| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Polar-modulation transmitting apparatus and method | JP2009015330 | 2009-01-27 | JP2009273110A | 2009-11-19 | NAKAMURA MAKI; ISHIDA KAORU |
| PROBLEM TO BE SOLVED: To compensate surely the characteristic-degradation in a polar-modulation on the occasion of temperature variation while controlling the output power of its transmitting signal in a wide range. SOLUTION: The polar-modulation transmitting apparatus 100 has a temperature sensor 120, a temperature compensation portion 160-1 for correcting an amplitude component signal and performing the temperature compensation of a transmitting-power amplifying portion 190, a second temperature compensation portion 160-2 for correcting a power adjusting signal and performing the temperature compensation of a power adjusting portion 180, and a correction-value setting portion 130 for setting the correction values of the temperature compensation portions 160-1, 160-2. In a first mode, only the amplitude component signal is corrected in response to the measuring result of the temperature sensor 120, and in a second mode, the amplitude component signal and the power adjusting signal are corrected in response to the measuring result of the temperature sensor 120. COPYRIGHT: (C)2010,JPO&INPIT | ||||||
| 142 | Transmitter | JP2005148291 | 2005-05-20 | JP4255929B2 | 2009-04-22 | 充 田邊; 泰司 秋月 |
| 143 | System and method for vector power amplification | JP2007538115 | 2005-10-24 | JP2008518514A | 2008-05-29 | エス．ローリンズ グレゴリー; エフ．ソレルズ デビッド; ダブリュ．ローリンズ マイケル |
| ベースバンド信号を増幅および周波数アップ・コンバートする方法は、所望する出力周波数に対応する周波数で入力クロックを受け取る（５１０）こと、所望する出力周波数でベースバンド同相（Ｉベクトル）包絡線および位相情報を独立に増幅する（５６２）こと、所望する出力周波数でベースバンド直交（Ｑベクトル）包絡線および位相情報を独立に増幅する（５６４）こと、および増幅されたベースバンドの同相および直交情報を合算し（５７２）、所望する周波数の所望する波形を生成すること、を備える。 | ||||||
| 144 | Pseudo very modulation radio transmitter | JP2006523193 | 2004-07-13 | JP2007502577A | 2007-02-08 | デント、ポール、ダブリュ． |
| 無線送信機の変調方法。 情報信号の同相（I）および直角位相（Q）成分に基づいて振幅変調信号が発生され、それは情報信号のＩおよびＱ成分の大きさに較べて低減された予め定められた特性を有するようにされる。 複素信号が形成され、それは情報信号のＩおよびＱ成分と実質的に同じ位相角変動を有し、複素信号と振幅変調信号の積が実質的に情報信号と等しくなるようにされる。 | ||||||
| 145 | Circuit and method for linearizing amplitude modulation in power amplifier | JP2005083605 | 2005-03-23 | JP2005184866A | 2005-07-07 | CAMP WILLIAM O JR; SCHLANG JEFFREY; GORE CHARLES; BOESCH RONALD D; ARPAIA DOMENICO |
| PROBLEM TO BE SOLVED: To provide a circuit and method for linearizing amplitude modulation in a power amplifier. SOLUTION: An RF amplifier includes an oscillator developing an RF input signal to be transmitted. A power amplifier receives the RF input signal and amplifies the RF input signal to develop an RF output signal. An amplifier control is operatively associated with the oscillator and the power amplifier. The amplifier control includes means for developing a control signal representing a desired amplitude of the RF output signal. A memory stores correction information correlating an actual amplitude of the RF output signal relative to the control signal, and a control varies the power amplifier circuit supply voltage using the control signal modified responsive to the correction information for the desired amplitude. COPYRIGHT: (C)2005,JPO&NCIPI | ||||||
| 146 | Control the modulation of one or switching type power amplifier having two or more stages power | JP2002533469 | 2001-10-09 | JP2004529514A | 2004-09-24 | ウェンデル・ビー・サンダー; ステファン・ヴィー・シェル; ロナルド・エー・メック |
| 入力ポートと出力ポートと電源ポートを含む少なくとも３つのポートを持つ最終増幅段を含む増幅機器を用いた、可変出力信号を生成する方法において、この方法は、電源出力の少なくとも一つと、その出力ポートで作られる増幅機器の出力信号の変調特性とを制御するために、増幅機器の電源ポートに印加される信号を変更する段階と、増幅機器の出力信号の希望する特性に従って、増幅機器の入力ポートに印加される入力信号を、振幅において選択的に変化させる段階とを備え、前記最終増幅段は、時間的にかなりの割合の間、線形領域内で動作すること無く、最終増幅段をハードオン状態とハードオフ状態の２つの状態の間で、繰り返して駆動させる駆動信号を持ち、前記最終増幅段は、前記可変出力信号を連続的にあるいは頻繁に測定し帰還調整すること無く、制御されることを特徴とする。 | ||||||
| 147 | Radio data transmission method between base station and transmitting/receiving apparatus, transmitting/receiving apparatus, and amplitude shift keying modulation apparatus for transmitting/receiving apparatus | JP2004004143 | 2004-01-09 | JP2004222280A | 2004-08-05 | FISCHER MARTIN; FRIEDRICH ULRICH |
| PROBLEM TO BE SOLVED: To provide a data transmission method, and a transmitting/receiving apparatus and a modulation apparatus corresponding thereto for making sure data transmission between a base station and a passive or semi-passive transponder, for example, possible widely from a small distance to a large distance. SOLUTION: While depending on an electric field strength of an electromagnetic wave received by the transmitting/receiving apparatus, in addition to a first modulation process or in place of the first modulation process, modulation in a second modulation process is performed for reflection. COPYRIGHT: (C)2004,JPO&NCIPI | ||||||
| 148 | rf power amplifier with high power phase pressurized efficiency | JP2001581410 | 2001-05-02 | JP2004518311A | 2004-06-17 | メック・ロナルド・エイ |
| The present invention, generally speaking, provides an RF power amplifier that exhibits high PAE at high output powers. The design of the power amplifier is based on the observation that the switching transistor is controlled by either voltage (for a FET) or current (for bipolar transistors), but not both. Thus, it is not necessary to develop power from the driver amplifier in order to operate the final stage as a switch. This recognition runs exactly counter to conventional wisdom, i.e., the concept of impedance matching for interstage design of high efficiency power amplifiers. It is impossible to develop solely a voltage waveform or a current waveform in a passband (resonant) network such as an RF power amplifier-both voltages and current must exist. In accordance with one aspect of the invention, however, instead of maximizing power transfer, power consumption is reduced while maintaining the magnitude of the voltage (or current) waveform. In accordance with another aspect of the invention, the driver is designed to, along with the final stage, operate in switch mode. In this instance, the design of the interstage network is similar to that of a Class E output stage. In the case of the interstage network, however, the objective is not to develop maximum power across the load (as in the case of the Class E output stage). Rather, the objective is to develop the maximum voltage across the driver's load (which is the switch input). In this arrangement, the input drive of the switch may be sufficiently high that the operating voltage of the driver stage may be reduced. This reduction further reduces the DC supply power to the driver, enhancing PAE. | ||||||
| 149 | Radio communication apparatus | JP2003054042 | 2003-02-28 | JP2004007443A | 2004-01-08 | TAKANO RYOICHI; HIKASA KAZUHIKO; KIMURA YASUYUKI; HAGISAWA HIROSHI; WURM PATRICK; HENSHAW ROBERT ASTLE; FREEBOROUGH DAVID |
| PROBLEM TO BE SOLVED: To provide a radio such as a cellular telephone communication apparatus which has a function of performing phase modulation and amplitude modulation, and is capable of improving the modulation accuracy of a transmission waveform and spectral regrowth and capable of satisfactorily suppressing noises over a reception frequency band. SOLUTION: The radio communication apparatus employs a polar loop system having a phase control loop for controlling the phase of a carrier wave outputted from a transmission oscillator (TxVCO), and an amplitude control loop for controlling the amplitude of a transmission output signal outputted from a power amplifier circuit (210). The apparatus is constituted in such a way that transmission in a GMSK (Gaussian minimum shift keying) mode and transmission in an 8-PSK mode. This apparatus shares a phase control loop used in the GMSK modulation mode and a phase control loop used in the 8-PSK modulation mode. COPYRIGHT: (C)2004,JPO | ||||||
| 150 | Modulator, transmitter | JP2007293 | 1993-02-08 | JP3419484B2 | 2003-06-23 | 隆文 山路 |
| 151 | How cancellation from the amplitude modulation of Rf amplifier to the phase modulation | JP2000587434 | 1999-11-16 | JP2002532932A | 2002-10-02 | キャンプ、ウィリアム、オー、ジュニア; ゴア、チャールズ; シュラング、ジェフリー、エイ; マンナーシュトラーレ、ヤコブ |
| (57)【要約】 送信機用のＲＦ増幅器は、ＲＦ信号の所望の位相変調を表す位相変調コマンドと、ＲＦ信号の所望の振幅変調を表す振幅変調コマンドとを生成する。 発振器は位相変調コマンドに基づいて位相変調されたＲＦ入力信号を生成する。 電力増幅器はそのＲＦ入力信号を受信して、振幅変調コマンドに基づいてそのＲＦ入力信号を増幅し、ＲＦ出力信号を生成する。 変調制御は発振器に付随的に動作する。 変調制御は、振幅変調コマンドを位相変調エラーに関連付ける位相修正情報を記憶するための位相記憶と、電力増幅器の振幅変調によって生ずる意図しない位相エラーを修正するために位相変調エラーに基づいて位相変調コマンドを変更するための位相制御とを含む。 | ||||||
| 152 | JPH0580856B2 - | JP5713885 | 1985-03-20 | JPH0580856B2 | 1993-11-10 | NAGATA YOSHIAKI |
| 153 | Vector modulating system, vector modulator, vector modulating device, and i-q modulating method | JP27338991 | 1991-09-25 | JPH04282937A | 1992-10-08 | TOOMASU EMU HIGINZU JIYUNIA; MAAKASU KEI DASHIRUBA; ROBAATO JIEI KONREI |
| PURPOSE: To improve the modulating accuracy of a vector modulator and expand the modulating function of the modulator by performing arbitrary nonlinear processing by suppressing the amplitude fluctuation of component outputs to be modulated by using a phase modulator for the modulation of vector component signals. CONSTITUTION: In a vector modulating system 20, phase modulators 22a and 22b are used instead of amplitude modulators and the 90°-phase shift network of the modulator is exchanged with a phase shift network 24 which generates an arbitrary phase shift. In the system 20, therefore, component phase modulated signals Va and Vb on lines 26 and 28 have fixed amplitudes, but the combined output signal outputted to a line 30 from an addition network 32 can have both amplitude and phase modulation. Therefore, vector modulation can be performed over a wide range. COPYRIGHT: (C)1992,JPO | ||||||
| 154 | JPH0312828B2 - | JP4041384 | 1984-03-05 | JPH0312828B2 | 1991-02-21 | YAMAGUCHI YOSHITADA |
| 155 | Transmission equipment for efficiently transmitting communication traffic through phase-modulated carrier signal | JP24538689 | 1989-09-22 | JPH02180453A | 1990-07-13 | GUREGORII JIYON AANSUTO; DANIERU MATSUKUREITO FURARII J |
| PURPOSE: To save the power and to reduce the cost of a transmitter by using a class 'C' amplifier and correcting a generated nonlinear phase characteristic. CONSTITUTION: A PROM 13 generates a data value for execution of prescribed phase shift to offset the phase shift of a class 'C' amplifier 19 and a required extent of phase shift indicating the phase state of input data. Therefore, the class 'C' amplifier 19 can be used to effectively amplify and transmit a phase- modulated carrier signal which has a required modulated envelope function. Amplitude modulation in the class 'C' amplifier 19 doesn't cause any phase distortion, as the result, in an input carrier signal which carries telephone traffic as a phase modulation component. Consequently, an improved transmission equipment having a high power efficiency and a practically low production cost is provided. COPYRIGHT: (C)1990,JPO | ||||||
| 156 | JPS6348464B2 - | JP3594882 | 1982-03-09 | JPS6348464B2 | 1988-09-29 | YOHANNESU OTSUTOO UOORUMAN |
| 157 | Multi-mode radio transmitter-receiver | JP23855285 | 1985-10-24 | JPS61105948A | 1986-05-24 | JIYON MASUTAATON; PIITAA ARAN RAMUSUDEERU |
| 158 | JPS5931244B2 - | JP10159575 | 1975-08-21 | JPS5931244B2 | 1984-08-01 | HARUYAMA NOBUO |
| 159 | 振幅−時間変調と位相変調の組合せ | JP2016562468 | 2015-01-05 | JP2017509269A | 2017-03-30 | イー． リー，アーサー |
| 少なくとも1つの振幅−時間変調された正弦波及び少なくとも1つの位相変調された波を含む複合ノッチ正弦波形を生成する1つ又は複数の可変位相変化波形と組み合わせられたエンコードされたデジタル情報を収容する1つ又は複数の実質的正弦波形を有する複合信号波を生成する方法。位相内の波の正弦波振幅に対する変更の存在又は不存在がデータ値を示している。これらのデータ値は、データサイクル又はパケット内において変化させることができる。従来の振幅変調技法と比較された際に、振幅−時間変調技法は、低減された変調歪を提示する。この通信信号における低減された歪は、増大した有効送信長、低減された誤り率、相対的に大きなデータレート、及び改善されたデータセキュリティを結果的にもたらす。 | ||||||
| 160 | Transmitter and can be used to it a semiconductor integrated circuit | JP2009209291 | 2009-09-10 | JP5290098B2 | 2013-09-18 | 崇泰 乗松; 大造 山脇; 幸徳 赤峰; 功治 前田 |
| The transmitter synthesizes amplitude and phase components and calibrates a delay mismatch between amplitude and phase components with high accuracy at high speed. The transmitter has: a digital-to-analog converter (DAC) and a low-pass filter (LPF) in its amplitude-signal path; and a phase modulator operable to convert up a phase component into an RF component in its phase-signal path. In an operation of delay calibration, a test input signal is supplied to a delay-calibrating unit in the amplitude-signal path, and the delay-calibrating unit provides a test input signal to DAC. Then, LPF generates a test output signal. The delay-calibrating unit detects a delay of the test output signal relative to the test input signal, calibrates an amplitude signal delay in a range from the input of the delay-calibrating unit to the output of LPF, reduces the difference between amplitude and phase signal delays of the phase modulator in the phase-signal path. | ||||||
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