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71. 发明专利

JP2009157044A High frequency oscillator 有权
标题翻译：高频振荡器
公开(公告)号：JP2009157044A
公开(公告)日：2009-07-16
申请号：JP2007334143
申请日：2007-12-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MIZUMA MASASHI , KAMEYAMA SHUNPEI , TSURU MASAOMI , HIRANO YOSHIHITO
IPC分类号： G02F1/03 , H03B19/14 , H04B10/2507 , H04B10/29
摘要： PROBLEM TO BE SOLVED: To provide a high frequency oscillator capable of effectively suppressing spurious.
SOLUTION: An electric transmission system 15 includes an oscillator 9, a first coupler 8, a first mixer 5, a band pass filter 7, and a second mixer 6. The first coupler 8 branches an RF signal having a second frequency from the oscillator 9 into two. The first mixer 5 mixes RF signals from an O/E converter 4 and the first coupler 8 to generate two RF signals. The band pass filter 7 allows only a signal component included in a prescribed pass band having a third frequency as the center frequency, to pass through, from the two RF signals from the first mixer 5. The second mixer 6 mixes RF signals from the band pass filter 7 and the first coupler 8 to generate two RF signals. The third frequency is set to a value lower than a first frequency being a frequency of an RF signal outputted from this high frequency oscillator.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够有效地抑制杂散的高频振荡器。解决方案：电传输系统15包括振荡器9，第一耦合器8，第一混频器5，带通滤波器7和第二混频器6.第一耦合器8将具有第二频率的RF信号振荡器9分成两个。第一混频器5混合来自O / E转换器4和第一耦合器8的RF信号以产生两个RF信号。带通滤波器7仅允许包含在具有第三频率的规定通带中的信号分量作为中心频率从来自第一混频器5的两个RF信号通过。第二混频器6将来自频带的RF信号通过滤波器7和第一耦合器8以产生两个RF信号。将第三频率设定为低于从该高频振荡器输出的RF信号的频率的第一频率的值。版权所有（C）2009，JPO＆INPIT

72. 发明专利

JP2008118532A High frequency oscillation source 有权
标题翻译：高频振荡源
公开(公告)号：JP2008118532A
公开(公告)日：2008-05-22
申请号：JP2006301693
申请日：2006-11-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSURU MASAOMI , KAWAKAMI KENJI , KIYUUZAKI MORIYASU , KAMEYAMA SHUNPEI , NAGATSUKA TSUTOMU , HIRANO YOSHIHITO
IPC分类号： H03B28/00 , H03B19/14
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency oscillation source by which an electrical signal is turned into low phase noise, without the use of a high-Q resonant circuit. SOLUTION: The high-frequency oscillation source is provided with an oscillator 101 which outputs oscillating waves of a frequency fr1; delayers 3 and mixers 4 alternately connected to output terminals of the oscillator 101 by N steps; an oscillator 102, which outputs oscillating waves of a frequency fr2 to each of the first to the n-th mixers 4 and the oscillator 101 which outputs the oscillating waves of the frequency fr1 to a mixer 4 at (N+1)th step of the last step connected to the N-th mixer 4. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供高频振荡源，通过该高频振荡源，电信号变成低相位噪声，而不使用高Q谐振电路。解决方案：高频振荡源设置有输出频率fr1的振荡波的振荡器101; 延迟器3和混频器4通过N个步骤交替地连接到振荡器101的输出端子; 振荡器102，其输出频率fr2的振荡波到第一至第n混频器4和振荡器101，振荡器101将频率fr1的振荡波输出到第（N + 1）级的混频器4 连接到第N个混合器4的最后一步。版权所有（C）2008，JPO＆INPIT

73. 发明专利

JP2008118441A High frequency oscillation source 有权
标题翻译：高频振荡源
公开(公告)号：JP2008118441A
公开(公告)日：2008-05-22
申请号：JP2006300339
申请日：2006-11-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIDA KAZUHIRO , TSURU MASAOMI , KAWAKAMI KENJI , MIYAZAKI MORIYASU , KAMEYAMA SHUNPEI , NAGATSUKA TSUTOMU , HIRANO YOSHIHITO
IPC分类号： H03B19/00 , H03L7/24
摘要： PROBLEM TO BE SOLVED: To attain the low phase noise of an electric signal without using a high Q-value resonance circuit.
SOLUTION: A high frequency oscillation source includes: a light source 1 with a frequency f
1 ; first to N-th delay devices 3 alternately connected to the output terminal of the light source 1 by N-stages (N: an integer not less than one); first to N-th optical phase modulators 4 for modulating lightwave, delayed by the first to N-th delay devices 3, with the use of oscillation wave to be inputted; a microwave oscillation means 2 for outputting an oscillation wave with a frequency f
r to the first to N-th optical phase modulators 4; an O/E converter 5 connected to the output terminal of the N-th optical phase modulator 4; and a band pass filter 6 with a pass band (2Nf
r ), connected to the O/E converter 5.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了在不使用高Q值谐振电路的情况下获得电信号的低相位噪声。解决方案：高频振荡源包括：具有频率f 1 的光源1; 第一至第N延迟装置3以N级（N：不小于1的整数）交替地连接到光源1的输出端子。第一至第N光相位调制器4，用于调制由第一至第N延迟装置3延迟的光波，并使用振荡波进行输入; 用于向第一至第N光相位调制器4输出具有频率f r 的振荡波的微波振荡装置2; 连接到第N个光相位调制器4的输出端的O / E转换器5; 和连接到O / E转换器5的带通（2Nf r ）的带通滤波器6.（C）2008，JPO＆INPIT

74. 发明专利

JP2007208313A Injection-locked oscillator 有权
标题翻译：注射锁定振荡器
公开(公告)号：JP2007208313A
公开(公告)日：2007-08-16
申请号：JP2006021336
申请日：2006-01-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIDA KAZUHIRO , TSURU MASAOMI , KAWAKAMI KENJI , MIZUTANI HIROYUKI
IPC分类号： H03L7/24
摘要： PROBLEM TO BE SOLVED: To obtain an injection-locked oscillator capable of reducing injection power with which synchronization can be established.
SOLUTION: The injection-locked oscillator includes a tip-opened stab 2 and a transmission line 3 constituting a resonant circuit with a resonant frequency f
0 which are connected to an injection terminal 1 to which a reference signal of (1/n)f
0 is injected; a field effect transistor 4a in which a microstrip line 4b is connected between a source terminal and a ground so as to have a negative resistance near the frequency f
0 , the reference signal is injected into a gate terminal via the resonant circuit, harmonics of the injected reference signal and an oscillation wave synchronized with the harmonics are generated; and a tip-opened stab 5 provided between the drain terminal of the FET 4a and an output terminal for outputting a signal having an output frequency f
0 or harmonics of f
0 , and feeding an output of an oscillation element back to the FET 4a. Further, a tip-opened stab 4c as an impedance circuit used as a short circuit point at (1/n)f
0 is connected to the source terminal of the FET 4a.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：获得能够降低可以建立同步的注入功率的注入锁定振荡器。解决方案：注入锁定振荡器包括尖端开路尖端2和构成谐振频率f 0 的谐振电路的传输线3，其连接到注入端子1，（1 / n）f 0 的参考信号被注入; 场效应晶体管4a，其中微带线4b连接在源极端子和地之间以便在频率f 0 附近具有负电阻，参考信号被注入到栅极端子经由产生谐振电路，注入参考信号的谐波和与谐波同步的振荡波; 以及设置在FET 4a的漏极端子和用于输出具有输出频率f 0 或f 0 的谐波的信号的输出端子之间的尖端开路的针5，并将振荡元件的输出馈送到FET 4a。此外，作为在（1 / n）f 0 下的短路点的阻抗电路的尖端开口的尖头4c连接到FET 4a的源极端子。版权所有（C）2007，JPO＆INPIT

75. 发明专利

JP2006005769A Negative capacitor circuit 有权
标题翻译：负电容电路
公开(公告)号：JP2006005769A
公开(公告)日：2006-01-05
申请号：JP2004181542
申请日：2004-06-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSURU MASAOMI , KAWAKAMI KENJI , TAJIMA KENICHI , MIYAZAKI MORIYASU , MIYAMOTO KAZUHIRO , NAKANE MASABUMI
IPC分类号： H03H11/48
摘要： PROBLEM TO BE SOLVED: To obtain a negative capacitor circuit that does not satisfy an unneeded oscillation condition by reducing loop gain in the negative capacitor circuit.
SOLUTION: An attenuator 4a is inserted and connected serially between the gate terminal of a first FET 1a and the drain terminal of a second FET 1b of the two FETS whose sources are grounded, an attenuator 4b is inserted and connected serially between the drain terminal of the first FET 1a and the gate terminal of the second FET 1b, an inductor one end of which is grounded is connected to the drain terminal of the first FET 1a, and a load one end of which is grounded is connected to the drain terminal of the second FET 1b.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过减小负电容电路中的环路增益来获得不满足不需要的振荡条件的负电容器电路。解决方案：衰减器4a串联连接在第一FET 1a的栅极端子和源极接地的两个FET的第二FET 1b的漏极端子之间，衰减器4b插入并串联连接第一FET 1a的漏极端子和第二FET 1b的栅极端子，其一端接地的电感器连接到第一FET 1a的漏极端子，并且其一端接地的负载连接到漏极端子。版权所有（C）2006，JPO＆NCIPI

76. 发明专利

JP2005033581A Phase synchronization loop type frequency synthesizer of fractional-n method 审中-公开
$Phase synchronization loop type frequency synthesizer of fractional-n method$
标题翻译：分类方法的相位同步环类型频率合成器
公开(公告)号：JP2005033581A
公开(公告)日：2005-02-03
申请号：JP2003271394
申请日：2003-07-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAJIMA KENICHI , TSURU MASAOMI , NAKANE MASABUMI , TAKAGI SUNAO
IPC分类号： H03L7/183 , H03L7/197 , H04B14/06
CPC分类号： H03L7/1976
摘要： PROBLEM TO BE SOLVED: To provide a phase synchronization loop type frequency synthesizer of a fractional-N method operating with a high speed and stability. SOLUTION: There is provided the phase synchronization loop type frequency synthesizer of a fractional-N method comprising a reference oscillating source 101 for producing reference signals, a voltage control oscillator 5 for generating high-frequency signals, a feedback circuit 102 for producing synchronous signals from the high-frequency signals, a phase comparator 3 for inputting the reference signals and the synchronous signals, and a loop filter 4 for inputting the output of the phase comparator to output control signals of the voltage control oscillator. In the phase synchronization loop type frequency synthesizer, the feedback circuit 102 is equipped with variable dividers 6a, 6b which divides the high-frequency signals and outputs the synchronous signals and further two or more of which are series-connected, and modulation circuits 7a, 7b that are provided for each of these variable dividers and output the control signals of each variable divider depending on set data from an outside according to clock signals. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供以高速度和稳定的方式操作的分数N方法的相位同步环路型频率合成器。提供了一种分数N方法的相位同步环型频率合成器，包括用于产生参考信号的参考振荡源101，用于产生高频信号的电压控制振荡器5，用于产生高频信号的反馈电路102 来自高频信号的同步信号，用于输入参考信号和同步信号的相位比较器3，以及用于输入相位比较器的输出以输出电压控制振荡器的控制信号的环路滤波器4。在相位同步环型频率合成器中，反馈电路102配备有可变分频器6a，6b，其分频高频信号并输出同步信号，并且其中两个或更多个是串联连接的，并且调制电路7a， 7b，其被设置用于这些可变分频器中的每一个，并且根据来自外部的设置数据根据时钟信号输出每个可变分频器的控制信号。版权所有（C）2005，JPO＆NCIPI

77. 发明专利

JP2004266505A Voltage controlled oscillator 有权
公开(公告)号：JP2004266505A
公开(公告)日：2004-09-24
申请号：JP2003053799
申请日：2003-02-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSURU MASAOMI , TAJIMA KENICHI , SHIMOZAWA MITSUHIRO , TAKAGI SUNAO , MIYAMOTO KAZUHIRO , NAKANE MASABUMI
IPC分类号： H03B5/12 , H03B5/18
摘要： PROBLEM TO BE SOLVED: To obtain a voltage controlled oscillator capable of preventing unnecessary oscillation and obtaining oscillation frequency in wide band.
SOLUTION: In a tuned circuit 3, it is provided with a serial resonance circuit 31 consisting of a first inductor 32 and a first varactor diode 33 to which control voltage is impressed and a T-shaped 90° inverter circuit 34 consisting of a second inductor 35, a third inductor 36 and a second varactor diode 37. There is only one resonance point of a parallel resonance circuit consisting of the serial resonance circuit 31 and the T-shaped 90° inverter circuit 34, there is no unnecessary resonance point and the unnecessary oscillation is prevented. In addition, the oscillation frequency is obtained in wide band since bonding capacitance of the first varactor diode 33 is changed and at this time, bonding capacitance of the second varactor diode 37 of the T-shaped 90° inverter circuit 34 is also changed when the control voltage to be impressed to the first varactor diode 33 is changed. Thus, oscillation frequency can be obtained to wideband.
COPYRIGHT: (C)2004,JPO&NCIPI

78. 发明专利

JP2003229770A RADIO COMMUNICATION APPARATUS 审中-公开
公开(公告)号：JP2003229770A
公开(公告)日：2003-08-15
申请号：JP2002024281
申请日：2002-01-31
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAJIMA KENICHI , TSURU MASAOMI , IKEMATSU HIROSHI , ISODA YOJI
IPC分类号： H03F1/32 , H04B1/04
摘要： PROBLEM TO BE SOLVED: To solve the problem that the input/output characteristics of power amplifiers 6 generally vary individually and also depending on the temperature change, resulting in the input/output characteristics of a power amplifier 6 used for designing a distortion compensator circuit 5 differing from those of an actual power amplifier 6, but such characteristics difference causes the question of the phase characteristics of the power amplifier 6 unable to be fully compensated, even by connecting the distortion compensator circuit 5 to the power amplifier 6 in series. SOLUTION: The apparatus comprises a DDS 15 for oscillating to generate a local oscillation signal so that own phase characteristics which are reverse to those of a power amplifier 22. COPYRIGHT: (C)2003,JPO

79. 发明专利

JP2003224420A MICROWAVE OSCILLATOR 审中-公开
公开(公告)号：JP2003224420A
公开(公告)日：2003-08-08
申请号：JP2002020230
申请日：2002-01-29
申请人： MITSUBISHI ELECTRIC CORP
发明人： TSURU MASAOMI , KODAMA MAKOTO , TAJIMA KENICHI , ISODA YOJI , MIYATAKE OSAMU , TAKEUCHI NORIO
IPC分类号： H03B5/04 , H03B5/18
摘要： PROBLEM TO BE SOLVED: To provide a microwave oscillator capable of suppressing fluctuations in the temperature of oscillation frequencies by controlling the gate voltages of an FET used as an oscillation element. SOLUTION: The microwave oscillator comprising an FET2 as the oscillation element, a resonant circuit 8 connected to the FET2, a gate bias circuit and a drain bias circuit for the FET2 and having a negative voltage between the drain and the source voltage of the FET2, wherein two circuits which are connected in series with thermistors 13a and 13b with resisters 14a and 14b being respectively connected in parallel are connected in series, a temperature compensated circuit 10 for controlling the gate voltage of the FET2 is provided, in such manner that the center point of the two circuits becomes an output, and an operational amplifier 20 is connected at the output of the compensated circuit 10. COPYRIGHT: (C)2003,JPO

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