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    • 2. 发明专利
    • Frequency synthesizer
    • 频率合成器
    • JP2014049808A
    • 2014-03-17
    • JP2012188814
    • 2012-08-29
    • Mitsubishi Electric Corp三菱電機株式会社
    • KITSUKAWA YUSUKENAKAMIZO HIDEYUKIKAWAKAMI KENJI
    • H03L7/183H03K5/26H03K23/66H03L7/22
    • H03L7/1974H03L7/087H03L7/1976H03L7/23
    • PROBLEM TO BE SOLVED: To provide a frequency synthesizer that implements phase difference control between high frequency signals generated from fractional PLL synthesizers operating in parallel in a simple configuration.SOLUTION: First and second shift register circuits 3a, 3b output PLL setting data on rising edges of load enable signals, respectively. First and second fractional modulators 4a, 4b generate frequency division number control data on the basis of the PLL setting data, respectively, in synchronism with a reference signal. First and second fractional PLL synthesizers 5a, 5b generate high frequency signals depending on the PLL setting data, the reference signal and the frequency division number control data, respectively. Timing control of the load enable signals performs phase control between the high frequency signals generated from the first and second fractional PLL synthesizers 5a, 5b.
    • 要解决的问题:提供一种频率合成器,其以简单的配置并行操作的分数PLL合成器产生的高频信号之间实现相位差控制。解决方案:第一和第二移位寄存器电路3a,3b在上升沿输出PLL设置数据 的负载使能信号。 第一和第二分数调制器4a,4b分别基于PLL设置数据与参考信号同步地产生分频数控制数据。 第一和第二分数PLL合成器5a,5b分别根据PLL设置数据,参考信号和分频数控制数据产生高频信号。 负载使能信号的定时控制在从第一和第二分数PLL合成器5a,5b产生的高频信号之间执行相位控制。
    • 4. 发明专利
    • Mixer
    • 混合器
    • JP2010148006A
    • 2010-07-01
    • JP2008325727
    • 2008-12-22
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSURU MASAOMIKAWAKAMI KENJIHIEDA MORISHIGE
    • H03D7/02
    • PROBLEM TO BE SOLVED: To provide a mixer for equalizing two input frequencies, and for output of a mixed wave by canceling a double wave of the input frequency. SOLUTION: The mixer includes a first unit mixer and a second unit mixer which are connected to a first output terminal and a second output terminal of a 90° hybrid circuit with the same polarity direction. The first unit mixer includes a first non-linear element and the second unit mixer includes a second non-linear element to each of which outputs from the first output terminal and the second output terminal of the 90° hybrid circuit are input, respectively. The first unit mixer and the second unit mixer frequency-mix signals input from two input terminals of the 90° hybrid circuit, respectively, and respective outputs are combined by a connection means to output from an output terminal. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于均衡两个输入频率并且通过消除输入频率的双波来输出混合波的混频器。 解决方案:混频器包括第一单元混频器和第二单元混频器,其连接到具有相同极性方向的90°混合电路的第一输出端子和第二输出端子。 第一单元混合器包括第一非线性元件,并且第二单元混合器包括第二非线性元件,其中分别输入来自90°混合电路的第一输出端和第二输出端的输出。 分别从90°混合电路的两个输入端子输入的第一单元混频器和第二单元混频器混频信号以及相应的输出由连接装置组合以从输出端输出。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Frequency divider and high frequency oscillation source
    • 频率分频器和高频振荡源
    • JP2009033503A
    • 2009-02-12
    • JP2007195658
    • 2007-07-27
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSURU MASAOMIMIZUTANI HIROYUKIKAWAKAMI KENJINISHIDA KAZUHIROMIYAZAKI MORIYASU
    • H03K23/58H03B19/00H03K5/00H03L7/08
    • PROBLEM TO BE SOLVED: To obtain a frequency divider by which a plurality of output waves are easily and efficiently acquired. SOLUTION: The frequency divider is provided with: a frequency division circuit 1 of which the number of frequency division is N (N: an integer ≥2) having a first input terminal 2a, first and second output terminals 3a, 3b wherein reversed phase outputs are obtained from the first and the second output terminals 3a, 3b; and a first transmission line 4a connected between the first and the second output terminals 3a, 3b wherein N-frequency division waves of input waves are taken out of at least either of the first or the second output terminals 3a, 3b and N/2-frequency divided waves of the input waves are taken out of a middle point of the first transmission line 4a. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:获得容易且有效地获取多个输出波的分频器。 分频器具有:具有第一输入端子2a的分频数为N(N:整数≥2)的分频电路1,第一和第二输出端子3a,3b,其中 从第一和第二输出端子3a,3b获得反相输出; 以及连接在第一和第二输出端子3a,3b之间的第一传输线4a,其中输入波的N分频波从第一或第二输出端子3a,3b和N / 2-2中的至少一个中取出, 从第一传输线4a的中点取出输入波的分频波。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Multi-frequency oscillation device
    • 多频振荡器件
    • JP2007322260A
    • 2007-12-13
    • JP2006153265
    • 2006-06-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAWAKAMI KENJITSURU MASAOMI
    • G01S7/28G01S7/35
    • PROBLEM TO BE SOLVED: To provide a multi-frequency oscillation device capable of outputting stably a plurality of frequencies having narrow intervals. SOLUTION: This device is equipped with reference oscillation sources 1 to the number of n (n is an integer of two or more) having each different frequency f1-fn; a selection switch 2 for selecting and switching successively some one signal from the reference oscillation sources 1 to the number of n, and outputting it; a local oscillation source 4 for outputting a local oscillation frequency signal; and a mixer 3 for inputting a signal selected and switched successively by the selection switch 2 as an IF signal, inputting the local oscillation frequency signal output from the local oscillation source 4 as an LO wave, mixing the IF signal switched and selected successively with the LO signal, and outputting an RF signal. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供能够稳定地输出具有窄间隔的多个频率的多频振荡装置。 解决方案:该装置配备有具有各个不同频率f1-fn的n个(n为2以上的整数)的参考振荡源1, 选择开关2,用于从参考振荡源1连续地选择和切换一个信号到n的数量,并将其输出; 用于输出本地振荡频率信号的本地振荡源4; 以及混合器3,用于输入由选择开关2连续选择和切换的信号作为IF信号,将从本地振荡源4输出的本地振荡频率信号作为LO波输入,将经连续选择的IF信号与 LO信号,并输出RF信号。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • High frequency switch
    • 高频开关
    • JP2007150520A
    • 2007-06-14
    • JP2005340025
    • 2005-11-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • HANYA MASAKINISHINO TAMOTSUKITSUKAWA TAKESUKEKAWAKAMI KENJIMIYAZAKI MORIYASU
    • H01P1/10
    • PROBLEM TO BE SOLVED: To solve problems of a conventional high frequency switch that the impedance viewed from a high frequency branch point toward each output terminal is greatly fluctuated attended with a frequency change, variations in a reflection characteristic at an input terminal due to a frequency change are high, and a pass characteristic between the input terminal and the output terminal is greatly fluctuated attended with the frequency change.
      SOLUTION: A high frequency switch disclosed herein includes: an input terminal; a first high frequency line one terminal of which is connected to the input terminal and having an electric length of (1/4+M/2) wavelength (M is an integer) equivalent to a desired frequency; a parallel switching element connected to the other terminal of the first high frequency line; a second high frequency line one terminal of which is connected to the parallel switching element and having an electric length of (1/4+N/2) wavelength (N is an integer) equivalent to the desired frequency; a series switching element one terminal of which is connected to the other terminal of the second high frequency line; and an output terminal connected to the other terminal of the series switching element.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题为了解决传统的高频开关的问题,即从高频分支点向每个输出端子观察的阻抗极大地波动,伴随着频率变化,输入端子的反射特性的变化由于 频率变化高,输入端子和输出端子之间的通过特性随频率变化而大幅波动。 解决方案:本文公开的高频开关包括:输入端子; 第一高频线一端连接到输入端并具有等于所需频率的(1/4 + M / 2)波长(M为整数)的电长度; 连接到第一高频线的另一端的并联开关元件; 第一高频线,其一端连接到并联开关元件,并具有等于所需频率的(1/4 + N / 2)波长(N为整数)的电长度; 串联开关元件,其一个端子连接到第二高频线路的另一端子; 以及与串联开关元件的另一端子连接的输出端子。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • 歪補償回路および歪補償方法
    • 失真补偿电路和失真补偿方法
    • JP2015061204A
    • 2015-03-30
    • JP2013193623
    • 2013-09-19
    • 三菱電機株式会社Mitsubishi Electric Corp
    • ANDO NOBUHIKONOTO HIFUMIKAWAKAMI KENJI
    • H03F1/32H04B1/04
    • 【課題】本発明は、補償用データに必要なメモリ量を低減可能な予歪補償回路を提供することを目的とする。【解決手段】基準温度における電力増幅部の入出力特性の非線形性を補償する第1の補償用データを有し、第1の補償用データのうち電力増幅部の出力電力検出値に対応するデータに従って、入力信号に対し補償処理を行なう第1補償部と、基準温度以外における電力増幅部の入出力特性の利得偏差特性と基準温度における利得偏差特性との特性差を補償する第2の補償用データを有し、第2の補償データのうち電力増幅部の温度検出値に対応するデータに従って、第1補償部で補償処理された入力信号に対し、補償処理を行なう第2補償部とを備える。【選択図】図2
    • 要解决的问题:提供一种预失真补偿电路,其需要较少的用于补偿数据的存储器。解决方案:预失真补偿电路包括:第一补偿部分,其具有补偿输入输出的非线性的第一补偿数据 特性,并且根据与功率放大部的输出功率检测值对应的第一补偿数据之一,对输入信号进行补偿处理; 以及第二补偿部,其具有补偿功率放大部的非参考温度的输入输出特性的增益偏差特性与基准温度下的增益偏差特性之间的特性差的第二补偿数据,并执行 根据对应于功率放大部分的温度检测值的第二补偿数据之一对在第一补偿部分进行补偿处理的输入信号的补偿处理。