JP4047274B2 - 電力調整型の送信機構造 - Google Patents
電力調整型の送信機構造 Download PDFInfo
- Publication number
- JP4047274B2 JP4047274B2 JP2003511418A JP2003511418A JP4047274B2 JP 4047274 B2 JP4047274 B2 JP 4047274B2 JP 2003511418 A JP2003511418 A JP 2003511418A JP 2003511418 A JP2003511418 A JP 2003511418A JP 4047274 B2 JP4047274 B2 JP 4047274B2
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- power
- digital
- mixer
- transmitter structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
- 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
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7203—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch in the bias circuit of the amplifier controlling a bias current in the amplifier
Description
2 変調器
3 DA変換器
4 ローパスフィルター
5 混合器
5’ 混合器
6 周波数分割器
7 VCO
8 加算ノード
9 バンドパスフィルター
10 増幅器
11 アンテナ
12 電力検出器
13 AD変換器
14 インターフェース回路
15 混合器
16 混合器
17 混合器
18 混合器
19 カレントミラー
20 トランジスタ
21 トランジスタ
22 電流源
23 供給電位端子
24 レジスタ
25 有効信号入力部
26 レジスタ
27 スイッチ
28 スイッチ
29 制御入力部
30 制御入力部
31 制御入力部
32 制御入力部
33 加算ノード
34 加算ノード
35 局所発振器入力部
36 局所発振器入力部
37 高周波数出力部
38 高周波数出力部
39 トランジスタ
40 トランジスタ
41 トランジスタ
42 トランジスタ
I 同相分枝部
Q 直角位相分枝部
Claims (7)
- 電力調整型の送信機構造であって、
送信経路(1〜3)と、
フィードバック経路(12、13)とを備えており、
上記送信経路(1〜3)は、
送信される有効信号のデジタル処理を行うブロック(1)と、このデジタル信号処理ブロック(1)の下流に接続されているデジタル/アナログ変換器(3)と、このデジタル/アナログ変換器(3)の出力部に接続されており、送信される有効信号を有する搬送信号を変調し、かつ、出力部に高周波数送信信号を供給する変調器(2)とを備えており、
上記フィードバック経路(12、13)は、電力検出器(12)を備えており、
上記電力検出器(12)は、上記変調器(2)の出力部に接続され、下流にアナログ/デジタル変換器(13)が接続されており、
上記アナログ/デジタル変換器(13)の出力部は、上記デジタル信号処理ブロック(1)に接続されており、
上記変調器(2)は、その利得を段階的に設定する制御入力部(29、30、31、32)を備えており、
上記変調器(2)の上記制御入力部(29、30、31、32)は、上記デジタル信号処理ブロック(1)に接続されており、
上記デジタル信号処理ブロック(1)は、上記電力検出器(12)により測定された電力に応じて、上記変調器(2)の利得を設定する手段を備え、上記電力検出器(12)で測定された電力に応じて、上記高周波数送信信号の振幅に影響を及ぼすことを特徴とする、送信機構造。 - 上記変調器(2)は、上記利得を設定する上記制御入力部(29、30、31、32)を有する混合器(5)を、少なくとも1つ備えることを特徴とする、請求項1に記載の送信機構造。
- 上記変調器(2)は、上記デジタル信号処理ブロック(1)に同相分枝部(I)を介して接続されている第1混合器(5)と、上記デジタル信号処理ブロック(1)に直角位相分枝部(Q)を介して接続されている第2混合器(5’)とを備え、複素数値の送信信号を処理するように設計されており、
上記変調器(2)には、加算部(8)が備えられており、
上記加算部(8)は、上記第1混合器(5)の出力部と上記第2混合器(5’)の出力部とを接続し、かつ、上記加算部(8)の出力部に、高周波数送信信号を供給することを特徴とする、請求項1または2に記載の送信機構造。 - 上記デジタル/アナログ変換器(3)と上記変調器(2)とを接続するために、ローパスフィルター(4)が備えられていることを特徴とする、請求項1から3までのいずれか1項に記載の送信機構造。
- 上記高周波数送信信号を増幅するために、電力増幅器(10)が上記変調器(2)の出力部に接続されていることを特徴とする、請求項1から4までのいずれか1項に記載の送信機構造。
- 上記電力増幅器(10)の利得を制御するために、一定の制御信号を制御入力部に供給できることを特徴とする、請求項5に記載の送信機構造。
- 上記変調器(2)は、上記制御入力部(29、30、31、32)に供給できる信号によって相互に独立して接続または切断できる、並列に接続された複数の混合器セル(15、16、17、18)を備えていることを特徴とする、請求項1から6までのいずれか1項に記載の送信機構造。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10132587A DE10132587A1 (de) | 2001-07-05 | 2001-07-05 | Sendeanordnung mit Leistungsregelung |
PCT/DE2002/002378 WO2003005575A2 (de) | 2001-07-05 | 2002-07-01 | Sendeanordnung mit leistungsregelung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004534472A JP2004534472A (ja) | 2004-11-11 |
JP4047274B2 true JP4047274B2 (ja) | 2008-02-13 |
Family
ID=7690701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003511418A Expired - Fee Related JP4047274B2 (ja) | 2001-07-05 | 2002-07-01 | 電力調整型の送信機構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7277689B2 (ja) |
EP (1) | EP1407543B1 (ja) |
JP (1) | JP4047274B2 (ja) |
DE (2) | DE10132587A1 (ja) |
WO (1) | WO2003005575A2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040213356A1 (en) * | 2003-04-24 | 2004-10-28 | Burke Joseph Patrick | Combined digital-to-analog converter and signal filter |
US8274961B2 (en) * | 2003-10-24 | 2012-09-25 | Sony Corporation | Apparatus and associated methodology of adjusting a RTS/CTS transmission protocol |
DE102004023441A1 (de) * | 2004-05-12 | 2005-12-08 | Infineon Technologies Ag | Leistungsregelung in Hochfrequenz-Sendern |
US7664520B2 (en) * | 2004-06-24 | 2010-02-16 | Nokia Corporation | Low current direct conversion transmitter architecture |
JP4752272B2 (ja) * | 2005-01-05 | 2011-08-17 | ソニー株式会社 | 通信装置 |
US7941115B2 (en) | 2007-09-14 | 2011-05-10 | Qualcomm Incorporated | Mixer with high output power accuracy and low local oscillator leakage |
US8929840B2 (en) | 2007-09-14 | 2015-01-06 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US8019310B2 (en) * | 2007-10-30 | 2011-09-13 | Qualcomm Incorporated | Local oscillator buffer and mixer having adjustable size |
US8599938B2 (en) * | 2007-09-14 | 2013-12-03 | Qualcomm Incorporated | Linear and polar dual mode transmitter circuit |
EP2188891B1 (en) * | 2007-09-14 | 2019-07-31 | QUALCOMM Incorporated | Local oscillator buffer and mixer having adjustable size |
US8639205B2 (en) * | 2008-03-20 | 2014-01-28 | Qualcomm Incorporated | Reduced power-consumption receivers |
US8111182B2 (en) * | 2009-10-13 | 2012-02-07 | Infineon Technologies Ag | Digital to analog converter comprising mixer |
JP5524913B2 (ja) * | 2011-07-21 | 2014-06-18 | 旭化成エレクトロニクス株式会社 | 送信器 |
JP5602791B2 (ja) * | 2012-06-07 | 2014-10-08 | 旭化成エレクトロニクス株式会社 | 送信器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2589202B2 (ja) | 1990-06-29 | 1997-03-12 | 三洋電機株式会社 | ラジオ用感度切換え回路 |
BR9106405A (pt) | 1990-12-20 | 1993-05-04 | Motorola Inc | Circuidade de controle de energia,telefone celular de acesso multiplo de divisao de tempo |
JPH0557917A (ja) | 1991-08-29 | 1993-03-09 | Seiko Epson Corp | インパクトヘツド駆動装置 |
JP2887987B2 (ja) * | 1991-10-23 | 1999-05-10 | 日本電気株式会社 | ディジタル変調回路 |
JPH05122087A (ja) | 1991-10-28 | 1993-05-18 | Toshiba Corp | 無線送信機 |
JP3036263B2 (ja) | 1992-11-09 | 2000-04-24 | 日本電気株式会社 | Agc回路 |
US5371481A (en) * | 1993-03-24 | 1994-12-06 | Nokia Mobile Phones Ltd. | Tuning techniques for I/Q channel signals in microwave digital transmission systems |
JPH06326520A (ja) | 1993-05-17 | 1994-11-25 | Matsushita Electric Ind Co Ltd | 周波数変換回路 |
JPH08213859A (ja) | 1995-01-31 | 1996-08-20 | Sony Corp | 周波数変換器 |
JPH08274559A (ja) | 1995-04-03 | 1996-10-18 | Oki Electric Ind Co Ltd | 出力電力制御装置 |
US5589791A (en) | 1995-06-09 | 1996-12-31 | Analog Devices, Inc. | Variable gain mixer having improved linearity and lower switching noise |
US5805988A (en) | 1995-12-22 | 1998-09-08 | Microtune, Inc. | System and method for switching an RF signal between mixers |
US6147543A (en) | 1996-01-19 | 2000-11-14 | Motorola, Inc. | Method and apparatus for selecting from multiple mixers |
JPH11330996A (ja) | 1998-05-12 | 1999-11-30 | Toshiba Corp | 無線通信装置 |
US6212369B1 (en) | 1998-06-05 | 2001-04-03 | Maxim Integrated Products, Inc. | Merged variable gain mixers |
US6052568A (en) * | 1998-08-24 | 2000-04-18 | Celeritek | Apparatus and method for efficiently implementing a satellite transceiver system |
JP4282802B2 (ja) | 1998-12-24 | 2009-06-24 | パナソニック株式会社 | 周波数変換回路 |
JP2001111369A (ja) | 1999-10-14 | 2001-04-20 | Hitachi Ltd | 利得制御増幅回路、ミクサ回路及びそれらを用いた受信機、送信機 |
KR100674586B1 (ko) * | 1999-12-30 | 2007-01-25 | 엘지전자 주식회사 | 전력증폭기의 전치왜곡 선형화기 |
-
2001
- 2001-07-05 DE DE10132587A patent/DE10132587A1/de not_active Ceased
-
2002
- 2002-07-01 US US10/482,506 patent/US7277689B2/en not_active Expired - Lifetime
- 2002-07-01 EP EP02752981A patent/EP1407543B1/de not_active Expired - Fee Related
- 2002-07-01 WO PCT/DE2002/002378 patent/WO2003005575A2/de active IP Right Grant
- 2002-07-01 DE DE50201636T patent/DE50201636D1/de not_active Expired - Lifetime
- 2002-07-01 JP JP2003511418A patent/JP4047274B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2004534472A (ja) | 2004-11-11 |
EP1407543A2 (de) | 2004-04-14 |
US20040253936A1 (en) | 2004-12-16 |
WO2003005575A2 (de) | 2003-01-16 |
DE50201636D1 (de) | 2004-12-30 |
DE10132587A1 (de) | 2002-11-14 |
EP1407543B1 (de) | 2004-11-24 |
WO2003005575A3 (de) | 2003-12-18 |
US7277689B2 (en) | 2007-10-02 |
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