ATE128289T1 - Vorrichtung zur änderung der betriebsklasse eines senders. - Google Patents

Vorrichtung zur änderung der betriebsklasse eines senders.

Info

Publication number
ATE128289T1
ATE128289T1 AT90302627T AT90302627T ATE128289T1 AT E128289 T1 ATE128289 T1 AT E128289T1 AT 90302627 T AT90302627 T AT 90302627T AT 90302627 T AT90302627 T AT 90302627T AT E128289 T1 ATE128289 T1 AT E128289T1
Authority
AT
Austria
Prior art keywords
class
changing
transmitter
operating class
radio telephone
Prior art date
Application number
AT90302627T
Other languages
English (en)
Inventor
Risto Vaisanen
Vesa Pekkarinen
Jukka Sarasmo
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
Application granted granted Critical
Publication of ATE128289T1 publication Critical patent/ATE128289T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Paper (AREA)
AT90302627T 1989-03-29 1990-03-13 Vorrichtung zur änderung der betriebsklasse eines senders. ATE128289T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI891514A FI86013C (fi) 1989-03-29 1989-03-29 Foerfarande foer omvandling av en operationsklass av en saendare.

Publications (1)

Publication Number Publication Date
ATE128289T1 true ATE128289T1 (de) 1995-10-15

Family

ID=8528140

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90302627T ATE128289T1 (de) 1989-03-29 1990-03-13 Vorrichtung zur änderung der betriebsklasse eines senders.

Country Status (4)

Country Link
EP (1) EP0390360B1 (de)
AT (1) ATE128289T1 (de)
DE (1) DE69022459T2 (de)
FI (1) FI86013C (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466826U (de) * 1990-10-16 1992-06-12
US5345192A (en) * 1993-01-29 1994-09-06 Sgs-Thomson Microelectronics, Inc. Voltage controlled integrated circuit for biasing an RF device
FR2704112B1 (fr) * 1993-04-13 1995-05-24 Thomson Lgt Dispositif d'amplification de signaux de télévision à classe de fonctionnement variable, prédéterminée pour l'élimination des erreurs de transmission.
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
US5530923A (en) * 1994-03-30 1996-06-25 Nokia Mobile Phones Ltd. Dual mode transmission system with switched linear amplifier
US5548616A (en) * 1994-09-09 1996-08-20 Nokia Mobile Phones Ltd. Spread spectrum radiotelephone having adaptive transmitter gain control
US5566201A (en) * 1994-09-27 1996-10-15 Nokia Mobile Phones Ltd. Digital AGC for a CDMA radiotelephone
US6418304B1 (en) * 1998-09-16 2002-07-09 Lucent Technologies Inc. Method and apparatus for improving efficiency of high-power linear amplifier
US6405057B1 (en) 1998-09-28 2002-06-11 Nokia Telecommunications, Oy Method and apparatus for base transceiver station cold starts
US7136667B2 (en) * 2003-10-28 2006-11-14 Nokia Corporation Method and radio terminal equipment arrangement for power control, radio terminal equipment and secondary terminal unit
DE102017210759B4 (de) * 2017-06-27 2019-04-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Adaptive Verstärkerschaltung zur Optimierung des Wirkungsgrades eines Kommunikations-Front-End

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422859B2 (de) * 1972-12-30 1979-08-09
US3984783A (en) * 1975-03-27 1976-10-05 Motorola, Inc. Amplifier
US4077013A (en) * 1976-06-04 1978-02-28 Norlin Music, Incorporated Audio power amplifier with automatic bias control
JP2665754B2 (ja) * 1987-12-21 1997-10-22 セイコー電子工業株式会社 増幅回路

Also Published As

Publication number Publication date
DE69022459T2 (de) 1996-04-18
DE69022459D1 (de) 1995-10-26
EP0390360A2 (de) 1990-10-03
EP0390360B1 (de) 1995-09-20
FI86013B (fi) 1992-03-13
EP0390360A3 (de) 1991-06-12
FI891514A0 (fi) 1989-03-29
FI86013C (fi) 1992-06-25
FI891514L (fi) 1990-09-30

Similar Documents

Publication Publication Date Title
DE69022459D1 (de) Vorrichtung zur Änderung der Betriebsklasse eines Senders.
ATE466413T1 (de) Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung
EP0645899A3 (de) Mobilkommunikationsgerät mit linearer Leistungssteuerung über breitem dynamischen Bereich
EP1191683A3 (de) Hochfrequenz-Leistungsverstärkerbaustein und drahtloses Kommunikationsgerät
ATE198913T1 (de) Zyklische dna sequenzierung
KR920009105A (ko) 전력증폭기 및 이동무선장치
DE60021548D1 (de) Methode zur erzeugung von kontrollsignalen basierend auf positionen von mobilfunkgeräten
KR950703234A (ko) 통신 시스템에서의 신호 처리 방법 및 장치(signal processing in communication systems)
DE69024995D1 (de) Schaltung zum Erhöhen des Regelungsbereiches der Leistung in einem Sender
EP1096669A4 (de) Halbleiterverstärkerschaltung und system
ATE532261T1 (de) Verfahren und systeme zur frequenzerzeugung in drahtlosen vorrichtungen
AU2001283976A1 (en) Amplitude limitation
DE60133399D1 (de) Verfahren und vorrichtung zur ansteuerung eines verstärkers
ATE227923T1 (de) Verfahren und vorrichtung zur datenübertagung über einen sprachkanal
ATE474381T1 (de) Verfahren und vorrichtung zur sendeleistungsregelung
DE69024688D1 (de) Analog-Impulsformer
DE60228025D1 (de) Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung
ATE258740T1 (de) Kommunikationsendgerätevorrichtung, basisstationsvorrichtung und funkkommunikationsverfahren
ATE361617T1 (de) Verfahren und vorrichtung zur durchführung einer adaptiven vorverzerrung
ATE232339T1 (de) Verfahren und system zur sendeleistungsregelung
DE69432099D1 (de) Verfahren zur sendeleistungsregelung und basisstation
EP1578012A3 (de) Verstärker und zugehörige Funkübertragungsvorrichtung
AU7879487A (en) Proteine protease inhibitors from streptomyces
FR2596746B1 (fr) Poudres pour ceramiques en nitrure de silicium par reduction carbothermique et leur procede de fabrication
DE59913770D1 (de) Sendeleistungsanpassung insbesondere bei der drahtlosen In-House-Kommunikation

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee