SE458895B - Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare - Google Patents

Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare

Info

Publication number
SE458895B
SE458895B SE8703483A SE8703483A SE458895B SE 458895 B SE458895 B SE 458895B SE 8703483 A SE8703483 A SE 8703483A SE 8703483 A SE8703483 A SE 8703483A SE 458895 B SE458895 B SE 458895B
Authority
SE
Sweden
Prior art keywords
cos
sin
signals
digital
transmitter
Prior art date
Application number
SE8703483A
Other languages
English (en)
Swedish (sv)
Other versions
SE8703483D0 (sv
SE8703483L (sv
Inventor
P C M Vollmer
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 SE8703483A priority Critical patent/SE458895B/sv
Publication of SE8703483D0 publication Critical patent/SE8703483D0/xx
Priority to ES88850246T priority patent/ES2043889T3/es
Priority to DE88850246T priority patent/DE3884116T2/de
Priority to EP88850246A priority patent/EP0307377B1/en
Priority to FI883492A priority patent/FI85078C/sv
Priority to US07/241,305 priority patent/US4956837A/en
Priority to DK497688A priority patent/DK168723B1/da
Priority to NO883989A priority patent/NO173309C/no
Publication of SE8703483L publication Critical patent/SE8703483L/
Publication of SE458895B publication Critical patent/SE458895B/sv

Links

Classifications

    • 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
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1215—Formatting, e.g. arrangement of data block or words on the record carriers on cards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Brushes (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE8703483A 1987-09-08 1987-09-08 Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare SE458895B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE8703483A SE458895B (sv) 1987-09-08 1987-09-08 Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare
ES88850246T ES2043889T3 (es) 1987-09-08 1988-07-12 Aparato para evitar las dispersiones de espectro cuando se activa y desactiva un transmisor.
DE88850246T DE3884116T2 (de) 1987-09-08 1988-07-12 Apparat zur Vermeidung der Spektrumsverbreiterung während der An- und Ausschaltung einer Sendevorrichtung.
EP88850246A EP0307377B1 (en) 1987-09-08 1988-07-12 Apparatus for avoiding spectrum spreading when switching a transmitter on and off
FI883492A FI85078C (sv) 1987-09-08 1988-07-22 Anordning för att undvika spektrumbreddning vid till- och frånslag av en sändare
US07/241,305 US4956837A (en) 1987-09-08 1988-09-07 Apparatus for avoiding spectrum spreading when switching a transmitter on and off
DK497688A DK168723B1 (da) 1987-09-08 1988-09-07 Apparat til forhindring af spektrumudvidelse ved til- og frakobling af en radiosender
NO883989A NO173309C (no) 1987-09-08 1988-09-07 Apparat for } unng} spektrum-spredning ved p}- og avslag av en sender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8703483A SE458895B (sv) 1987-09-08 1987-09-08 Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare

Publications (3)

Publication Number Publication Date
SE8703483D0 SE8703483D0 (sv) 1987-09-08
SE8703483L SE8703483L (sv) 1989-03-09
SE458895B true SE458895B (sv) 1989-05-16

Family

ID=20369511

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8703483A SE458895B (sv) 1987-09-08 1987-09-08 Anordning foer att undvika spektrumbreddning vid till- och fraanslag av en saendare

Country Status (8)

Country Link
US (1) US4956837A (no)
EP (1) EP0307377B1 (no)
DE (1) DE3884116T2 (no)
DK (1) DK168723B1 (no)
ES (1) ES2043889T3 (no)
FI (1) FI85078C (no)
NO (1) NO173309C (no)
SE (1) SE458895B (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8826918D0 (en) † 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
FI89120C (fi) * 1991-09-24 1993-08-10 Nokia Mobile Phones Ltd Effektinstaellning i en boosterfoerstaerkare
JP2887987B2 (ja) * 1991-10-23 1999-05-10 日本電気株式会社 ディジタル変調回路
US5459758A (en) * 1993-11-02 1995-10-17 Interdigital Technology Corporation Noise shaping technique for spread spectrum communications
GB2289386B (en) * 1994-04-28 1998-12-30 Motorola Ltd Radio transmitter and method of control of transmit power increase
US5697073A (en) * 1994-08-26 1997-12-09 Motorola, Inc. Apparatus and method for shaping and power controlling a signal in a transmitter
US6246715B1 (en) 1998-06-26 2001-06-12 Samsung Electronics Co., Ltd. Data transmitter and receiver of a DS-CDMA communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2419569A1 (de) * 1973-05-25 1974-12-12 Ericsson Telefon Ab L M Verfahren und anordnung zum erzeugen eines pulsierenden tonfrequenzsignals bestehend aus einer folge von wiederholten toenen
US4644531A (en) * 1981-04-07 1987-02-17 Fujitsu Limited Time division communication system
US4494239A (en) * 1982-05-26 1985-01-15 At&T Bell Laboratories Frame synchronization and phase ambiguity resolution in QAM transmission systems

Also Published As

Publication number Publication date
NO173309C (no) 1993-11-24
DK497688A (da) 1989-03-09
FI883492A (fi) 1989-03-09
SE8703483D0 (sv) 1987-09-08
NO883989D0 (no) 1988-09-07
NO173309B (no) 1993-08-16
EP0307377A1 (en) 1989-03-15
SE8703483L (sv) 1989-03-09
DE3884116T2 (de) 1994-01-13
NO883989L (no) 1989-03-09
US4956837A (en) 1990-09-11
DK497688D0 (da) 1988-09-07
FI85078B (fi) 1991-11-15
FI883492A0 (fi) 1988-07-22
ES2043889T3 (es) 1994-01-01
FI85078C (sv) 1992-02-25
DK168723B1 (da) 1994-05-24
DE3884116D1 (de) 1993-10-21
EP0307377B1 (en) 1993-09-15

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