SE9700669L - Anordning och förfarande vid telekommunikation - Google Patents

Anordning och förfarande vid telekommunikation

Info

Publication number
SE9700669L
SE9700669L SE9700669A SE9700669A SE9700669L SE 9700669 L SE9700669 L SE 9700669L SE 9700669 A SE9700669 A SE 9700669A SE 9700669 A SE9700669 A SE 9700669A SE 9700669 L SE9700669 L SE 9700669L
Authority
SE
Sweden
Prior art keywords
basic frequency
frequency band
filter
harmonics
power amplifier
Prior art date
Application number
SE9700669A
Other languages
English (en)
Other versions
SE9700669D0 (sv
SE508506C2 (sv
Inventor
Thomal Bolin
Per-Olof Brandt
Ulrik Imberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9700669A priority Critical patent/SE508506C2/sv
Publication of SE9700669D0 publication Critical patent/SE9700669D0/sv
Priority to MYPI98000585A priority patent/MY128729A/en
Priority to US09/023,162 priority patent/US6023611A/en
Priority to BR9807747-3A priority patent/BR9807747A/pt
Priority to EEP199900365A priority patent/EE03499B1/xx
Priority to KR10-1999-7007257A priority patent/KR100463924B1/ko
Priority to PCT/SE1998/000305 priority patent/WO1998037626A1/en
Priority to AU66412/98A priority patent/AU737208B2/en
Priority to JP53656298A priority patent/JP4073964B2/ja
Priority to CNB98802814XA priority patent/CN1135688C/zh
Priority to EP98908366A priority patent/EP0963624A1/en
Publication of SE9700669L publication Critical patent/SE9700669L/sv
Publication of SE508506C2 publication Critical patent/SE508506C2/sv
Priority to HK00106174A priority patent/HK1027225A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • H03F3/1935—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices with junction-FET devices
    • 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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0123—Frequency selective two-port networks comprising distributed impedance elements together with lumped impedance elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791—Combined LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
SE9700669A 1997-02-25 1997-02-25 Anordning och förfarande vid telekommunikation SE508506C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9700669A SE508506C2 (sv) 1997-02-25 1997-02-25 Anordning och förfarande vid telekommunikation
MYPI98000585A MY128729A (en) 1997-02-25 1998-02-12 Device and process for telecommunication
US09/023,162 US6023611A (en) 1997-02-25 1998-02-13 Filter device for suppressing harmonics in radio frequency signals when dual frequencies exist
EP98908366A EP0963624A1 (en) 1997-02-25 1998-02-20 Device and process for telecommunication
PCT/SE1998/000305 WO1998037626A1 (en) 1997-02-25 1998-02-20 Device and process for telecommunication
EEP199900365A EE03499B1 (et) 1997-02-25 1998-02-20 Elektersides kasutatav seade ja meetod
KR10-1999-7007257A KR100463924B1 (ko) 1997-02-25 1998-02-20 무선 통신 장치 및 방법
BR9807747-3A BR9807747A (pt) 1997-02-25 1998-02-20 Dispositivos de filtro e amplificador de energia, processo para a supressão das harmÈnicas em um sinal de frequência de rádio, e, estação móvel.
AU66412/98A AU737208B2 (en) 1997-02-25 1998-02-20 Device and process for telecommunication
JP53656298A JP4073964B2 (ja) 1997-02-25 1998-02-20 通信のためのデバイスおよび方法
CNB98802814XA CN1135688C (zh) 1997-02-25 1998-02-20 用于远程通信的设备和方法
HK00106174A HK1027225A1 (en) 1997-02-25 2000-09-28 Device and process for telecommunication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9700669A SE508506C2 (sv) 1997-02-25 1997-02-25 Anordning och förfarande vid telekommunikation
US09/023,162 US6023611A (en) 1997-02-25 1998-02-13 Filter device for suppressing harmonics in radio frequency signals when dual frequencies exist

Publications (3)

Publication Number Publication Date
SE9700669D0 SE9700669D0 (sv) 1997-02-25
SE9700669L true SE9700669L (sv) 1998-08-26
SE508506C2 SE508506C2 (sv) 1998-10-12

Family

ID=26662910

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700669A SE508506C2 (sv) 1997-02-25 1997-02-25 Anordning och förfarande vid telekommunikation

Country Status (6)

Country Link
US (1) US6023611A (sv)
EP (1) EP0963624A1 (sv)
CN (1) CN1135688C (sv)
BR (1) BR9807747A (sv)
SE (1) SE508506C2 (sv)
WO (1) WO1998037626A1 (sv)

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US6304748B1 (en) * 1998-09-23 2001-10-16 Conexant Systems, Inc. Transmitter circuitry for a cellular phone
JP2000349579A (ja) * 1999-06-08 2000-12-15 Zanden Audio Syst:Kk デジタルオーディオ用帯域制限アナログフィルタ及びこれを用いた音声信号増幅装置
DE19928942C2 (de) * 1999-06-24 2001-10-18 Siemens Ag Schaltungsanordnung zur Anpassung eines Verstärkers an eine Hochfrequenzleitung und Verwendung dieser Schaltungsanordnung
FI19992729A (sv) * 1999-12-20 2001-06-21 Nokia Networks Oy Byte av frekvensområde i ett telekommunikationssystem
GB0004885D0 (en) 2000-03-01 2000-04-19 Alstom Improvements in and relating to filers and filter components
DE10015315B4 (de) * 2000-03-28 2015-02-05 Robert Bosch Gmbh Antennenverstärker und regelbares Stellglied
KR100342715B1 (ko) * 2000-05-22 2002-07-02 서평원 통신기기의 고조파 제거장치
US6389269B1 (en) * 2000-06-15 2002-05-14 Motorola, Inc. Method and apparatus for multiple band transmission
US6950410B1 (en) * 2000-07-14 2005-09-27 Telefonaktiebolaget Lm Ericsson (Publ) Frequency multiplexer
FI20002881A (sv) * 2000-12-29 2002-06-30 Nokia Corp Arrangemang och förfarande för att minska förluster i en radiosändare
EP1248362B1 (en) * 2001-04-06 2009-03-04 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for increasing the efficiency of a transmitter
WO2002082637A1 (en) * 2001-04-06 2002-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for increasing the efficiency of a transmitter
US7062237B2 (en) * 2001-06-05 2006-06-13 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier (PA) with improved power regulation
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US6680652B2 (en) 2001-08-06 2004-01-20 Rf Micro Devices, Inc. Load switching for transmissions with different peak-to-average power ratios
US7071792B2 (en) * 2001-08-29 2006-07-04 Tropian, Inc. Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance
GB0121390D0 (en) * 2001-09-05 2001-10-24 Koninkl Philips Electronics Nv Power amplifier
DE10233775B4 (de) * 2002-07-25 2009-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Verfahren zum Dimensionieren eines Anpassglieds im Sendezweig eines Mobilfunkgeräts
FR2869743A1 (fr) * 2004-04-29 2005-11-04 Thomson Licensing Sa Terminal utilisateur bi-directionnel de large diffusion a frequences d'emission configurables
US7215221B1 (en) * 2004-08-30 2007-05-08 Hrl Laboratories, Llc Harmonic termination circuit for medium bandwidth microwave power amplifiers
US7176769B1 (en) * 2004-11-29 2007-02-13 Hrl Laboratories, Llc Harmonic termination circuit for medium bandwidth microwave power amplifiers
US7274270B2 (en) * 2005-04-13 2007-09-25 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Resonator matching network
CN101128986B (zh) * 2005-04-28 2012-06-27 株式会社村田制作所 高频开关模块及用于高频电路的频率特性调整方法
EP1780888A1 (en) * 2005-10-12 2007-05-02 STMicroelectronics S.r.l. Notch filter and apparatus for receiving and transmitting radio-frequency signals which comprises said filter
EP2060007A2 (en) * 2006-08-14 2009-05-20 Nxp B.V. Equalizer
JP4927162B2 (ja) * 2007-03-29 2012-05-09 京セラ株式会社 携帯無線機
JP5079387B2 (ja) * 2007-05-10 2012-11-21 株式会社エヌ・ティ・ティ・ドコモ 整合回路
US20090131001A1 (en) * 2007-11-16 2009-05-21 James Breslin Switch architecture
CN102385500A (zh) * 2010-09-06 2012-03-21 奇景光电股份有限公司 信号传输系统与显示系统以及电子装置
WO2012040879A1 (en) * 2010-09-30 2012-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Multi-band switched-mode power amplifier
US8803615B2 (en) * 2012-01-23 2014-08-12 Qualcomm Incorporated Impedance matching circuit with tunable notch filters for power amplifier
TWI568203B (zh) * 2012-08-31 2017-01-21 Yong-Sheng Huang Harmonic Suppression Method of Radio Frequency Circuits
US9035703B2 (en) 2012-12-17 2015-05-19 Qualcomm Incorporated Tunable wide band driver amplifier
JP6406362B2 (ja) 2015-02-02 2018-10-17 株式会社村田製作所 可変フィルタ回路、高周波モジュール回路、および、通信装置
US11211954B2 (en) * 2015-03-10 2021-12-28 Blackberry Limited Supporting multiple frequency bands
WO2018061950A1 (ja) 2016-09-29 2018-04-05 株式会社村田製作所 弾性波フィルタ装置、マルチプレクサ、高周波フロントエンド回路及び通信装置
WO2018061949A1 (ja) 2016-09-29 2018-04-05 株式会社村田製作所 弾性波フィルタ装置、マルチプレクサ、高周波フロントエンド回路及び通信装置
WO2018135538A1 (ja) 2017-01-19 2018-07-26 株式会社村田製作所 高周波フィルタ、高周波フロントエンド回路、および通信装置
TWI654830B (zh) * 2018-05-18 2019-03-21 立積電子股份有限公司 功率放大裝置
CN108964615A (zh) * 2018-08-22 2018-12-07 广东工业大学 一种功率放大器及通信系统
US10971789B2 (en) * 2018-08-30 2021-04-06 Qualcomm Incorporated Transmission-line filtering with enhanced frequency response
TWI704767B (zh) * 2019-09-02 2020-09-11 立積電子股份有限公司 放大裝置
CN111884614A (zh) * 2020-08-24 2020-11-03 武汉博畅通信设备有限责任公司 一种108-270MHz跳频滤波器
CN113411062B (zh) 2021-08-19 2022-03-29 深圳飞骧科技股份有限公司 匹配电路、射频前端功率放大电路及移动通信设备

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Also Published As

Publication number Publication date
US6023611A (en) 2000-02-08
SE9700669D0 (sv) 1997-02-25
BR9807747A (pt) 2000-02-22
CN1135688C (zh) 2004-01-21
SE508506C2 (sv) 1998-10-12
EP0963624A1 (en) 1999-12-15
CN1249079A (zh) 2000-03-29
WO1998037626A1 (en) 1998-08-27

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