DK0631381T3 - Transmissionskæde til digital radiotelefon - Google Patents

Transmissionskæde til digital radiotelefon

Info

Publication number
DK0631381T3
DK0631381T3 DK94401388T DK94401388T DK0631381T3 DK 0631381 T3 DK0631381 T3 DK 0631381T3 DK 94401388 T DK94401388 T DK 94401388T DK 94401388 T DK94401388 T DK 94401388T DK 0631381 T3 DK0631381 T3 DK 0631381T3
Authority
DK
Denmark
Prior art keywords
transmission chain
radio telephone
digital radio
telephone transmission
preamplifier
Prior art date
Application number
DK94401388T
Other languages
English (en)
Inventor
Eric Bothorel
Original Assignee
Alsthom Cge Alcatel
Cit Alcatel
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 Alsthom Cge Alcatel, Cit Alcatel filed Critical Alsthom Cge Alcatel
Application granted granted Critical
Publication of DK0631381T3 publication Critical patent/DK0631381T3/da

Links

Classifications

    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transceivers (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Alarm Systems (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
DK94401388T 1993-06-22 1994-06-21 Transmissionskæde til digital radiotelefon DK0631381T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9307541A FR2707061B1 (da) 1993-06-22 1993-06-22

Publications (1)

Publication Number Publication Date
DK0631381T3 true DK0631381T3 (da) 1999-06-21

Family

ID=9448404

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94401388T DK0631381T3 (da) 1993-06-22 1994-06-21 Transmissionskæde til digital radiotelefon

Country Status (8)

Country Link
US (1) US5640692A (da)
EP (1) EP0631381B1 (da)
AT (1) ATE171826T1 (da)
AU (1) AU681393B2 (da)
DE (1) DE69413605T2 (da)
DK (1) DK0631381T3 (da)
ES (1) ES2124858T3 (da)
FR (1) FR2707061B1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6320914B1 (en) * 1996-12-18 2001-11-20 Ericsson Inc. Spectrally efficient modulation using overlapped GMSK
US6351632B1 (en) 1998-10-13 2002-02-26 Institute Of Microelectronics Mixer with high order intermodulation suppression and robust conversion gain
US6681101B1 (en) * 2000-01-11 2004-01-20 Skyworks Solutions, Inc. RF transmitter with extended efficient power control range
US7201831B2 (en) 2002-02-22 2007-04-10 Water Security And Technology, Inc. Impurity detection device
US20040142668A1 (en) * 2003-01-10 2004-07-22 David Ge Systems and methods for transmitting a radio signal
US7696826B2 (en) * 2006-12-04 2010-04-13 Skyworks Solutions, Inc. Temperature compensation of collector-voltage control RF amplifiers
DE102015110269A1 (de) * 2015-06-25 2016-12-29 Intel IP Corporation Ein System und ein Ferfahren zum Bestimmen einer Spiegelbildunterdrückungscharakteristik eines Empfängers innerhalb eines Sendeempfängers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820985A1 (de) * 1988-06-22 1990-02-08 Ant Nachrichtentech Verfahren und anordnung zum kompensieren der intermodulationsverzerrungen eines senders
JP2637818B2 (ja) * 1989-03-20 1997-08-06 富士通株式会社 無線装置における送信パワー制御装置
JP2690168B2 (ja) * 1990-04-23 1997-12-10 沖電気工業株式会社 電力増幅器の歪補正装置
JP2927896B2 (ja) * 1990-06-28 1999-07-28 日本電気株式会社 スペクトラム抑制回路
JPH07118617B2 (ja) * 1990-07-19 1995-12-18 沖電気工業株式会社 電力増幅装置及び送信装置
US5307512A (en) * 1991-06-03 1994-04-26 Motorola, Inc. Power control circuitry for achieving wide dynamic range in a transmitter
US5434887A (en) * 1992-08-25 1995-07-18 Nec Corporation Quadrature modulation circuit for use in a radio transmitter
US5291148A (en) * 1992-12-22 1994-03-01 Hughes Aircraft Company Gain linearization with coplanar waveguide

Also Published As

Publication number Publication date
ES2124858T3 (es) 1999-02-16
FR2707061B1 (da) 1995-09-15
DE69413605T2 (de) 1999-03-04
AU681393B2 (en) 1997-08-28
DE69413605D1 (de) 1998-11-05
ATE171826T1 (de) 1998-10-15
AU6480294A (en) 1995-01-05
US5640692A (en) 1997-06-17
FR2707061A1 (da) 1994-12-30
EP0631381B1 (fr) 1998-09-30
EP0631381A1 (fr) 1994-12-28

Similar Documents

Publication Publication Date Title
EP0645899A3 (en) Mobile communication apparatus with linear power control over wide dynamic range
CA2154877A1 (en) Radio telephone equipment
SE9200890D0 (sv) Mobilradiotelefon
DK0631381T3 (da) Transmissionskæde til digital radiotelefon
CA2232252A1 (en) Radio transmitting apparatus and gain control method for the same
JPS5341221A (en) Photographic light sensitive material
KR900002985B1 (en) Automatic gain control circuit
FR2414822A1 (fr) Attenuateur commande en tension
JPS542006A (en) Receiver
JPS54162905A (en) Radiotelephony equipment
JPS5350959A (en) Automatic gain control device
JPS52153139A (en) Interior power line carrier system
JPS5437665A (en) Automatic fain adjusting circuit
JPS5412518A (en) Scanning velocity modulating circuit
JPS546750A (en) Transistor amplifying device
JPS5379453A (en) Automatic gain control system
PT1276243E (pt) Transmissor para um dispositivo de telecomunicacoes movel
DE69003317T2 (de) Einrichtung zur Verstärkungsanpassung beim Empfangen von Radionachrichtensignalen.
JPS53116732A (en) Non-linear compensating circuit
WO2000079713A3 (en) Digital broadcast transmission system comprising a power control system using a pilot signal
JPS5431761A (en) Light modulating circuit
JPS5647112A (en) Am receiver
ES2102451T3 (es) Procedimiento y sistema de una tv de pago.
JPS57208709A (en) Field effect transistor amplifier with low noise broad wide band
JPS51140461A (en) Linear output amplifier with no distortion at low level of signal