JP4118275B2 - 送信装置および無線通信機器 - Google Patents
送信装置および無線通信機器 Download PDFInfo
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- JP4118275B2 JP4118275B2 JP2004510125A JP2004510125A JP4118275B2 JP 4118275 B2 JP4118275 B2 JP 4118275B2 JP 2004510125 A JP2004510125 A JP 2004510125A JP 2004510125 A JP2004510125 A JP 2004510125A JP 4118275 B2 JP4118275 B2 JP 4118275B2
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- 238000004891 communication Methods 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 76
- 238000001514 detection method Methods 0.000 claims description 38
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims 2
- 230000010354 integration Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 25
- 238000012546 transfer Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 13
- 229920006395 saturated elastomer Polymers 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 101150117600 msc1 gene Proteins 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
IEEE journal of solid-state circuits, Vol. 32, No. 12, December 1997, "A 2.7-V GSM RF Transceiver IC", pp. 2089 - 2096 PRENTICE HALL PTR出版、Behard Razavi著、"RF MICROELECTRONICS", pp. 149 - 155 Artech House出版、PETER B. KENINGTON著、"HIGH-LINEARITY RF AMPLIFIER DESIGN", pp. 161 - 164
110 位相分周回路
120 直交変調回路
160 利得制御回路
170 レジスタ
180 シーケンス
200 飽和型電力増幅器(パワーアンプ)
201 出力検出手段
202 減衰器(アッテネータ)
203 ミキサ
204 高周波発振器
206 可変利得増幅器
207 フィルタ
213 第1の低域通過フィルタ
214 可変利得増幅器
215 電流出力型バッファ
216 第2の低域通過フィルタ
217 バッファ
219 フィルタ
220 送信用発振機
230 振幅検出回路
240 位相検出回路
300 ベースバンド回路
C1 容量
C2 容量
C3 容量
R3 抵抗
Claims (10)
- 送信用発振器から出力される搬送波の位相を制御する位相制御ループと、電力増幅回路から出力される送信出力信号の振幅を制御する振幅制御ループとを有する送信装置であって、前記振幅制御ループ上に設けられ該振幅制御ループの周波数帯域を制限するフィルタが、容量素子と抵抗素子を含む第1の受動フィルタと容量素子のみからなる第2の受動フィルタとで構成され、前記第1の受動フィルタと第2の受動フィルタの前段にはそれぞれ電流出力型の回路が設けられている送信装置。
- 搬送波を生成する送信用発振器と、生成された搬送波信号を増幅する電力増幅回路と、参照信号と帰還信号を比較して位相差に応じた信号を出力する位相検出回路を含み前記送信用発振器から出力される搬送波の位相を制御する位相制御ループと、参照信号と帰還信号を比較して振幅差に応じた信号を出力する振幅検出回路を含み前記電力増幅回路から出力される送信出力信号の振幅を制御する振幅制御ループとを有する送信装置であって、
前記振幅制御ループ上に設けられ該振幅制御ループの周波数帯域を制限するフィルタが、ラグリード特性を有する第1の受動フィルタと完全積分型の第2の受動フィルタとで構成され、前記第1の受動フィルタと第2の受動フィルタの前段にはそれぞれ電流出力型の回路が設けられている送信装置。 - 第1の動作モードでは前記位相制御ループおよび前記振幅制御ループによる位相振幅変調を行なって信号を送信し、第2の動作モードでは前記位相制御ループによる位相変調を行なって信号を送信し、前記第1の動作モードと第2の動作モードで前記位相制御ループを共通に使用して位相変調を行なう請求項1記載の送信装置。
- 前記第1の受動フィルタは前記第2の受動フィルタよりも前段に設けられている請求項3に記載の送信装置。
- 前記第2の受動フィルタの前段に設けられている前記電流出力型回路は、該電流出力型回路と前記第2の受動フィルタと前記第2の受動フィルタの後段に設けられている回路で完全積分回路を構成するように設計されている請求項4に記載の送信装置。
- 前記振幅制御ループの前記電力増幅回路から前記振幅検出回路までのフィードバックパス上に第1の可変利得増幅回路が設けられ、また前記振幅制御ループの前記振幅検出回路から前記電力増幅回路までのフォワードパス上に第2の可変利得増幅回路が設けられ、前記第1の可変利得増幅回路の利得と前記第2の可変利得増幅回路の利得の積がほぼ一定に維持されるように前記第1と第2の可変利得増幅回路の利得が制御される請求項1に記載の送信装置。
- 前記第1と第2の動作モードのいずれにおいても前記電力増幅回路は飽和領域で動作されるようにバイアスが与えられる請求項1に記載の送信装置。
- 前記電力増幅回路は電界効果トランジスタからなり、前記振幅制御ループで生成された電圧は前記電界効果トランジスタのドレインまたはソースに印加されて該トランジスタの利得を制御する請求項1に記載の送信装置。
- 請求項1に記載の送信装置と、送信データに基づいてベースバンド信号を生成するベースバンド回路と、該ベースバンド回路で生成されたベースバンド信号により位相変調および振幅変調を行なう変調回路とを備える無線通信機器。
- 前記第1の可変利得増幅回路の利得と前記第2の可変利得増幅回路の利得を制御する信号は前記ベースバンド回路で生成される請求項9に記載の無線通信機器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0212740.5A GB0212740D0 (en) | 2002-05-31 | 2002-05-31 | Transmitter and wireless communication apparatus using the transmitter |
PCT/GB2003/000778 WO2003103162A1 (en) | 2002-05-31 | 2003-02-18 | Transmitter and wireless communication apparatus using the transmitter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005528842A JP2005528842A (ja) | 2005-09-22 |
JP4118275B2 true JP4118275B2 (ja) | 2008-07-16 |
Family
ID=9937895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004510125A Expired - Fee Related JP4118275B2 (ja) | 2002-05-31 | 2003-02-18 | 送信装置および無線通信機器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7424276B2 (ja) |
JP (1) | JP4118275B2 (ja) |
CN (1) | CN1647396B (ja) |
AU (1) | AU2003207338A1 (ja) |
GB (1) | GB0212740D0 (ja) |
TW (1) | TWI300656B (ja) |
WO (1) | WO2003103162A1 (ja) |
Cited By (1)
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---|---|---|---|---|
JPH0739908U (ja) * | 1993-12-27 | 1995-07-18 | 藤▲よし▼工業株式会社 | 突出物のカバー体 |
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JP2005072031A (ja) * | 2003-08-22 | 2005-03-17 | Renesas Technology Corp | 高周波用半導体装置および通信用電子部品並びに無線通信システム |
US7149482B2 (en) * | 2003-09-16 | 2006-12-12 | Andrew Corporation | Compensation of filters in radio transmitters |
JP3841416B2 (ja) * | 2003-10-07 | 2006-11-01 | 松下電器産業株式会社 | 送信装置、送信出力制御方法、および無線通信装置 |
JP4246622B2 (ja) * | 2003-12-26 | 2009-04-02 | 古野電気株式会社 | マイクロ波周波数変換器 |
TWM263694U (en) * | 2004-05-11 | 2005-05-01 | Tecom Co Ltd | Time division multiple access over voice line TDOV |
EP1779625B1 (en) | 2004-07-30 | 2018-10-17 | CommScope Technologies LLC | A local network node |
EP3179775B1 (en) | 2004-07-30 | 2019-01-30 | Commscope Technologies LLC | Method and system of setting transmitter power levels |
EP1779543B1 (en) | 2004-07-30 | 2012-04-25 | Andrew Richardson | Signal transmission method from a local network node |
GB2417626B (en) * | 2004-08-26 | 2007-12-27 | Renesas Tech Corp | Transmitter and radio communication terminal using the same |
US7359680B2 (en) | 2004-09-14 | 2008-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Delay calibration in polar modulation transmitters |
US7983632B2 (en) * | 2004-09-24 | 2011-07-19 | Broadcom Corporation | Feedback control loop for amplitude modulation in a polar transmitter with a translational loop |
JP2006135422A (ja) * | 2004-11-02 | 2006-05-25 | Matsushita Electric Ind Co Ltd | 送信回路 |
JP4750463B2 (ja) * | 2005-05-11 | 2011-08-17 | ルネサスエレクトロニクス株式会社 | 高周波電力増幅器およびそれを用いた送信器および移動体通信端末 |
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US7483678B2 (en) * | 2005-09-27 | 2009-01-27 | Skyworks Solutions, Inc. | Single chip GSM/EDGE transceiver architecture with closed loop power control |
US7483680B2 (en) | 2005-12-20 | 2009-01-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for modulation path delay mismatch compensation in a polar modulation transmitter |
US7742543B2 (en) * | 2006-01-13 | 2010-06-22 | Panasonic Corporation | Transmission circuit by polar modulation system and communication apparatus using the same |
JP4676383B2 (ja) * | 2006-05-31 | 2011-04-27 | ルネサスエレクトロニクス株式会社 | 送信回路及びそれを用いた移動体通信用送信機 |
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-
2002
- 2002-05-31 GB GBGB0212740.5A patent/GB0212740D0/en not_active Ceased
-
2003
- 2003-02-17 TW TW092103222A patent/TWI300656B/zh not_active IP Right Cessation
- 2003-02-18 WO PCT/GB2003/000778 patent/WO2003103162A1/en active Application Filing
- 2003-02-18 AU AU2003207338A patent/AU2003207338A1/en not_active Abandoned
- 2003-02-18 US US10/509,753 patent/US7424276B2/en not_active Expired - Fee Related
- 2003-02-18 CN CN038075547A patent/CN1647396B/zh not_active Expired - Fee Related
- 2003-02-18 JP JP2004510125A patent/JP4118275B2/ja not_active Expired - Fee Related
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH0739908U (ja) * | 1993-12-27 | 1995-07-18 | 藤▲よし▼工業株式会社 | 突出物のカバー体 |
Also Published As
Publication number | Publication date |
---|---|
JP2005528842A (ja) | 2005-09-22 |
US7424276B2 (en) | 2008-09-09 |
GB0212740D0 (en) | 2002-07-10 |
AU2003207338A1 (en) | 2003-12-19 |
TWI300656B (en) | 2008-09-01 |
US20050176388A1 (en) | 2005-08-11 |
CN1647396B (zh) | 2010-05-05 |
TW200307400A (en) | 2003-12-01 |
WO2003103162A1 (en) | 2003-12-11 |
CN1647396A (zh) | 2005-07-27 |
AU2003207338A8 (en) | 2003-12-19 |
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