WO2002049224A3 - Zero if transceiver - Google Patents

Zero if transceiver Download PDF

Info

Publication number
WO2002049224A3
WO2002049224A3 PCT/US2001/050894 US0150894W WO0249224A3 WO 2002049224 A3 WO2002049224 A3 WO 2002049224A3 US 0150894 W US0150894 W US 0150894W WO 0249224 A3 WO0249224 A3 WO 0249224A3
Authority
WO
WIPO (PCT)
Prior art keywords
frequency
output
transmit
transceiver
receive band
Prior art date
Application number
PCT/US2001/050894
Other languages
French (fr)
Other versions
WO2002049224A2 (en
Inventor
Puay Hoe See
Paul E Peterzell
Brett C Walker
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
Priority to AU2002243396A priority Critical patent/AU2002243396A1/en
Priority to EP01989291A priority patent/EP1329029A2/en
Priority to KR10-2003-7005791A priority patent/KR20030044043A/en
Priority to MXPA03003663A priority patent/MXPA03003663A/en
Priority to CA002426934A priority patent/CA2426934A1/en
Priority to JP2002550413A priority patent/JP2004521532A/en
Priority to BRPI0114908-3A priority patent/BR0114908A/en
Publication of WO2002049224A2 publication Critical patent/WO2002049224A2/en
Publication of WO2002049224A3 publication Critical patent/WO2002049224A3/en

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

Abstract

A zero Intermediate Frequency (IF) transmitter and receiver are implemented within a transceiver to eliminate interference in the receive band. An output of a tunable high oscillator to generate a frequency source that is an integer multiple of the desired transmit LO frequency. The frequency source is coupled to an amplitude limiter and frequency divider. The output of the frequency divider is used as the transmit LO to directly upconvert baseband signals to the desired output frequency without the need for an IF stage. Direct upconversion of the baseband transmit signals without an IF stage eliminates spurious frequency products that are produced in the receive band.
PCT/US2001/050894 2000-10-26 2001-10-24 Zero if transceiver WO2002049224A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2002243396A AU2002243396A1 (en) 2000-10-26 2001-10-24 Zero if transceiver
EP01989291A EP1329029A2 (en) 2000-10-26 2001-10-24 Zero if transceiver
KR10-2003-7005791A KR20030044043A (en) 2000-10-26 2001-10-24 Zero if transceiver
MXPA03003663A MXPA03003663A (en) 2000-10-26 2001-10-24 Zero if transceiver.
CA002426934A CA2426934A1 (en) 2000-10-26 2001-10-24 Zero if transceiver
JP2002550413A JP2004521532A (en) 2000-10-26 2001-10-24 Transceiver without intermediate frequency (IF)
BRPI0114908-3A BR0114908A (en) 2000-10-26 2001-10-24 null intermediate frequency transceiver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69777900A 2000-10-26 2000-10-26
US09/697,779 2000-10-26

Publications (2)

Publication Number Publication Date
WO2002049224A2 WO2002049224A2 (en) 2002-06-20
WO2002049224A3 true WO2002049224A3 (en) 2003-03-13

Family

ID=24802498

Family Applications (1)

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

Country Status (9)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008252249A (en) * 2007-03-29 2008-10-16 Mitsubishi Electric Corp Ground station apparatus for satellite communication
JP4914283B2 (en) * 2007-04-20 2012-04-11 日本無線株式会社 Frequency synthesizer circuit
JP2012527185A (en) * 2009-05-15 2012-11-01 シーティーエス・コーポレーション High performance RFRx module
TWI616067B (en) * 2016-10-14 2018-02-21 瑞昱半導體股份有限公司 Dual-mode signal transceiver and method thereof
CN107786240B (en) * 2017-10-12 2019-10-15 安徽白鹭电子科技有限公司 The digital communication transceiver apparatus of multiple carrier frequency jump
CN113890561B (en) * 2021-11-17 2023-07-21 歌尔科技有限公司 Electronic equipment and radio frequency circuit thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0798880A2 (en) * 1996-03-29 1997-10-01 Nokia Mobile Phones Ltd. Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station
EP0865165A2 (en) * 1997-03-14 1998-09-16 Kabushiki Kaisha Toshiba Radio apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0798880A2 (en) * 1996-03-29 1997-10-01 Nokia Mobile Phones Ltd. Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station
EP0865165A2 (en) * 1997-03-14 1998-09-16 Kabushiki Kaisha Toshiba Radio apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GOLDBERG L: "COMMUNICATIONS TECHNOLOGIES GOING TO SILICON AT ISSCC", ELECTRONIC DESIGN, PENTON PUBLISHING, CLEVELAND, OH, US, VOL. 43, NR. 4, PAGE(S) 95-96,100,102,, ISSN: 0013-4872, XP000501540 *

Also Published As

Publication number Publication date
AU2002243396A1 (en) 2002-06-24
WO2002049224A2 (en) 2002-06-20
KR20030044043A (en) 2003-06-02
EP1329029A2 (en) 2003-07-23
JP2004521532A (en) 2004-07-15
CN1547807A (en) 2004-11-17
MXPA03003663A (en) 2004-05-04
CA2426934A1 (en) 2002-06-20
BR0114908A (en) 2006-05-09

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