[go: up one dir, main page]

FI120124B - Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens - Google Patents

Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens Download PDF

Info

Publication number
FI120124B
FI120124B FI981209A FI981209A FI120124B FI 120124 B FI120124 B FI 120124B FI 981209 A FI981209 A FI 981209A FI 981209 A FI981209 A FI 981209A FI 120124 B FI120124 B FI 120124B
Authority
FI
Finland
Prior art keywords
sampling
och
första
andra
den
Prior art date
Application number
FI981209A
Other languages
English (en)
Finnish (fi)
Other versions
FI981209A (sv
FI981209A0 (sv
Inventor
Kari Halonen
Saska Lindfors
Aarno Paerssinen
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI981209A priority Critical patent/FI120124B/sv
Publication of FI981209A0 publication Critical patent/FI981209A0/sv
Priority to US09/316,357 priority patent/US6438366B1/en
Priority to EP99660088A priority patent/EP0961406A3/en
Publication of FI981209A publication Critical patent/FI981209A/sv
Application granted granted Critical
Publication of FI120124B publication Critical patent/FI120124B/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0283—Filters characterised by the filter structure
    • H03H17/0286—Combinations of filter structures
    • H03H17/0291—Digital and sampled data filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FI981209A 1998-05-29 1998-05-29 Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens FI120124B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI981209A FI120124B (sv) 1998-05-29 1998-05-29 Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens
US09/316,357 US6438366B1 (en) 1998-05-29 1999-05-21 Method and circuit for sampling a signal at high sampling frequency
EP99660088A EP0961406A3 (en) 1998-05-29 1999-05-25 Method and circuit for sampling a signal at high sampling frequency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981209 1998-05-29
FI981209A FI120124B (sv) 1998-05-29 1998-05-29 Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens

Publications (3)

Publication Number Publication Date
FI981209A0 FI981209A0 (sv) 1998-05-29
FI981209A FI981209A (sv) 1999-11-30
FI120124B true FI120124B (sv) 2009-06-30

Family

ID=8551847

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981209A FI120124B (sv) 1998-05-29 1998-05-29 Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens

Country Status (3)

Country Link
US (1) US6438366B1 (sv)
EP (1) EP0961406A3 (sv)
FI (1) FI120124B (sv)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6061551A (en) * 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6813485B2 (en) * 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US8295406B1 (en) * 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
SE9903532D0 (sv) * 1999-09-28 1999-09-28 Jiren Yuan Versatile charge sampling circuits
FI107477B (sv) 1999-12-16 2001-08-15 Valtion Teknillinen Förfarande för att åtskilja signaler från varandra och ett filter
US6959049B2 (en) * 2000-04-10 2005-10-25 Texas Instruments Incorporated Multi-tap, digital-pulse-driven mixer
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6829003B2 (en) * 2000-06-02 2004-12-07 Pentax Corporation Sampling pulse generator of electronic endoscope
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6963732B2 (en) * 2001-04-25 2005-11-08 Texas Instruments Incorporated Subsampling communication receiver architecture with relaxed IFA readout timing
US7003276B2 (en) * 2001-04-25 2006-02-21 Texas Instruments Incorporated Subsampling communication receiver architecture with gain control and RSSI generation
US7356069B2 (en) * 2001-04-25 2008-04-08 Texas Instruments Incorporated Spread spectrum demodulation using a subsampling communication receiver architecture
US8027657B2 (en) * 2001-10-26 2011-09-27 Texas Instruments Incorporated Sampling mixer with asynchronous clock and signal domains
US6643171B2 (en) * 2001-11-06 2003-11-04 Winbond Electronics Corporation High dynamic range recording and playback for multilevel storage using differential sampling
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7321640B2 (en) * 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US7379883B2 (en) * 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) * 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7197524B2 (en) * 2003-05-29 2007-03-27 Texas Instruments Incorporated Direct RF sampling for cable applications and other broadband signals
JP4306515B2 (ja) * 2003-08-29 2009-08-05 株式会社デンソー 同期検波方法及び装置
US7558351B2 (en) * 2004-02-10 2009-07-07 Wionics Research Super harmonic filter and method of filtering frequency components from a signal
EP1800399B1 (en) * 2004-10-12 2008-11-19 Stmicroelectronics Sa Method of sampling an analogue radiofrequency signal
US7339509B2 (en) * 2006-05-02 2008-03-04 Agilent Technologies, Inc. Sampling system using sampling apertures of different durations
US8000426B2 (en) * 2008-03-21 2011-08-16 Oracle America, Inc. Mechanism for constructing an oversampled waveform for a set of signals received by a receiver
US7994850B2 (en) * 2008-06-25 2011-08-09 Qualcomm, Incorporated Discrete time multi-rate analog filter
US9568581B2 (en) * 2012-07-16 2017-02-14 Fujitsu Limited Signal sampler with a calibration circuit
US8838055B2 (en) 2012-11-30 2014-09-16 Motorola Solutions, Inc. Dynamic sub-sampling radio frequency mixer systems and methods
EP3576301B1 (en) * 2013-03-15 2024-02-28 Hae-Seung Lee Buffer amplifier circuit
JP2015100042A (ja) * 2013-11-19 2015-05-28 株式会社東芝 ノイズ除去装置、および撮像装置

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253067A (en) * 1978-12-11 1981-02-24 Rockwell International Corporation Baseband differentially phase encoded radio signal detector
CA1233890A (en) 1985-05-27 1988-03-08 Peter Gillingham Decimating filter
JPS63318811A (ja) * 1987-06-22 1988-12-27 Toshiba Corp ディジタルフィルタ装置
FI91337C (sv) 1990-04-27 1994-06-10 Nokia Mobile Phones Ltd Kopplingsanordning för elimination av felåtergivning i en radiotelefonmottagare
FI86120C (sv) 1990-07-02 1992-07-10 Nokia Mobile Phones Ltd A/D- eller D/A-omvandlare, A/D- och D/A-omvandlarsystem samt kalibreri ngsförfarande för dessa
US5134403A (en) 1990-12-06 1992-07-28 Hewlett-Packard Co. High speed sampling and digitizing system requiring no hold circuit
FI88980C (sv) 1991-01-09 1993-07-26 Nokia Mobile Phones Ltd Sigma-delta-modulator för D/A-omvandlare
US5162723A (en) 1991-02-11 1992-11-10 Hewlett-Packard Company Sampling signal analyzer
FI88765C (sv) 1991-04-09 1993-06-28 Nokia Mobile Phones Ltd Förfarande och arrangemang för stabilering av en högre grads sigma-del ta-modulator
US5303404A (en) 1991-10-17 1994-04-12 Nokia Mobile Phones Ltd. Adjustable bandwidth in a radiotelephone
FI95853C (sv) 1991-11-08 1996-03-25 Nokia Mobile Phones Ltd Förfarande för att avlägsna verkan av offset-spänningsvariationer på utspänningen hos en D/A-omvandlare
FI98580C (sv) 1991-11-14 1997-07-10 Nokia Mobile Phones Ltd Selektivfiltrering i en cellulär telefon
GB9318640D0 (en) * 1993-09-08 1993-10-27 Philips Electronics Uk Ltd Integrator
FI107855B (sv) 1993-09-10 2001-10-15 Nokia Mobile Phones Ltd Demodulering av mf-signal med sigma-delta-konverter
FI96811C (sv) 1993-11-30 1996-08-26 Nokia Mobile Phones Ltd Förfarande och kretsanordning för kompensering av DC-offsetspänningen i en D/A-omvandlare
FI950106A (sv) 1995-01-10 1996-07-11 Nokia Mobile Phones Ltd Förfarande och koppling för att filtera störning i radioapparats mottagare
FI98020C (sv) 1995-06-06 1997-03-25 Nokia Mobile Phones Ltd Moduleringsförfarande och modulator för en digital signal
FI101027B (sv) 1996-01-05 1998-03-31 Nokia Mobile Phones Ltd Multiplexerad signalkonvertering
GB2310115B (en) * 1996-02-08 2000-06-07 Nokia Mobile Phones Ltd Method and apparatus for dc compensation
US6037887A (en) * 1996-03-06 2000-03-14 Burr-Brown Corporation Programmable gain for delta sigma analog-to-digital converter
US5691720A (en) * 1996-03-08 1997-11-25 Burr- Brown Corporation Delta sigma analog-to-digital converter having programmable resolution/bias current circuitry and method
US5892540A (en) 1996-06-13 1999-04-06 Rockwell International Corporation Low noise amplifier for passive pixel CMOS imager
US5909131A (en) * 1996-07-31 1999-06-01 Analog Devices, Inc. Low-distortion technique to bandlimit a switched-capacitor sampling circuit
US5914638A (en) * 1997-06-06 1999-06-22 Omnivision Technologies, Inc. Method and apparatus for adjusting the common-mode output voltage of a sample-and-hold amplifier
US6061008A (en) * 1997-12-19 2000-05-09 Rockwell Science Center, Inc. Sigma-delta-sigma modulator for high performance analog-to-digital and digital-to-analog conversion
US6243430B1 (en) * 1998-01-09 2001-06-05 Qualcomm Incorporated Noise cancellation circuit in a quadrature downconverter
US6100834A (en) * 1998-05-15 2000-08-08 Pairgain Technologies, Inc. Recursive multi-bit ADC with predictor
US6215337B1 (en) * 1999-01-12 2001-04-10 Qualcomm Incorporated Linear sampling switch
US6194940B1 (en) * 1999-09-27 2001-02-27 Lucent Technologies Inc. Automatic clock switching

Also Published As

Publication number Publication date
EP0961406A3 (en) 1999-12-29
US6438366B1 (en) 2002-08-20
FI981209A (sv) 1999-11-30
US20020098823A1 (en) 2002-07-25
EP0961406A2 (en) 1999-12-01
FI981209A0 (sv) 1998-05-29

Similar Documents

Publication Publication Date Title
FI120124B (sv) Förfarande och krets för att taga prov av en signal med hög provtagningsfrekvens
JP4213348B2 (ja) 無線周波数のサンプリングを伴うデジタル受信
Gupta et al. Digital channelizing radio frequency receiver
US6518905B2 (en) Parallel time interleaved delta sigma modulator
US4982193A (en) Analogue to digital conversion: method and apparatus therefor
CA2181843C (en) Demodulator, modulation and demodulation system, and demodulation method
US20030050027A1 (en) Digitally controlled analog RF filtering in subsampling communication receiver architecture
US6177896B1 (en) Oversampling digital/analog converter
US7532684B2 (en) Direct RF complex analog to digital converter
US6690748B2 (en) Receiver with improved digital intermediate to base band demodulator
US7053673B1 (en) Versatile charge sampling circuits
Poberezhskiy et al. Sampling and signal reconstruction circuits performing internal antialiasing filtering and their influence on the design of digital receivers and transmitters
WO2000069085A9 (en) Programmable digital intermediate frequency transceiver
US7514993B2 (en) IQ demodulator
US6388600B1 (en) Asynchronous superconductor serial multiply-accumulator
GB2128433A (en) Signal processing system employing charge transfer devices
US7047263B2 (en) Fast-settling digital filter and method for analog-to-digital converters
EP3435550B1 (en) Digital up-converter and method therefor
KR100957321B1 (ko) 소프트웨어 무선기 및 이를 이용한 신호처리 방법
Mazlouman et al. A frequency-translating hybrid architecture for wide-band analog-to-digital converters
US7634247B2 (en) Method of sampling an analogue radiofrequency signal
Kim et al. Design optimization of polyphase digital down converters for extremely high frequency wireless communications
Liu et al. Digitization, channelization, and packeting
JPS63502789A (ja) アナログ／ディジタル変換：その方法および装置
US7266161B1 (en) Efficient method and apparatus for parallel processing for use with high-speed single-bit sampling

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 120124

Country of ref document: FI

MM Patent lapsed