CN1146122C - 无线终端装置 - Google Patents
无线终端装置 Download PDFInfo
- Publication number
- CN1146122C CN1146122C CNB99807862XA CN99807862A CN1146122C CN 1146122 C CN1146122 C CN 1146122C CN B99807862X A CNB99807862X A CN B99807862XA CN 99807862 A CN99807862 A CN 99807862A CN 1146122 C CN1146122 C CN 1146122C
- Authority
- CN
- China
- Prior art keywords
- aforementioned
- pass filter
- low pass
- bbi
- frequency
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/14—Balanced arrangements
- H03D7/1408—Balanced arrangements with diodes
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPPCT/JP99/00830 | 1999-02-24 | ||
JP9900830 | 1999-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1307752A CN1307752A (zh) | 2001-08-08 |
CN1146122C true CN1146122C (zh) | 2004-04-14 |
Family
ID=14235004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB99807862XA Expired - Fee Related CN1146122C (zh) | 1999-02-24 | 1999-12-28 | 无线终端装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7054610B1 (zh) |
EP (1) | EP1081871A4 (zh) |
JP (1) | JP3893245B2 (zh) |
CN (1) | CN1146122C (zh) |
WO (1) | WO2000051251A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8880897B2 (en) | 2003-09-18 | 2014-11-04 | Apple Inc. | Method and apparatus for incremental code signing |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7050778B1 (en) * | 2000-09-18 | 2006-05-23 | Broadcom Corporation | Direct conversion turner |
US6839551B1 (en) * | 2001-05-21 | 2005-01-04 | National Semiconductor Corporation | Radio frequency mixer and method of operation |
JP4233451B2 (ja) * | 2001-11-01 | 2009-03-04 | シャープ株式会社 | フィルタ一体型偶高調波ミキサおよびそれを用いた高周波無線通信装置 |
DE60220102T2 (de) * | 2002-06-12 | 2008-01-10 | Nokia Corp. | Mobile elektronische einrichtung mit einem audioverbinder mit antennenfunktion |
US20060245518A1 (en) * | 2003-05-07 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Receiver front-end with low power consumption |
JP2005094502A (ja) * | 2003-09-18 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 受信回路 |
JP3686074B1 (ja) | 2004-02-23 | 2005-08-24 | シャープ株式会社 | 無線受信回路および無線携帯機器 |
KR100617139B1 (ko) * | 2004-12-07 | 2006-08-31 | 엘지전자 주식회사 | 이동통신 단말기의 주파수 직접변환 수신기 및 이를이용한 주파수 직접변환방법 |
JP2007107987A (ja) * | 2005-10-13 | 2007-04-26 | Pacific Ind Co Ltd | タイヤ状態監視装置 |
JP5242463B2 (ja) * | 2009-03-11 | 2013-07-24 | 株式会社京三製作所 | 雷サージ保護装置 |
US8891707B2 (en) * | 2009-09-21 | 2014-11-18 | Mediatek Inc. | Receiving device and method thereof |
US9287960B2 (en) * | 2009-12-21 | 2016-03-15 | Nec Corporation | Radio communication apparatus, transmitter, and radio communication method |
JP5699807B2 (ja) | 2011-05-27 | 2015-04-15 | 三菱電機株式会社 | 高周波スイッチ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61169030A (ja) * | 1985-01-22 | 1986-07-30 | Nec Corp | 受信回路 |
US5471665A (en) * | 1994-10-18 | 1995-11-28 | Motorola, Inc. | Differential DC offset compensation circuit |
JP3252639B2 (ja) | 1995-03-03 | 2002-02-04 | 三菱電機株式会社 | 検波器及び受信装置並びに送信装置 |
JPH09191264A (ja) * | 1996-01-08 | 1997-07-22 | Mitsubishi Electric Corp | 送受信装置、受信装置、通信システムおよび受信部評価装置 |
JPH1022860A (ja) | 1996-06-27 | 1998-01-23 | Matsushita Electric Ind Co Ltd | ダイレクトコンバージョン受信機 |
JP3605949B2 (ja) * | 1996-07-16 | 2004-12-22 | ソニー株式会社 | 受信機 |
JPH10224249A (ja) | 1997-02-06 | 1998-08-21 | Mitsubishi Electric Corp | 受信機 |
JP3948533B2 (ja) * | 1997-04-07 | 2007-07-25 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 多相フィルタからなる受信機及びフィルタ配置 |
US6016422A (en) * | 1997-10-31 | 2000-01-18 | Motorola, Inc. | Method of and apparatus for generating radio frequency quadrature LO signals for direct conversion transceivers |
US6118322A (en) * | 1998-11-03 | 2000-09-12 | Motorola, Inc. | Method and apparatus for reducing even order distortion in differential circuits |
-
1999
- 1999-12-28 JP JP2000601752A patent/JP3893245B2/ja not_active Expired - Fee Related
- 1999-12-28 EP EP99961470A patent/EP1081871A4/en not_active Withdrawn
- 1999-12-28 CN CNB99807862XA patent/CN1146122C/zh not_active Expired - Fee Related
- 1999-12-28 WO PCT/JP1999/007396 patent/WO2000051251A1/ja not_active Application Discontinuation
-
2000
- 2000-10-24 US US09/694,675 patent/US7054610B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8880897B2 (en) | 2003-09-18 | 2014-11-04 | Apple Inc. | Method and apparatus for incremental code signing |
Also Published As
Publication number | Publication date |
---|---|
EP1081871A1 (en) | 2001-03-07 |
JP3893245B2 (ja) | 2007-03-14 |
EP1081871A4 (en) | 2004-06-23 |
WO2000051251A1 (fr) | 2000-08-31 |
CN1307752A (zh) | 2001-08-08 |
US7054610B1 (en) | 2006-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CI01 | Publication of corrected invention patent application |
Correction item: Inventor Correct: Matsuba Yutetsu False: Pine wave field Philosophy Number: 15 Page: 446 Volume: 20 |
|
CI03 | Correction of invention patent |
Correction item: Inventor Correct: Matsuba Yutetsu False: Pine wave field Philosophy Number: 15 Page: The title page Volume: 20 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SONGBO TIANZHE TO: SONGBO CHOL |
|
ERR | Gazette correction |
Free format text: CORRECT: INVENTOR; FROM: SONGBO TIANZHE TO: SONGBO CHOL |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040414 Termination date: 20100128 |