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SE9900689L - Variable radiofrekvensdämpare - Google Patents

Variable radiofrekvensdämpare

Info

Publication number
SE9900689L
SE9900689L SE9900689A SE9900689A SE9900689L SE 9900689 L SE9900689 L SE 9900689L SE 9900689 A SE9900689 A SE 9900689A SE 9900689 A SE9900689 A SE 9900689A SE 9900689 L SE9900689 L SE 9900689L
Authority
SE
Sweden
Prior art keywords
attenuator
radio frequency
transistor
frequency attenuator
variable radio
Prior art date
Application number
SE9900689A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE9900689D0 (sv
Inventor
Igor Souetinov Viatcheslav
Original Assignee
Mitel Semiconductor Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Publication of SE9900689D0 publication Critical patent/SE9900689D0/xx
Publication of SE9900689L publication Critical patent/SE9900689L/

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/24—Frequency-independent attenuators

Landscapes

  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Amplifiers (AREA)
SE9900689A 1998-02-26 1999-02-26 Variable radiofrekvensdämpare SE9900689L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9804165A GB2334838B (en) 1998-02-26 1998-02-26 Variable attenuator circuit

Publications (2)

Publication Number Publication Date
SE9900689D0 SE9900689D0 (sv) 1999-02-26
SE9900689L true SE9900689L (sv) 1999-08-27

Family

ID=10827684

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900689A SE9900689L (sv) 1998-02-26 1999-02-26 Variable radiofrekvensdämpare

Country Status (4)

Country Link
US (1) US6147568A (fr)
CA (1) CA2263225A1 (fr)
GB (1) GB2334838B (fr)
SE (1) SE9900689L (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3324522B2 (ja) * 1998-09-16 2002-09-17 日本電気株式会社 可変利得増幅回路及び利得制御方法
JP3438637B2 (ja) * 1999-03-09 2003-08-18 株式会社村田製作所 可変減衰器、複合可変減衰器及び移動体通信機器
SE0001866D0 (sv) * 2000-05-18 2000-05-18 Astrazeneca Ab A new process
GB2379567B (en) 2001-08-30 2003-09-10 Zarlink Semiconductor Ltd Controllable attenuator
KR20040069652A (ko) * 2003-01-30 2004-08-06 삼성전자주식회사 다중 섹터 인빌딩 중계 시스템
JP4050246B2 (ja) * 2003-07-01 2008-02-20 松下電器産業株式会社 減衰器およびそれを用いた携帯電話端末装置
US7355476B2 (en) * 2005-06-30 2008-04-08 Silicon Laboratories Inc. Input stage for an amplifier
US8346198B2 (en) * 2005-06-30 2013-01-01 Silicon Laboratories Inc. Low noise amplifier for a radio receiver
US20080291983A1 (en) * 2006-11-07 2008-11-27 Peregrine Electronics Group, Inc. Signal adjustment device
US7449976B1 (en) 2007-03-15 2008-11-11 Northrop Grumman Systems Corporation Power efficient PIN attenuator drive circuit
US20100125580A1 (en) * 2008-11-04 2010-05-20 Westen Peter T Automatic buddy management
US8390359B2 (en) 2009-12-28 2013-03-05 Maxim Integrated Products, Inc. Low distortion MOS attenuator
US8254862B2 (en) 2009-12-29 2012-08-28 Silicon Laboratories Inc. Configurable radio front end
US8463215B2 (en) 2009-12-29 2013-06-11 Silicon Laboratories Inc. Integrating components in a radio tuner integrated circuit (IC) for a tracking filter
US8818309B2 (en) 2011-03-28 2014-08-26 Silicon Laboratories Inc. Providing multiple inductors for a radio tuner
US9264080B2 (en) 2014-01-31 2016-02-16 Silicon Laboratories Inc. Reducing second order distortion in an amplifier
US9882549B2 (en) 2016-02-23 2018-01-30 Analog Devices Global Apparatus and methods for high linearity voltage variable attenuators
US9590591B1 (en) 2016-03-17 2017-03-07 Analog Devices Global High frequency signal attenuators
US10103712B2 (en) 2016-12-15 2018-10-16 Analog Devices Global Voltage variable attenuator, an integrated circuit and a method of attenuation
CN115173881B (zh) * 2022-07-05 2023-05-23 北京巨束科技有限公司 用于射频收发装置的衰减器和射频收发装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572209B2 (fr) * 1973-06-21 1982-01-14
US4055818A (en) * 1976-04-09 1977-10-25 Motorola, Inc. Tone control circuit
FR2538655B1 (fr) * 1982-12-22 1985-06-07 Radiotechnique Procede et dispositif pour aligner le niveau de noir d'un signal videofrequence

Also Published As

Publication number Publication date
GB2334838A (en) 1999-09-01
GB2334838B (en) 2002-11-27
CA2263225A1 (fr) 1999-08-26
GB9804165D0 (en) 1998-04-22
US6147568A (en) 2000-11-14
SE9900689D0 (sv) 1999-02-26

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