EE03326B1 - Võimendi juhtimissüsteem - Google Patents

Võimendi juhtimissüsteem

Info

Publication number
EE03326B1
EE03326B1 EE9400445A EE9400445A EE03326B1 EE 03326 B1 EE03326 B1 EE 03326B1 EE 9400445 A EE9400445 A EE 9400445A EE 9400445 A EE9400445 A EE 9400445A EE 03326 B1 EE03326 B1 EE 03326B1
Authority
EE
Estonia
Prior art keywords
control system
radio frequency
frequency amplifier
amplifier control
bena2
Prior art date
Application number
EE9400445A
Other languages
English (en)
Estonian (et)
Inventor
Hulkko Jaakko
Matero Jorma
Vilmi Toivo
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd. filed Critical Nokia Mobile Phones Ltd.
Publication of EE03326B1 publication Critical patent/EE03326B1/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827Portable transceivers
    • H04B1/3877Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Radio Relay Systems (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Power Steering Mechanism (AREA)
EE9400445A 1992-09-23 1994-11-23 Võimendi juhtimissüsteem EE03326B1 (et)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI924265A FI93159C (fi) 1992-09-23 1992-09-23 Menetelmä radiopuhelimen radiotaajuusvahvistimen ohjaamiseksi ja menetelmän mukainen ohjausjärjestelmä

Publications (1)

Publication Number Publication Date
EE03326B1 true EE03326B1 (et) 2000-12-15

Family

ID=8535915

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9400445A EE03326B1 (et) 1992-09-23 1994-11-23 Võimendi juhtimissüsteem

Country Status (10)

Country Link
US (1) US5551067A (xx)
EP (1) EP0589574B1 (xx)
JP (1) JPH06197037A (xx)
AT (1) ATE186428T1 (xx)
AU (1) AU660844B2 (xx)
CA (1) CA2105027A1 (xx)
DE (1) DE69326931T2 (xx)
EE (1) EE03326B1 (xx)
ES (1) ES2141136T3 (xx)
FI (1) FI93159C (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488649A (en) * 1994-05-06 1996-01-30 Motorola, Inc. Method for validating a communication link
FI98970C (fi) * 1995-06-07 1997-09-10 Nokia Mobile Phones Ltd Käsipuhelimen lisävahvistinjärjestely
US5768695A (en) * 1995-08-25 1998-06-16 Advanced Micro Devices, Inc. Apparatus and method for providing a flexible ramp up and ramp down of the sections of a radio in a wireless local area network
SE511385C2 (sv) * 1996-03-04 1999-09-20 Allgon Ab Sätt och anordning för övervakning av en mobiltelefonrepeater
JP2956607B2 (ja) * 1996-09-17 1999-10-04 日本電気株式会社 携帯型無線機
US6230031B1 (en) * 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
US6038460A (en) * 1997-06-18 2000-03-14 Lucent Technologies Inc. Receiver for an RF signal booster in wireless communication system
US6459915B2 (en) * 1997-09-02 2002-10-01 Matsushita Electric Industrial Co. Ltd. External adapter for a portable cellular phone
JP3090112B2 (ja) * 1998-01-30 2000-09-18 日本電気株式会社 携帯電話用ブースタ
JP3889885B2 (ja) * 1998-02-27 2007-03-07 シャープ株式会社 ミリ波送信装置、ミリ波受信装置、ミリ波送受信システム及び電子機器
US6266545B1 (en) * 1998-10-21 2001-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Transferring data in a fixed-site radio transceiver station by modulating power supply current
TW512595B (en) * 1999-03-04 2002-12-01 Benq Corp Signal transmission circuit for wireless cellular phone
US6600929B1 (en) * 1999-04-02 2003-07-29 Qualcomm, Incorporated Power output control of a car kit by a coupled wireless device
US7027789B2 (en) * 2000-09-11 2006-04-11 Xytrans, Inc. Self-tuned millimeter wave RF transceiver module
US6677823B2 (en) 2001-02-28 2004-01-13 Andrew Corporation Gain compensation circuit using a variable offset voltage
US6983025B2 (en) * 2001-04-11 2006-01-03 Tropian, Inc. High quality power ramping in a communications transmitter
US6892080B2 (en) * 2001-11-27 2005-05-10 Arrista Technologies, Inc. Booster amplifier for cellular telephone cradles
US7010057B2 (en) * 2003-09-04 2006-03-07 Nokia Corporation Dual mode multi-slot EGPRS transmitter
TWM278180U (en) * 2004-09-14 2005-10-11 Inventec Appliances Corp Circuit structure of mobile phone capable of dynamically controlling power
US7693491B2 (en) * 2004-11-30 2010-04-06 Broadcom Corporation Method and system for transmitter output power compensation
JP4950223B2 (ja) * 2006-01-24 2012-06-13 ディー2オーディオ コーポレイション 入力音声信号に超音波信号を加えることによってデジタルアンプの性能を改善するためのシステム及び方法
WO2008134585A1 (en) * 2007-04-25 2008-11-06 Nextivity, Inc. Multi-hop booster

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01143529A (ja) * 1987-11-30 1989-06-06 Toshiba Corp 無線電話装置
US5033111A (en) * 1988-02-29 1991-07-16 Kabushiki Kaisha Toshiba Radio telecommunication apparatus
JP2583578B2 (ja) * 1988-07-01 1997-02-19 三菱電機株式会社 ポケット電話機
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
FI87028C (fi) * 1989-12-22 1992-11-10 Nokia Mobile Phones Ltd Metod foer att reglera effekt hos en spaenningsstyrd effektfoerstaerkare och koppling foer anvaendning i metoden
KR960000775B1 (ko) * 1990-10-19 1996-01-12 닛본덴기 가부시끼가이샤 고주파 전력 증폭기의 출력레벨 제어회로
US5107225A (en) * 1990-11-30 1992-04-21 Qualcomm Incorporated High dynamic range closed loop automatic gain control circuit
JPH06503449A (ja) * 1990-12-17 1994-04-14 モトローラ・インコーポレイテッド 動的にバイアスされた増幅器
US5128628A (en) * 1990-12-26 1992-07-07 Sgs-Thomson Microelectronics, Inc. Solid state high power amplifier module
US5128629A (en) * 1991-04-22 1992-07-07 Hughes Aircraft Company Method for controlling the output power of digital cellular telephones
US5150075A (en) * 1991-06-03 1992-09-22 Motorola, Inc. Power amplifier ramp up method and apparatus
JPH0548474A (ja) * 1991-08-07 1993-02-26 Matsushita Electric Ind Co Ltd 送信電力増幅装置
US5159283A (en) * 1991-08-26 1992-10-27 Motorola, Inc. Power amplifier

Also Published As

Publication number Publication date
FI924265A0 (fi) 1992-09-23
US5551067A (en) 1996-08-27
FI924265A (fi) 1994-03-24
DE69326931D1 (de) 1999-12-09
AU4623893A (en) 1994-03-31
FI93159C (fi) 1995-02-27
EP0589574A1 (en) 1994-03-30
ES2141136T3 (es) 2000-03-16
DE69326931T2 (de) 2000-05-04
JPH06197037A (ja) 1994-07-15
AU660844B2 (en) 1995-07-06
EP0589574B1 (en) 1999-11-03
FI93159B (fi) 1994-11-15
ATE186428T1 (de) 1999-11-15
CA2105027A1 (en) 1994-03-24

Similar Documents

Publication Publication Date Title
EE03326B1 (et) Võimendi juhtimissüsteem
ATE92702T1 (de) Fernsteuerbares programmierbares hoergeraetesystem.
DE59708300D1 (de) Fahrzeugkommunikationssystem
FR2716313B1 (fr) Dispositif de commande de la polarisation d'un amplificateur.
GB2273633A (en) Intelligent repeater for trunked communications
FR2826521B1 (fr) Dispositif de commande radiotelecommandee
DE69805759D1 (de) Eingangspufferschaltung
EP1253727A3 (en) Radio frequency circuit and communications system
CA2087845A1 (en) Apparatus and method for generating a transition between the on and off states of a radio frequency transmitter
DE69026049D1 (de) Mikrofonsteuerung mit einzigem Mehrfunktionenleiter
EP0514686A3 (en) Optical information transmission system with optical control of an optical amplifier or with wavelength conversion of the optical signal
ATE349857T1 (de) Headset und fernwartungs-und videokonferenzsystem
DK0555534T3 (da) Fremgangsmåde til modtagelse af kodede tidssignaler overført ved hjælp af radio
CA2022690A1 (en) Optical repeated transmission method and system
DE69324861D1 (de) Übermittlung von Steuerinformationen zwischen Geräten über einen seriellen Bus
EP1315304A3 (de) Empfangsschaltung zum Empfang von Nachrichtensignalen
FI911135A (fi) Foerfarande och anordning foer styrning av en radiosaendare.
JPS5723310A (en) Electric power amplifier circuit of pulse width modulation system
WO1996036106A3 (en) Feedback amplifier with improved speed and accuracy
JPS61107285U (xx)
JPS6464423A (en) System for transmitting optical signal
JPS62278823A (ja) 電力制御回路
WO1990013198A3 (de) Einrichtung zur informationsübermittlung
SE8102819L (sv) Indikeringsanordning for forinstellning pa t ex en radiomottagare
FR2704112B1 (fr) Dispositif d'amplification de signaux de télévision à classe de fonctionnement variable, prédéterminée pour l'élimination des erreurs de transmission.

Legal Events

Date Code Title Description
KB4A Valid patent at the end of a year

Effective date: 20021231

KB4A Valid patent at the end of a year

Effective date: 20031231

MM4A Lapsed by not paying the annual fees

Effective date: 20031123