HK1038286A1 - Power amplifier output circuit and related method for operation for harmonic suppression in dual band mobile phone. - Google Patents

Power amplifier output circuit and related method for operation for harmonic suppression in dual band mobile phone.

Info

Publication number
HK1038286A1
HK1038286A1 HK01108761A HK01108761A HK1038286A1 HK 1038286 A1 HK1038286 A1 HK 1038286A1 HK 01108761 A HK01108761 A HK 01108761A HK 01108761 A HK01108761 A HK 01108761A HK 1038286 A1 HK1038286 A1 HK 1038286A1
Authority
HK
Hong Kong
Prior art keywords
mobile phone
power amplifier
output circuit
amplifier output
dual band
Prior art date
Application number
HK01108761A
Other languages
English (en)
Inventor
Roman Glockner
Alexander Herold
Paul Johansson
Original Assignee
Telefonaktibolaget Lm Ericsson
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 Telefonaktibolaget Lm Ericsson filed Critical Telefonaktibolaget Lm Ericsson
Publication of HK1038286A1 publication Critical patent/HK1038286A1/xx

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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/38—Transceivers, 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
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • 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
    • H04B1/38—Transceivers, 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
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
HK01108761A 1998-05-22 2001-12-13 Power amplifier output circuit and related method for operation for harmonic suppression in dual band mobile phone. HK1038286A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823049A DE19823049C2 (de) 1998-05-22 1998-05-22 Leistungsverstärker-Ausgangsschaltung zur Unterdrückung von Oberschwingungen für eine Mobilfunkeinheit mit Doppelbandbetrieb und Verfahren zum Betreiben derselben
PCT/EP1999/003528 WO1999062195A1 (en) 1998-05-22 1999-05-21 Harmonic suppression in dual band mobile phones

Publications (1)

Publication Number Publication Date
HK1038286A1 true HK1038286A1 (en) 2002-03-08

Family

ID=7868686

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108761A HK1038286A1 (en) 1998-05-22 2001-12-13 Power amplifier output circuit and related method for operation for harmonic suppression in dual band mobile phone.

Country Status (12)

Country Link
US (1) US6400963B1 (xx)
EP (1) EP1078472B1 (xx)
JP (1) JP4278868B2 (xx)
KR (1) KR100671651B1 (xx)
CN (1) CN1149748C (xx)
AU (1) AU752984B2 (xx)
BR (1) BR9910658A (xx)
DE (1) DE19823049C2 (xx)
EE (1) EE04478B1 (xx)
HK (1) HK1038286A1 (xx)
MY (1) MY126433A (xx)
WO (1) WO1999062195A1 (xx)

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Also Published As

Publication number Publication date
WO1999062195A1 (en) 1999-12-02
MY126433A (en) 2006-09-29
JP2002517122A (ja) 2002-06-11
US6400963B1 (en) 2002-06-04
BR9910658A (pt) 2001-01-30
AU4366099A (en) 1999-12-13
DE19823049C2 (de) 2000-09-21
EE04478B1 (et) 2005-04-15
KR100671651B1 (ko) 2007-01-18
AU752984B2 (en) 2002-10-03
EP1078472A1 (en) 2001-02-28
EP1078472B1 (en) 2002-07-24
CN1149748C (zh) 2004-05-12
CN1302480A (zh) 2001-07-04
KR20010043766A (ko) 2001-05-25
DE19823049A1 (de) 1999-12-16
EE200000675A (et) 2002-04-15
JP4278868B2 (ja) 2009-06-17

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090521