CN1175583C - 减小信号偏移电压的方法和电路配置 - Google Patents
减小信号偏移电压的方法和电路配置 Download PDFInfo
- Publication number
- CN1175583C CN1175583C CNB971936064A CN97193606A CN1175583C CN 1175583 C CN1175583 C CN 1175583C CN B971936064 A CNB971936064 A CN B971936064A CN 97193606 A CN97193606 A CN 97193606A CN 1175583 C CN1175583 C CN 1175583C
- Authority
- CN
- China
- Prior art keywords
- signal
- circuit arrangement
- offset voltage
- voltage
- output
- 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 - Lifetime
Links
Images
Classifications
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
-
- 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)
- Amplifiers (AREA)
- Circuits Of Receivers In General (AREA)
- Transceivers (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI960578 | 1996-02-08 | ||
FI960578A FI112131B (fi) | 1996-02-08 | 1996-02-08 | Menetelmä ja piirijärjestely signaalin erojännitteen pienentämiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1215511A CN1215511A (zh) | 1999-04-28 |
CN1175583C true CN1175583C (zh) | 2004-11-10 |
Family
ID=8545363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971936064A Expired - Lifetime CN1175583C (zh) | 1996-02-08 | 1997-02-06 | 减小信号偏移电压的方法和电路配置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6144243A (zh) |
EP (1) | EP0875096B1 (zh) |
JP (1) | JP3866290B2 (zh) |
CN (1) | CN1175583C (zh) |
AU (1) | AU1604797A (zh) |
DE (1) | DE69733000T2 (zh) |
FI (1) | FI112131B (zh) |
WO (1) | WO1997029551A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2366460A (en) * | 2000-08-24 | 2002-03-06 | Nokia Mobile Phones Ltd | DC compensation for a direct conversion radio receiver |
GB2371931B (en) * | 2001-02-06 | 2004-10-20 | Nokia Mobile Phones Ltd | Processing received signals |
DE10131676A1 (de) * | 2001-06-29 | 2003-01-16 | Infineon Technologies Ag | Empfängeranordnung mit Wechselstrom-Kopplung |
KR100403814B1 (ko) * | 2001-08-13 | 2003-10-30 | 삼성전자주식회사 | 멀티칩 모듈을 이용하여 디.씨 옵셋을 감소시킨 다이렉트컨버젼 수신기 |
US6784751B2 (en) | 2001-09-18 | 2004-08-31 | Nokia Corporation | Method and apparatus providing resampling function in a modulus prescaler of a frequency source |
EP1306978B1 (fr) * | 2001-10-26 | 2005-05-25 | STMicroelectronics N.V. | Récepteur à conversion directe pour un système de communication utilisant une modulation à enveloppe non constante |
GB0130849D0 (en) * | 2001-12-22 | 2002-02-06 | Weatherford Lamb | Bore liner |
JP3805258B2 (ja) | 2002-01-29 | 2006-08-02 | 松下電器産業株式会社 | ダイレクトコンバージョン受信機 |
US6759881B2 (en) * | 2002-03-22 | 2004-07-06 | Rambus Inc. | System with phase jumping locked loop circuit |
US6952123B2 (en) * | 2002-03-22 | 2005-10-04 | Rambus Inc. | System with dual rail regulated locked loop |
US7139542B2 (en) * | 2003-03-03 | 2006-11-21 | Nokia Corporation | Method and apparatus for compensating DC level in an adaptive radio receiver |
GB2402008B (en) * | 2003-04-30 | 2006-09-06 | Synad Technologies Ltd | Method and apparatus for DC offset control |
DE102004009038B4 (de) * | 2004-02-23 | 2005-12-29 | Zentrum Mikroelektronik Dresden Ag | Verfahren und Anordnung zur Reduktion eines dynamischen Offsets bei der Verarbeitung unsymmetrischer Signalfolgen |
EP1724937A1 (en) * | 2004-03-08 | 2006-11-22 | Matsushita Electric Industrial Co., Ltd. | Receiving circuit, and receiving apparatus and transmitting/receiving apparatus using the receiving circuit |
US8036622B2 (en) * | 2005-09-28 | 2011-10-11 | Qualcomm, Incorporated | DC offset cancellation circuit for a receiver |
GB0803710D0 (en) * | 2008-02-28 | 2008-04-09 | Nokia Corp | DC compensation |
CN105893992A (zh) * | 2016-05-31 | 2016-08-24 | 京东方科技集团股份有限公司 | 指纹识别结构和方法、显示装置 |
CN111970585B (zh) * | 2020-07-08 | 2022-07-15 | 武汉光迅科技股份有限公司 | 一种信号解调方法、装置、计算机存储介质及设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4514685A (en) * | 1981-07-27 | 1985-04-30 | Electric Power Research Institute, Inc. | Integrating circuit for use with Hall effect sensors having offset compensation means |
GB2175473A (en) * | 1985-05-17 | 1986-11-26 | Philips Electronic Associated | D.c. block capacitor circuit |
JPS62180603A (ja) * | 1986-02-03 | 1987-08-07 | Nec Corp | Scf用オフセツト補償回路 |
US4829594A (en) * | 1986-09-23 | 1989-05-09 | Motorola, Inc. | Adaptive correction of DC error transients |
GB2210744B (en) * | 1987-10-05 | 1992-01-29 | Marconi Instruments Ltd | Offset voltage nulling circuit |
US5212826A (en) * | 1990-12-20 | 1993-05-18 | Motorola, Inc. | Apparatus and method of dc offset correction for a receiver |
US5289059A (en) * | 1992-06-05 | 1994-02-22 | Nokia Mobile Phones, Ltd. | Switched capacitor decimator |
DE69228816T2 (de) * | 1992-10-28 | 1999-08-19 | Cit Alcatel | Offsetgleichspannungskorrektur für Direktmisch-TDMA-Empfänger |
US5748681A (en) * | 1995-10-27 | 1998-05-05 | Lucent Technologies Inc | Offset correction for a homodyne radio |
DE19628257C1 (de) * | 1996-07-12 | 1997-12-11 | Siemens Ag | Schaltungsanordnung zur Offset-Kompensation |
-
1996
- 1996-02-08 FI FI960578A patent/FI112131B/fi not_active IP Right Cessation
-
1997
- 1997-02-06 JP JP52819497A patent/JP3866290B2/ja not_active Expired - Fee Related
- 1997-02-06 DE DE69733000T patent/DE69733000T2/de not_active Expired - Lifetime
- 1997-02-06 US US09/117,751 patent/US6144243A/en not_active Expired - Lifetime
- 1997-02-06 CN CNB971936064A patent/CN1175583C/zh not_active Expired - Lifetime
- 1997-02-06 EP EP97902386A patent/EP0875096B1/en not_active Expired - Lifetime
- 1997-02-06 AU AU16047/97A patent/AU1604797A/en not_active Abandoned
- 1997-02-06 WO PCT/FI1997/000072 patent/WO1997029551A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0875096A1 (en) | 1998-11-04 |
AU1604797A (en) | 1997-08-28 |
JP2000504187A (ja) | 2000-04-04 |
WO1997029551A1 (en) | 1997-08-14 |
FI960578A (fi) | 1997-08-09 |
JP3866290B2 (ja) | 2007-01-10 |
FI112131B (fi) | 2003-10-31 |
FI960578A0 (fi) | 1996-02-08 |
CN1215511A (zh) | 1999-04-28 |
DE69733000T2 (de) | 2006-03-02 |
DE69733000D1 (de) | 2005-05-19 |
US6144243A (en) | 2000-11-07 |
EP0875096B1 (en) | 2005-04-13 |
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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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170105 Address after: Espoo, Finland Patentee after: Base Asia Technology Co.,Ltd. Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170105 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Finland Thessaloniki Patentee before: Nokia Mobile Phones Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170112 Address after: Espoo, Finland Patentee after: NOKIA TECHNOLOGIES OY Address before: Espoo, Finland Patentee before: Nokia Corp. Effective date of registration: 20170112 Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Finland Thessaloniki Patentee before: Nokia Mobile Phones Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20041110 |
|
CX01 | Expiry of patent term |