SE510523C2 - Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet - Google Patents

Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet

Info

Publication number
SE510523C2
SE510523C2 SE9703294A SE9703294A SE510523C2 SE 510523 C2 SE510523 C2 SE 510523C2 SE 9703294 A SE9703294 A SE 9703294A SE 9703294 A SE9703294 A SE 9703294A SE 510523 C2 SE510523 C2 SE 510523C2
Authority
SE
Sweden
Prior art keywords
frequency
radio communication
communication unit
radio
transmitter
Prior art date
Application number
SE9703294A
Other languages
English (en)
Swedish (sv)
Other versions
SE9703294D0 (sv
SE9703294L (sv
Inventor
Lars Peter Kuenkel
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
Publication of SE9703294D0 publication Critical patent/SE9703294D0/xx
Priority to SE9703294A priority Critical patent/SE510523C2/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to PCT/SE1998/001413 priority patent/WO1999013594A1/en
Priority to GB0006040A priority patent/GB2344949B/en
Priority to BR9812196-0A priority patent/BR9812196A/pt
Priority to AU84697/98A priority patent/AU8469798A/en
Priority to CN98809080.5A priority patent/CN1126282C/zh
Priority to EEP200000128A priority patent/EE03642B1/xx
Priority to US09/150,163 priority patent/US6370360B1/en
Priority to CO98052152A priority patent/CO4810275A1/es
Priority to MYPI98004135A priority patent/MY120762A/en
Priority to ARP980104539A priority patent/AR013957A1/es
Publication of SE9703294L publication Critical patent/SE9703294L/
Publication of SE510523C2 publication Critical patent/SE510523C2/sv
Priority to HK01102585A priority patent/HK1031958A1/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
    • H04B1/0053—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 with common antenna for more than one band
    • H04B1/0057—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 with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
SE9703294A 1997-09-11 1997-09-11 Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet SE510523C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9703294A SE510523C2 (sv) 1997-09-11 1997-09-11 Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
PCT/SE1998/001413 WO1999013594A1 (en) 1997-09-11 1998-07-24 Apparatus and method for radio communication
GB0006040A GB2344949B (en) 1997-09-11 1998-07-24 Apparatus and method for radio communication
BR9812196-0A BR9812196A (pt) 1997-09-11 1998-07-24 Unidade de rádio comunicação, uso da mesma, e,rádio telefone arranjado para comunicação empelo menos um sistema de telefonia móvel
AU84697/98A AU8469798A (en) 1997-09-11 1998-07-24 Apparatus and method for radio communication
CN98809080.5A CN1126282C (zh) 1997-09-11 1998-07-24 用于无线通信的设备和方法
EEP200000128A EE03642B1 (et) 1997-09-11 1998-07-24 Raadiosides kasutatav seade ja meetod
US09/150,163 US6370360B1 (en) 1997-09-11 1998-09-09 Arrangement and method for radio communication
MYPI98004135A MY120762A (en) 1997-09-11 1998-09-10 Arrangement and method for radio communication
CO98052152A CO4810275A1 (es) 1997-09-11 1998-09-10 Aparato y metodo de comunicacion por radio en bandas de frecuencias divididas en canales racines de canales asociados
ARP980104539A AR013957A1 (es) 1997-09-11 1998-09-11 Un aparato de comunicacion por radio.
HK01102585A HK1031958A1 (en) 1997-09-11 2001-04-11 Apparatus and method for radio communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703294A SE510523C2 (sv) 1997-09-11 1997-09-11 Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet

Publications (3)

Publication Number Publication Date
SE9703294D0 SE9703294D0 (sv) 1997-09-11
SE9703294L SE9703294L (sv) 1999-03-12
SE510523C2 true SE510523C2 (sv) 1999-05-31

Family

ID=20408226

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703294A SE510523C2 (sv) 1997-09-11 1997-09-11 Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet

Country Status (12)

Country Link
US (1) US6370360B1 (xx)
CN (1) CN1126282C (xx)
AR (1) AR013957A1 (xx)
AU (1) AU8469798A (xx)
BR (1) BR9812196A (xx)
CO (1) CO4810275A1 (xx)
EE (1) EE03642B1 (xx)
GB (1) GB2344949B (xx)
HK (1) HK1031958A1 (xx)
MY (1) MY120762A (xx)
SE (1) SE510523C2 (xx)
WO (1) WO1999013594A1 (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE510523C2 (sv) 1997-09-11 1999-05-31 Ericsson Telefon Ab L M Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
US6614837B1 (en) * 1998-09-25 2003-09-02 Skyworks Solutions, Inc. Device system and method for low noise radio frequency transmission
GB2350948B (en) * 1999-06-04 2003-10-01 Mitel Semiconductor Ltd Frequency changer and digital tuner
FR2796792B1 (fr) * 1999-07-22 2001-10-12 Cit Alcatel Dispositif d'emission radioelectrique
EP1148654A1 (de) * 2000-04-18 2001-10-24 Infineon Technologies AG Sende- und Empfangseinheit
US8693959B1 (en) * 2000-07-21 2014-04-08 Intel Corporation System and apparatus for a direct conversion receiver and transmitter
US6888580B2 (en) * 2001-02-27 2005-05-03 Ati Technologies Inc. Integrated single and dual television tuner having improved fine tuning
KR100390512B1 (ko) * 2001-06-22 2003-07-04 엘지전자 주식회사 이동통신 단말기의 셀프 콰이어팅 제거장치
DE10131676A1 (de) * 2001-06-29 2003-01-16 Infineon Technologies Ag Empfängeranordnung mit Wechselstrom-Kopplung
EP1313220A1 (en) * 2001-11-19 2003-05-21 Motorola, Inc. Apparatus for generating multiple clock signals of different frequency characteristics
US7035614B2 (en) 2002-12-13 2006-04-25 Microtune (Texas), L.P. System and method for discovering frequency related spurs in a multi-conversion tuner
US20040116394A1 (en) * 2002-12-13 2004-06-17 Dabur Research Foundation Method for treating cancer using betulinic acid rich herbal extract
JP2004235910A (ja) * 2003-01-30 2004-08-19 Nec Corp チャネル決定方法及びにそれに用いる無線局並びに端末装置
US7245882B1 (en) * 2003-07-17 2007-07-17 Atheros Communications, Inc. Method and apparatus for a signal selective RF transceiver system
JP2005278098A (ja) * 2004-03-26 2005-10-06 Alps Electric Co Ltd テレビジョン信号送信機
US20080146184A1 (en) * 2006-12-19 2008-06-19 Microtune (Texas), L.P. Suppression of lo-related interference from tuners
JP5339150B2 (ja) * 2009-09-30 2013-11-13 ソニー株式会社 無線通信装置
US8598925B1 (en) * 2012-07-16 2013-12-03 Nanowave Technologies Inc. Frequency determination circuit and method
CN103647568B (zh) * 2013-12-20 2016-02-10 四川大学 一种外场数据数字接收机、外场数据检测系统及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091960B (en) 1981-01-27 1985-06-19 Int Standard Electric Corp High speed frequency synthesizer
US4969210A (en) * 1988-02-10 1990-11-06 Motorola, Inc. Two-way radio having a PLL
US5065408A (en) * 1990-04-26 1991-11-12 Motorola, Inc. Fractional-division synthesizer for a voice/data communications systems
US5055800A (en) 1990-04-30 1991-10-08 Motorola, Inc. Fractional n/m synthesis
US5021754A (en) * 1990-07-16 1991-06-04 Motorola, Inc. Fractional-N synthesizer having modulation spur compensation
US5111162A (en) 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5493700A (en) * 1993-10-29 1996-02-20 Motorola Automatic frequency control apparatus
US5448763A (en) * 1993-11-09 1995-09-05 Motorola Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing
US5535432A (en) 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
JP3327028B2 (ja) * 1995-02-14 2002-09-24 松下電器産業株式会社 周波数シンセサイザ
JP3070442B2 (ja) * 1995-05-24 2000-07-31 日本電気株式会社 ディジタル変復調回路
US5974305A (en) * 1997-05-15 1999-10-26 Nokia Mobile Phones Limited Dual band architectures for mobile stations
SE510523C2 (sv) 1997-09-11 1999-05-31 Ericsson Telefon Ab L M Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
US6308048B1 (en) * 1997-11-19 2001-10-23 Ericsson Inc. Simplified reference frequency distribution in a mobile phone

Also Published As

Publication number Publication date
BR9812196A (pt) 2001-12-18
CN1126282C (zh) 2003-10-29
WO1999013594A1 (en) 1999-03-18
EE200000128A (et) 2001-02-15
MY120762A (en) 2005-11-30
AU8469798A (en) 1999-03-29
EE03642B1 (et) 2002-02-15
GB2344949A (en) 2000-06-21
GB0006040D0 (en) 2000-05-03
CO4810275A1 (es) 1999-06-30
SE9703294D0 (sv) 1997-09-11
US6370360B1 (en) 2002-04-09
AR013957A1 (es) 2001-01-31
SE9703294L (sv) 1999-03-12
HK1031958A1 (en) 2001-06-29
CN1270715A (zh) 2000-10-18
GB2344949B (en) 2001-09-26

Similar Documents

Publication Publication Date Title
SE510523C2 (sv) Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
EP0581573B1 (en) Universal radio telephone
US5519885A (en) Method to generate different frequency signals in a digital radio telephone
US5408201A (en) Frequency synthesizer using three subfrequency synthesizers for generating two different frequencies
US4476575A (en) Radio transceiver
US4231116A (en) Radio station system
US5909149A (en) Multiband phase locked loop using a switched voltage controlled oscillator
US5291474A (en) Procedure for forming frequencies of a digital radio telephone
JPH1032520A (ja) ２つの周波数帯域の無線周波数信号を送受信する送受信装置
US7327993B2 (en) Low leakage local oscillator system
GB2320631A (en) A receiver or transmitter for both terrestrial and satellite communication having a shared mixer
JP2001024543A (ja) 送受信機
WO1989007865A1 (en) Bandswitching a two-way radio having a pll
US6816021B2 (en) Multiple band local oscillator frequency generation circuit
EP0398688B1 (en) Procedure for forming frequencies of a digital radio telephone
CA1091310A (en) Pll synthesizer
KR19980087241A (ko) 위상동기루프를 사용한 주파수 합성기의 락-업 고속화회로
US6912376B1 (en) Mobile phone transceiver
US4095190A (en) Tuning system
JP4220836B2 (ja) マルチバンド発振器
JPS61103324A (ja) 無線通信装置のシンセサイザ回路
JPS61154215A (ja) 水性分散液からなる結合剤
JPH01270418A (ja) 同時双方向ｆｍ送受信機
EP0655844A2 (en) Method and apparatus for forming intermediate frequency signals
KR100566262B1 (ko) 위성이동통신시스템무선주파수부의주파수합성방법

Legal Events

Date Code Title Description
NUG Patent has lapsed