FR2798235B1 - Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire - Google Patents

Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire

Info

Publication number
FR2798235B1
FR2798235B1 FR9911088A FR9911088A FR2798235B1 FR 2798235 B1 FR2798235 B1 FR 2798235B1 FR 9911088 A FR9911088 A FR 9911088A FR 9911088 A FR9911088 A FR 9911088A FR 2798235 B1 FR2798235 B1 FR 2798235B1
Authority
FR
France
Prior art keywords
radio frequency
power amplifier
cellular mobile
amplifier device
mobile telephony
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 - Fee Related
Application number
FR9911088A
Other languages
English (en)
Other versions
FR2798235A1 (fr
Inventor
Jean Charles Grasset
Christophe Pinatel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR9911088A priority Critical patent/FR2798235B1/fr
Priority to US09/650,003 priority patent/US6594474B1/en
Publication of FR2798235A1 publication Critical patent/FR2798235A1/fr
Application granted granted Critical
Publication of FR2798235B1 publication Critical patent/FR2798235B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
FR9911088A 1999-09-03 1999-09-03 Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire Expired - Fee Related FR2798235B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9911088A FR2798235B1 (fr) 1999-09-03 1999-09-03 Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire
US09/650,003 US6594474B1 (en) 1999-09-03 2000-08-28 Controlled-gain power amplifier device, in particular for radio-frequency circuits applied to cellular mobile telephony

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9911088A FR2798235B1 (fr) 1999-09-03 1999-09-03 Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire

Publications (2)

Publication Number Publication Date
FR2798235A1 FR2798235A1 (fr) 2001-03-09
FR2798235B1 true FR2798235B1 (fr) 2002-05-17

Family

ID=9549546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9911088A Expired - Fee Related FR2798235B1 (fr) 1999-09-03 1999-09-03 Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire

Country Status (2)

Country Link
US (1) US6594474B1 (fr)
FR (1) FR2798235B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7768353B2 (en) 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
DE102009001955A1 (de) * 2009-03-27 2010-10-07 Beckhoff Automation Gmbh Verfahren und Verstärker zum Betreiben eines Synchronmotors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146844A (en) * 1977-10-31 1979-03-27 Tektronix, Inc. Feed-forward amplifier
JPS5829208A (ja) * 1981-08-14 1983-02-21 Nippon Gakki Seizo Kk 利得制御増幅器
US4523155A (en) * 1983-05-04 1985-06-11 Motorola, Inc. Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range
US4885547A (en) * 1988-07-07 1989-12-05 Tektronix, Inc. Gain cell with digital control
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
JP3158423B2 (ja) * 1990-10-15 2001-04-23 ソニー株式会社 広帯域増幅回路
US5337020A (en) * 1993-03-12 1994-08-09 Matsushita Communication Industrial Corporation Of America Differential radio frequency detector/comparator for power level control
JP2638494B2 (ja) * 1994-08-12 1997-08-06 日本電気株式会社 電圧／電流変換回路
WO1997008825A1 (fr) * 1995-08-30 1997-03-06 Matsushita Communication Industrial Corporation Of America Unite de commande automatique et d'une grande sensibilite de puissance de sortie faisant appel a un amplificateur differentiel
US5587689A (en) * 1995-09-28 1996-12-24 Analog Devices, Inc. Voltage controlled amplifier with a negative resistance circuit for reducing non-linearity distortion

Also Published As

Publication number Publication date
FR2798235A1 (fr) 2001-03-09
US6594474B1 (en) 2003-07-15

Similar Documents

Publication Publication Date Title
MXPA02012437A (es) Telefono celular con comunicacion simultanea de radio y celular.
AU4071700A (en) Miniature piezo-ceramic vibrators for wireless communication devices and cellular telephones
CA2225082A1 (fr) Antenne en forme de e inverse
EP1259052A3 (fr) Fonctionnement mains-libres d'un terminal mobile avec une liaison de communication sans fil
GB2373938B (en) Envelope-tracking amplifier having improved gain,terminal device for mobile communication using the same,and method for improving gain relating thereto
NO992711D0 (no) TobÕnds antennekopler for bµrbar radiotelefon, sµrlig mobiltelefon
GB2335081B (en) Antenna for mobile telephones
AU6786500A (en) Network based muting of a cellular telephone
IS5325A (is) Tvívirk fjölthríhyrnd loftnet fyrir GSM og DCS farsíma
GB2354384B (en) Mobile radio communication apparatus
AU2003280531A1 (en) Method of positioning the agps handset in mobile communication networks
AU7139300A (en) Mounting plate for mobile communication devices
SE9902896D0 (sv) Communications device
AU8173294A (en) Wireless banking terminal using cellular telephone communication
AU2001296060A1 (en) Apparatus and method for selectively connecting to an incoming voice call received during wireless data communication
AU3988400A (en) Mobile telephone with wireless earphone/microphone
AU8924798A (en) Power saving protocol for tdma multi-line wireless telephone handsets
AU7533900A (en) Mobile radio communications
FR2798235B1 (fr) Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire
GB2365692B (en) Wireless speaker for radio communication device
AU5073000A (en) Multiconnector for mobile telephones
WO2001082551A3 (fr) Procede et passerelle permettant d'assurer le transfert des appels de communication sans fil
FR2823031B1 (fr) Dispositif amplificateur a commutation de gain, en particulier pour un telephone mobile cellulaire
DE60005224D1 (de) Kombinierte drahtlose zellular-/satelliten-kommunikationsgeräte
IL149466A0 (en) Antenna for mobile communication terminal

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080531