CN1123114C - 具有用于通信的多个便携装置的无线通信系统 - Google Patents
具有用于通信的多个便携装置的无线通信系统 Download PDFInfo
- Publication number
- CN1123114C CN1123114C CN98802864A CN98802864A CN1123114C CN 1123114 C CN1123114 C CN 1123114C CN 98802864 A CN98802864 A CN 98802864A CN 98802864 A CN98802864 A CN 98802864A CN 1123114 C CN1123114 C CN 1123114C
- Authority
- CN
- China
- Prior art keywords
- circuit
- analog signal
- wireless communication
- communication system
- power level
- 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
- H03F1/301—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in MOSFET 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0244—Stepped control
-
- 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
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/806,919 | 1997-02-26 | ||
US08/806,919 US6072995A (en) | 1997-02-26 | 1997-02-26 | Flexible current control in power amplifiers |
US08/806919 | 1997-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1249078A CN1249078A (zh) | 2000-03-29 |
CN1123114C true CN1123114C (zh) | 2003-10-01 |
Family
ID=25195142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98802864A Expired - Lifetime CN1123114C (zh) | 1997-02-26 | 1998-02-24 | 具有用于通信的多个便携装置的无线通信系统 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6072995A (zh) |
EP (1) | EP0965166B1 (zh) |
KR (1) | KR100526075B1 (zh) |
CN (1) | CN1123114C (zh) |
AU (1) | AU743738B2 (zh) |
BR (1) | BR9807758A (zh) |
DE (1) | DE69814054D1 (zh) |
MY (1) | MY120225A (zh) |
WO (1) | WO1998038733A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11274948A (ja) * | 1998-03-20 | 1999-10-08 | Toshiba Corp | 送信電力制御装置およびこの送信電力制御装置に用いられる送信電力制御ユニット |
US6377666B1 (en) * | 1998-10-29 | 2002-04-23 | Legerity | Apparatus and method for a PHY transmitter with programmable power mode control in CMOS |
US6785830B1 (en) * | 2000-07-21 | 2004-08-31 | Sierra Wireless, Inc. | PC radio card capable of operating at a nonstandard power output level by limiting the current being drawn from a power amplifier |
US6873044B2 (en) | 2000-09-11 | 2005-03-29 | Xytrans, Inc. | Microwave monolithic integrated circuit package |
US7027789B2 (en) * | 2000-09-11 | 2006-04-11 | Xytrans, Inc. | Self-tuned millimeter wave RF transceiver module |
US6747510B2 (en) * | 2001-06-08 | 2004-06-08 | Broadcom Corporation | Apparatus, system, and method for amplifying a signal, and applications thereof |
FI20075343A0 (fi) * | 2007-05-11 | 2007-05-11 | Nokia Corp | Lähettimen häiriönpäästön ohjaus |
US7768353B2 (en) * | 2008-06-13 | 2010-08-03 | Samsung Electro-Mechanics Company, Ltd. | Systems and methods for switching mode power amplifier control |
US9960740B2 (en) * | 2015-06-18 | 2018-05-01 | Raytheon Company | Bias circuitry for depletion mode amplifiers |
US10666200B2 (en) * | 2017-04-04 | 2020-05-26 | Skyworks Solutions, Inc. | Apparatus and methods for bias switching of power amplifiers |
US20230208364A1 (en) * | 2021-12-28 | 2023-06-29 | Raytheon Company | Amplifier bias circuit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3684940A (en) * | 1970-04-09 | 1972-08-15 | Warner Swasey Co | Power amplifier having source of different power capabilities for energizing a servo motor |
US4045746A (en) * | 1976-05-21 | 1977-08-30 | Rca Corporation | Adjustable gain current amplifiers |
US4939786A (en) * | 1987-03-09 | 1990-07-03 | Motorola, Inc. | Adaptive thermal protection for a power amplifier by remote sense |
FI80815C (fi) * | 1988-09-13 | 1990-07-10 | Nokia Mobira Oy | Linearisation av en foerstaerkning i en rf-foerstaerkare. |
US4924191A (en) * | 1989-04-18 | 1990-05-08 | Erbtec Engineering, Inc. | Amplifier having digital bias control apparatus |
US5287555A (en) * | 1991-07-22 | 1994-02-15 | Motorola, Inc. | Power control circuitry for a TDMA radio frequency transmitter |
JP3365428B2 (ja) * | 1992-12-09 | 2003-01-14 | ソニー株式会社 | 高周波パワーアンプのバイアス制御回路 |
US5423078A (en) * | 1993-03-18 | 1995-06-06 | Ericsson Ge Mobile Communications Inc. | Dual mode power amplifier for analog and digital cellular telephones |
US5432473A (en) * | 1993-07-14 | 1995-07-11 | Nokia Mobile Phones, Limited | Dual mode amplifier with bias control |
JP3103712B2 (ja) * | 1994-03-14 | 2000-10-30 | 松下電子工業株式会社 | 電力増幅器及び増幅方法 |
-
1997
- 1997-02-26 US US08/806,919 patent/US6072995A/en not_active Expired - Lifetime
-
1998
- 1998-02-10 MY MYPI98000533A patent/MY120225A/en unknown
- 1998-02-24 KR KR10-1999-7007711A patent/KR100526075B1/ko not_active IP Right Cessation
- 1998-02-24 DE DE69814054T patent/DE69814054D1/de not_active Expired - Lifetime
- 1998-02-24 CN CN98802864A patent/CN1123114C/zh not_active Expired - Lifetime
- 1998-02-24 BR BR9807758-9A patent/BR9807758A/pt not_active Application Discontinuation
- 1998-02-24 AU AU61844/98A patent/AU743738B2/en not_active Expired
- 1998-02-24 WO PCT/US1998/003589 patent/WO1998038733A1/en active IP Right Grant
- 1998-02-24 EP EP98906682A patent/EP0965166B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0965166B1 (en) | 2003-05-02 |
KR20000075646A (ko) | 2000-12-26 |
AU6184498A (en) | 1998-09-18 |
MY120225A (en) | 2005-09-30 |
DE69814054D1 (de) | 2003-06-05 |
KR100526075B1 (ko) | 2005-11-03 |
CN1249078A (zh) | 2000-03-29 |
EP0965166A1 (en) | 1999-12-22 |
US6072995A (en) | 2000-06-06 |
AU743738B2 (en) | 2002-02-07 |
WO1998038733A1 (en) | 1998-09-03 |
BR9807758A (pt) | 2000-02-22 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON CO. Effective date: 20150417 Owner name: OPTIS WIRELESS TECHNOLOGY LLC Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20150417 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150417 Address after: Texas, USA Patentee after: Telefonaktiebolaget LM Ericsson (publ) Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20150417 Address after: Delaware Patentee after: Clastres LLC Address before: North Carolina Patentee before: ERICSSON Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20031001 |