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1. 发明专利

JP2008109435A Radio communication equipment 有权
标题翻译：无线电通信设备
公开(公告)号：JP2008109435A
公开(公告)日：2008-05-08
申请号：JP2006290858
申请日：2006-10-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MORI SHIGEHISA , OZAKI YUTAKA , TOTANI KAZUYUKI , WATANABE KOICHIRO
IPC分类号： H04B1/04
摘要： PROBLEM TO BE SOLVED: To obtain radio communication equipment capable of adjusting transmitting power with high accuracy by synchronizing a burst signal to be inputted with ALC (auto level control) switching and performing ALC between when only the burst signal is transmitted and when a continuous signal and the burst signal are mixed and transmitted.
SOLUTION: A comparison determining part 16 compares an input power value P1 with an input reference value Pin, and determines that an input signal exists when P1 becomes equal to or greater than Pin. A comparison determining part 18 compares a transmitting power value P3 at the preceding control time stored in a memory 17 with a transmitting power value P2 at the present control time, determines whether a decreased amount (P3-P2) becomes equal to or greater than a prescribed value and determines whether an increased amount (P2-P3) becomes equal to or greater than a prescribed value. A first gain control part 20 and a second gain control part 21 command a gain control amount to a variable gain device 4 on the basis of these determination results.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够高精度地调整发送功率的无线电通信设备，在只有突发信号被发送和何时才能同步ALC（自动电平控制）切换输入的脉冲串信号和执行ALC 连续信号和突发信号被混合并传输。
解决方案：比较确定部分16将输入功率值P1与输入参考值Pin进行比较，并且当P1变得等于或大于Pin时，确定输入信号存在。比较确定部18将存储在存储器17中的前一控制时间的发送功率值P3与当前控制时间的发送功率值P2进行比较，判断减少量（P3-P2）是否变为等于或大于并且确定增加量（P2-P3）是否变得等于或大于规定值。第一增益控制部分20和第二增益控制部分21基于这些确定结果向可变增益装置4指令增益控制量。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2005184258A High-frequency amplifier 审中-公开
标题翻译：高频放大器
公开(公告)号：JP2005184258A
公开(公告)日：2005-07-07
申请号：JP2003419967
申请日：2003-12-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SHINJO SHINTARO , SUEMATSU KENJI , TOTANI KAZUYUKI , YOSHIDA KENJI
IPC分类号： H03F1/32 , H03F3/195
摘要： PROBLEM TO BE SOLVED: To achieve an amplifier in which gain can be increased and distortion can be reduced, by solving the problems, wherein the gain of the amplifier cannot be increased due to transmission loss and the inflection point of the gain to input power cannot be controlled in the distortion compensation circuit of a conventional high-frequency amplifier.
SOLUTION: The high-frequency amplifier comprises a distortion compensation amplifier consisting of an amplifier with an NPN bipolar transistor as an amplification element, a bypass circuit for supplying a base bypass voltage to the amplification element, and a control circuit for adjusting the bypass circuit; and a main amplifier in which distortion is compensated by the distortion compensation amplifier. The distortion compensation amplifier is in a configuration where the bypass circuit is made by adding a P-type current mirror circuit and a constant current source to a current mirror type bias circuit, and is in a configuration having inversely curved gain characteristics by adjusting the mirror ratio of the P-type current mirror circuit by the control circuit.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了实现可以增加增益并且可以降低失真的放大器，通过解决由于传输损耗和增益的拐点不能增加放大器的增益的问题，在传统的高频放大器的失真补偿电路中不能控制输入功率。解决方案：高频放大器包括失真补偿放大器，其由具有NPN双极晶体管的放大器作为放大元件，用于向放大元件提供基极旁路电压的旁路电路，以及用于调整旁路电路; 以及失真由失真补偿放大器补偿的主放大器。失真补偿放大器处于通过将P型电流镜电路和恒流源添加到电流镜式偏置电路而构成旁路电路的结构，并且通过调整反射镜处于具有相反弯曲增益特性的构造 P型电流镜电路的比例由控制电路构成。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2004349847A High frequency filter 审中-公开
公开(公告)号：JP2004349847A
公开(公告)日：2004-12-09
申请号：JP2003142254
申请日：2003-05-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： UCHIDA HIROMITSU , MIYAZAKI MORIYASU , YONEDA HISAFUMI , KONISHI YOSHIHIKO , TOTANI KAZUYUKI , JINNO HIROTAKA
IPC分类号： H01P1/203
摘要： PROBLEM TO BE SOLVED: To obtain a high frequency filter which has a low loss and superior group delay flatness.
SOLUTION: The high frequency filter is provided with: a 1st transmission line; and a plurality of couples of resonance circuits each consisting of a 1st resonance circuit and a 2nd resonance circuit which are coupled with the 1st transmission line and also coupled with each other, and it is constituted so that the plurality of resonance circuit couples are coupled together.
COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2003347853A Distortion compensator of feed-forward amplifier 审中-公开
标题翻译：进给放大器的失真补偿器
公开(公告)号：JP2003347853A
公开(公告)日：2003-12-05
申请号：JP2002148147
申请日：2002-05-22
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TOTANI KAZUYUKI
IPC分类号： H03F1/32
摘要： PROBLEM TO BE SOLVED: To realize a high power amplifier which is durable in high-speed high-capacity communications in a small size at a low cost, and high reliability by obtaining a feed forward amplifier having a linearity over a wide band.
SOLUTION: The compensator of a feed forward amplifier for compensating its distortion components contained in output signals from a main amplifier 6 in a specified frequency band comprises: a first transmission system 9 for transmitting the output signals from the main amplifier 6; a second transmission system 8 for transmitting the distortion components produced from the main amplifier 6; a cable 10a inserted in the first or second transmission system for compensating a mean delay time for the frequency band of the first and second transmission systems; and a variable phase shifter 12, inserted in the first or second transmission system for controlling fine phase quantities of the first and second transmission systems.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：通过获得在宽带上具有线性的前馈放大器，实现了以低成本在小尺寸的高速大容量通信中耐用的高功率放大器，并且具有高的可靠性。解决方案：用于补偿其在特定频带中的主放大器6的输出信号中包含的失真分量的前馈放大器的补偿器包括：用于发送来自主放大器6的输出信号的第一传输系统9; 用于发送从主放大器6产生的失真分量的第二传输系统8; 插入第一或第二传输系统中的电缆10a，用于补偿第一和第二传输系统的频带的平均延迟时间; 以及插入在第一或第二传输系统中的可变移相器12，用于控制第一和第二传输系统的精细相量。版权所有（C）2004，JPO

5. 发明专利

JP2000357583A MICROWAVE OVEN 失效
公开(公告)号：JP2000357583A
公开(公告)日：2000-12-26
申请号：JP16774299
申请日：1999-06-15
申请人： MITSUBISHI ELECTRIC CORP
发明人： TOTANI KAZUYUKI
IPC分类号： H05B6/68 , F24C7/02 , H05B6/72
摘要： PROBLEM TO BE SOLVED: To effectively heat an object to be heated. SOLUTION: An oven 8 incorporates therein plane antennas 6a-6c for irradiating an object 7 to be heated with a microwave from a magnetron 1, for receiving a wave H reflected on the object 7 to be heated and reading an optimum beam from a memory in accordance with received information so as to control an irradiating beam S based on the read information. A phase converting circuit is connected to the antenna, and uses a high-output transistor as microwave generating means, thereby controlling the phase of the microwave to be emitted from the antenna.

6. 发明专利

JP2004289573A Feedforward amplifier 审中-公开
公开(公告)号：JP2004289573A
公开(公告)日：2004-10-14
申请号：JP2003080016
申请日：2003-03-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TOTANI KAZUYUKI
IPC分类号： H03F1/32
摘要： PROBLEM TO BE SOLVED: To effectively reduce a distortion by solving the problem that, since the change of a distortion frequency generated in an amplifier cannot be dealt with a predistortion (front-end distortion compensating) circuit generally used in a feedforward amplifier circuit, if a frequency variation is large in a multi-carrier communication, etc., the feedforward amplifier cannot be adapted; assembling the feedforward amplifier with a closed loop type predistortion; and dealing with the large change of the frequency of the distortion of the amplifier.
SOLUTION: The distortion signal obtained from the distortion extraction loop of the feedforward amplifier circuit is amplified, and the part of the output of the auxiliary amplifier 112 of a distortion removing loop is fed back to the input of a main amplifier 105. Then, a third vector regulator 121 is newly installed on a feedback line, and is regulated at an optimum control voltage by utilizing a pilot signal. This regulated distortion signal is set as a predistortion signal.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004254096A Feedforward circuit 审中-公开
公开(公告)号：JP2004254096A
公开(公告)日：2004-09-09
申请号：JP2003042675
申请日：2003-02-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： IGAWA SATORU , TOTANI KAZUYUKI
IPC分类号： H03F1/32
摘要： PROBLEM TO BE SOLVED: To obtain a feedforward circuit capable of minimizing distortion even when the control voltage for giving the minimum point of detection voltage does not coincide with the optimum point for minimizing distortion.
SOLUTION: This feedforward circuit is provided with a first vector regulator for adjusting the phase and amplitude of an input signal, a distortion extraction circuit for extracting distortion components by combining an output of the first vector regulator with the input signal with an antiphase, a second vector regulator for adjusting the phase and amplitude of an output of the distortion extraction circuit, a distortion elimination circuit for combining the output of the second vector regulator with the output of the first vector regulator in an antiphase and eliminating distortion components included in the output of the first vector regulator, a distortion extraction loop control means for feeding control voltage for adjustment in the first vector regulator, a distortion elimination loop control means for feeding control voltage for adjustment in the second vector regulator, and a correcting means for correcting the control voltage fed by the distortion extraction loop control means and the distortion elimination loop control means.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2003347864A Transistor amplifier 有权
标题翻译：晶体管放大器
公开(公告)号：JP2003347864A
公开(公告)日：2003-12-05
申请号：JP2002148148
申请日：2002-05-22
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TOTANI KAZUYUKI , SAKAI YUJI
IPC分类号： H03F3/24 , H03G3/30
摘要： PROBLEM TO BE SOLVED: To suppress performance variations in a transistor amplifier caused by variations in max output and distortion characteristics of a transistor element to obtain improved performance of the transistor amplifier such as multi- specification output, high efficiency, and low distortion.
SOLUTION: The amplifier for controlling an output level and a distortion level using the voltage value provided to a drain and a gate includes a detection method (branching filter) 11 for its output level, a drain voltage generation method 4 varying the drain voltage value so that the output level is higher than the predetermined level, a distortion detection method 7 detecting the distortion level of the amplifier from the input and output levels of the amplifier, and a gate voltage generation method 5 varying the gate voltage value so that the distortion level is minimized.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了抑制由于晶体管元件的最大输出和失真特性的变化引起的晶体管放大器的性能变化，以获得诸如多规格输出，高效率和低失真的晶体管放大器的改进的性能。解决方案：使用提供给漏极和栅极的电压值来控制输出电平和失真电平的放大器包括用于其输出电平的检测方法（分支滤波器）11，改变漏极的漏极电压产生方法4 电压值使得输出电平高于预定电平，失真检测方法7根据放大器的输入和输出电平检测放大器的失真电平，以及栅极电压产生方法5，改变栅极电压值，使得失真水平被最小化。版权所有（C）2004，JPO

9. 发明专利

JP2001339251A FEEDFORWARD AMPLIFIER 失效
公开(公告)号：JP2001339251A
公开(公告)日：2001-12-07
申请号：JP2000154581
申请日：2000-05-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAYAMA MASATOSHI , HORIGUCHI KENICHI , SAKAI YUJI , IKEDA YUKIO , TOTANI KAZUYUKI , KUNUGI MASARU , SENDA HARUYASU
IPC分类号： H03F1/32 , H03F3/189
摘要： PROBLEM TO BE SOLVED: To overcome the problem such that a feedforward amplifier needs to be large in size and has decreased efficiency a BPF 24 is generally large in size and large in loss although the BPF 24 is provided to stop a 1st pilot signal from being outputted from an output terminal 25. SOLUTION: A distortion component extracted by a 2nd distortion extraction loop 65 and a 1st pilot signal are composited with the input signal after the composition by a 1st distortion canceling loop 47 to cancel a distortion component remaining in the input signal and the 1st pilot signal.

10. 发明专利

JP2004286632A Circuit for monitoring vswr 审中-公开
标题翻译：监测VSWR的电路
公开(公告)号：JP2004286632A
公开(公告)日：2004-10-14
申请号：JP2003080015
申请日：2003-03-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TOTANI KAZUYUKI
IPC分类号： G01R27/06 , G01S7/285 , H04B17/00
摘要： PROBLEM TO BE SOLVED: To accurately measure VSWR by considering leak power from ISO port. SOLUTION: A VSWR monitoring circuit is provided with the means of: (1) adjusting a vector regulator 105 at a detection voltage of the output coupled with reversed phase of the amplified branch signal by way of the vector adjuster 105, the branch signal before amplifying which is branched signal before amplifying the transmission signal progressive wave 121, with the amplified branch signal having branched the signal after amplifying, and the branched signal before amplifying; (2) adjusting the transmission signal advancing wave branched from a part of the output of the vector regulator 105 with a second vector regulator 108; and (3) removing the advancing wave component by making the output of the second vector regulator 108 couple to a reflection branch signal which separated the reflection wave 122 that includs leakage signal of the transmission signal advancing wave 121, with reversed phase. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过考虑ISO端口的泄漏功率来精确测量VSWR。解决方案：VSWR监视电路具有以下手段：（1）通过矢量调节器105调整与经放大的分支信号的反相耦合的输出的检测电压的矢量调节器105，分支在放大发送信号行进波121之前是分支信号的放大前的信号，放大后的分支信号经放大的分支信号和放大前的分支信号; （2）用第二矢量调节器108调整从矢量调节器105的输出的一部分分支出的发送信号前进波; 和（3）通过使第二矢量调节器108的输出耦合到反射分支信号来去除前进波分量，所述反射分支信号将反射波122分离，反射波122包括发射信号前进波121的泄漏信号。版权所有（C）2005，JPO＆NCIPI

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