CA2337714A1 - Receiver system using analog to digital conversion at radio frequency and method - Google Patents

Receiver system using analog to digital conversion at radio frequency and method Download PDF

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Publication number
CA2337714A1
CA2337714A1 CA002337714A CA2337714A CA2337714A1 CA 2337714 A1 CA2337714 A1 CA 2337714A1 CA 002337714 A CA002337714 A CA 002337714A CA 2337714 A CA2337714 A CA 2337714A CA 2337714 A1 CA2337714 A1 CA 2337714A1
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CA
Canada
Prior art keywords
analog
signals
radio frequency
converter
digital
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.)
Granted
Application number
CA002337714A
Other languages
French (fr)
Other versions
CA2337714C (en
Inventor
Walter Joseph Kaminski
Arild Kolsrud
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2337714A1 publication Critical patent/CA2337714A1/en
Application granted granted Critical
Publication of CA2337714C publication Critical patent/CA2337714C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • H04B1/403Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406Circuits 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers
    • H04B1/28Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes

Abstract

A receiver receives analog signals at radio frequency (RF), and the RF analog signals are converted into the digital domain. As such, the receiver does not require frequency conversion stage(s) prior to analog to digital conversion. For example, the receiver can comprise at least one antenna(s) which receives radio frequency (RF) analog signals at different frequency bands. The analog RF signals are provided to a single analog to digital (A/D) converter, and the A/D converter converts the analog RF signals at the different frequency bands into digital signals within the Nyquist bandwidth. By properly selecting the sampling rate of the A/D converter for the RF
analog signals, the A/D converter can produce replicas of the different frequency bands of the analog signals in non-overlapping portions of the Nyquist bandwidth.
CA002337714A 2000-04-14 2001-02-22 Receiver system using analog to digital conversion at radio frequency and method Expired - Lifetime CA2337714C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/548,995 2000-04-14
US09/548,995 US6678512B1 (en) 2000-04-14 2000-04-14 Receiver system using analog to digital conversion at radio frequency and method

Publications (2)

Publication Number Publication Date
CA2337714A1 true CA2337714A1 (en) 2001-10-14
CA2337714C CA2337714C (en) 2005-09-13

Family

ID=24191226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002337714A Expired - Lifetime CA2337714C (en) 2000-04-14 2001-02-22 Receiver system using analog to digital conversion at radio frequency and method

Country Status (9)

Country Link
US (1) US6678512B1 (en)
EP (1) EP1148653B1 (en)
JP (1) JP3614790B2 (en)
KR (1) KR100539846B1 (en)
CN (1) CN1318957A (en)
AU (1) AU3508201A (en)
BR (1) BRPI0101297B1 (en)
CA (1) CA2337714C (en)
DE (1) DE60000503T2 (en)

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CN101729081A (en) * 2008-10-17 2010-06-09 鸿富锦精密工业(深圳)有限公司 Dual-frequency-band receiving system and electronic device applying same
WO2010050960A1 (en) * 2008-10-30 2010-05-06 Hewlett-Packard Development Company, L.P. Wireless device with selectable antennas
US8509368B2 (en) * 2008-12-18 2013-08-13 L-3 Communications Integrated Systems, L.P. System and method for clock jitter compensation in direct RF receiver architectures
DE102009028919A1 (en) * 2009-08-27 2011-03-03 Robert Bosch Gmbh Method and controller for direct sampling of a plurality of radio bands
US8350970B2 (en) * 2009-09-30 2013-01-08 Wi-Lan, Inc. Radio frequency front end for television band receiver and spectrum sensor
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Also Published As

Publication number Publication date
KR100539846B1 (en) 2005-12-28
US6678512B1 (en) 2004-01-13
JP3614790B2 (en) 2005-01-26
EP1148653A1 (en) 2001-10-24
EP1148653B1 (en) 2002-09-25
DE60000503D1 (en) 2002-10-31
KR20010098566A (en) 2001-11-08
BR0101297A (en) 2001-11-13
CA2337714C (en) 2005-09-13
JP2002026758A (en) 2002-01-25
CN1318957A (en) 2001-10-24
DE60000503T2 (en) 2003-06-26
BRPI0101297B1 (en) 2015-12-29
AU3508201A (en) 2001-10-18

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Effective date: 20210222