AU2002243396A1 - Zero if transceiver - Google Patents

Zero if transceiver

Info

Publication number
AU2002243396A1
AU2002243396A1 AU2002243396A AU4339602A AU2002243396A1 AU 2002243396 A1 AU2002243396 A1 AU 2002243396A1 AU 2002243396 A AU2002243396 A AU 2002243396A AU 4339602 A AU4339602 A AU 4339602A AU 2002243396 A1 AU2002243396 A1 AU 2002243396A1
Authority
AU
Australia
Prior art keywords
output
frequency
mixer
wireless communication
communication device
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2002243396A
Other languages
English (en)
Inventor
Paul E Peterzell
Puay Hoe See
Brett C. Walker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of AU2002243396A1 publication Critical patent/AU2002243396A1/en
Abandoned legal-status Critical Current

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Transmitters (AREA)
AU2002243396A 2000-10-26 2001-10-24 Zero if transceiver Abandoned AU2002243396A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69777900A 2000-10-26 2000-10-26
US09/697,779 2000-10-26
PCT/US2001/050894 WO2002049224A2 (en) 2000-10-26 2001-10-24 Zero if transceiver

Publications (1)

Publication Number Publication Date
AU2002243396A1 true AU2002243396A1 (en) 2002-06-24

Family

ID=24802498

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002243396A Abandoned AU2002243396A1 (en) 2000-10-26 2001-10-24 Zero if transceiver

Country Status (9)

Country Link
EP (1) EP1329029A2 (pt)
JP (1) JP2004521532A (pt)
KR (1) KR20030044043A (pt)
CN (1) CN1547807A (pt)
AU (1) AU2002243396A1 (pt)
BR (1) BR0114908A (pt)
CA (1) CA2426934A1 (pt)
MX (1) MXPA03003663A (pt)
WO (1) WO2002049224A2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008252249A (ja) * 2007-03-29 2008-10-16 Mitsubishi Electric Corp 衛星通信用地上局装置
JP4914283B2 (ja) * 2007-04-20 2012-04-11 日本無線株式会社 周波数シンセサイザ回路
CN202586956U (zh) * 2009-05-15 2012-12-05 Cts公司 高性能射频频分双工接收模块
TWI616067B (zh) * 2016-10-14 2018-02-21 瑞昱半導體股份有限公司 雙模訊號收發裝置與其方法
CN107786240B (zh) * 2017-10-12 2019-10-15 安徽白鹭电子科技有限公司 多重载波频率跳变的数字通信电台装置
CN113890561B (zh) * 2021-11-17 2023-07-21 歌尔科技有限公司 一种电子设备及其射频电路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI112133B (fi) * 1996-03-29 2003-10-31 Nokia Corp Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä
JP3475037B2 (ja) * 1997-03-14 2003-12-08 株式会社東芝 無線機

Also Published As

Publication number Publication date
WO2002049224A2 (en) 2002-06-20
CA2426934A1 (en) 2002-06-20
MXPA03003663A (es) 2004-05-04
EP1329029A2 (en) 2003-07-23
WO2002049224A3 (en) 2003-03-13
JP2004521532A (ja) 2004-07-15
KR20030044043A (ko) 2003-06-02
CN1547807A (zh) 2004-11-17
BR0114908A (pt) 2006-05-09

Similar Documents

Publication Publication Date Title
US6584090B1 (en) System and process for shared functional block CDMA and GSM communication transceivers
EP1350333B1 (en) Local oscillator leakage control in direct conversion processes
EP0678974B1 (en) A transmitter and/or receiver
EP0829970B1 (en) Dual mode transceiver for TDMA and FDD modes
US6269253B1 (en) Multi-mode wireless communication system
AU2002245251A1 (en) Local oscillator leakage control in direct conversion processes
JP2000031861A (ja) 無線通信用トランシ―バ
US20070087702A1 (en) Radio transmission apparatus and radio transmission method
US20020163391A1 (en) Local oscillator leakage control in direct conversion processes
US6738604B2 (en) Programmable IF bandwidth using fixed bandwidth filters
US6115584A (en) Transmitter-receiver for use in broadband wireless access communications systems
KR101053136B1 (ko) 공유 기능 블록 멀티 모드 멀티 밴드 통신 트랜시버
AU2002243396A1 (en) Zero if transceiver
US7263334B2 (en) Directional coupler for use in VCO unequal power splitting
RU2336626C2 (ru) Способ управления просачиванием сигнала гетеродина в методах прямого преобразования
JP4358890B2 (ja) 直接変換プロセスにおける局部発振器漏洩制御
KR100212054B1 (ko) 중간주파수 공유형 송수신 회로
JPH09191264A (ja) 送受信装置、受信装置、通信システムおよび受信部評価装置
EP1257065A1 (en) Frequency synthesiser for mobile terminals for wireless telecommunication systems