316171
申请日：2004-10-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HIEDA MORISHIGE , SHINJO SHINTARO , MORI KAZUTOMI , UEDA HIROTAMI , SUEMATSU KENJI , TAKAGI SUNAO
IPC分类号： H03F3/45 , H03F3/19 , H03F3/60
摘要： PROBLEM TO BE SOLVED: To obtain a small high output differential amplifier which has a high gain and a high output.
SOLUTION: The high output differential amplifier has a first amplifier 11 and a second amplifier 12 configured by connecting fundamental transistor cells in N stages (N is an integer equal to or more than 2) parallel, wherein emitter terminals of the first amplifier 11 and emitter terminals of the second amplifier 12 are mutually connected to provide a virtual ground point 6, and signals that respectively become a reverse-phase are inputted to base terminals of the first amplifier 11 and base terminals of the second amplifier 12 to thereby output amplified signals from collector terminals of the first amplifier 11 and collector terminals of the second amplifier 12. Emitter electrodes of fundamental transistor cells of corresponding stages of the first and second amplifiers 11 and 12 are connected to each other to provide virtual ground points 6a to 6f for each pair, and the virtual ground points 6a to 6f for each pair are mutually connected.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：获得具有高增益和高输出的小型高输出差分放大器。解决方案：高输出差分放大器具有通过并联连接N级（N为等于或大于2的整数）的基本晶体管单元配置的第一放大器11和第二放大器12，其中第一放大器的发射极端子 11和第二放大器12的发射极端子相互连接以提供虚拟接地点6，并且分别变为反相的信号被输入到第二放大器12的第一放大器11和基极的基极端子，从而输出来自第一放大器11的集电极端子和第二放大器12的集电极端子的放大信号。第一和第二放大器11和12的相应级的基本晶体管单元的发射极彼此连接以提供虚拟接地点6a至6f 对于每对，并且每对的虚拟接地点6a至6f相互连接。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2006094196A Multi-stage high frequency amplifier 有权
标题翻译：多级高频放大器
公开(公告)号：JP2006094196A
公开(公告)日：2006-04-06
申请号：JP2004277836
申请日：2004-09-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAJIMA KENSUKE , SUEMATSU KENJI , TSUTSUMI TSUNEJI , SUGANO TAKAYUKI
IPC分类号： H03F3/19 , H03F3/45
摘要： PROBLEM TO BE SOLVED: To obtain a multi-stage high frequency amplifier capable of maintaining stable operations of high frequency amplifiers on respective stages, reducing a circuit occupancy area and reducing the man-hour of connection with an external circuit.
SOLUTION: The multi-stage high frequency amplifier configured by connecting, on multiple stages, amplifiers each including amplification transistors (4a, 4b) for amplifying high frequency signals and load resistors (5a, 5b) of which one terminal is connected to a collector or a drain of the amplification transistor, includes: isolation resistors (6a, 6b), individual for each stage, connected to other terminals of the load resistors on the respective stages; bypass capacitors (7a, 7b), individual for each stage, connected to the other terminals of the load resistors on the respective stages in parallel with the isolation resistors; a common power supply terminal (9) to which the isolation resistors individual for the respective stages are connected in common, for supplying a bias power source; and a ground terminal (8) for grounding the bypass capacitors individual for the respective stages.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得能够保持各级的高频放大器的稳定运行的多级高频放大器，减少了电路占有面积并减少了与外部电路的连接工作时间。解决方案：多级高频放大器通过在多级上连接放大器，每个放大器包括用于放大高频信号的放大晶体管（4a，4b）和一个端子连接到其的负载电阻器（5a，5b）所述放大晶体管的集电极或漏极包括：隔离电阻器（6a，6b），其各自独立于各个级的负载电阻器的其它端子; 旁路电容器（7a，7b），各个级别，与隔离电阻并联连接到各级的负载电阻器的其他端子; 用于各级共用的隔离电阻器共同连接的公共电源端子（9）用于供给偏置电源; 以及接地端子（8），用于将各个旁路的旁路电容器接地。版权所有（C）2006，JPO＆NCIPI

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