[go: up one dir, main page]

ATE284583T1 - Frequenzumsetzer unter verwendung von unterabtastung - Google Patents

Frequenzumsetzer unter verwendung von unterabtastung

Info

Publication number
ATE284583T1
ATE284583T1 AT00968764T AT00968764T ATE284583T1 AT E284583 T1 ATE284583 T1 AT E284583T1 AT 00968764 T AT00968764 T AT 00968764T AT 00968764 T AT00968764 T AT 00968764T AT E284583 T1 ATE284583 T1 AT E284583T1
Authority
AT
Austria
Prior art keywords
signal
sampling
sub
frequency converter
converting
Prior art date
Application number
AT00968764T
Other languages
English (en)
Inventor
David F Sorrells
Michael J Bultman
Robert W Cook
Jonathan S Jensen
Martin R Johnson
Richard C Looke
Charley D Moses Jr
Gregory S Rawlins
Michael W Rawlins
Robert T Short
Jamison L Young
Original Assignee
Parkervision 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
Priority claimed from US09/526,041 external-priority patent/US6879817B1/en
Application filed by Parkervision Inc filed Critical Parkervision Inc
Application granted granted Critical
Publication of ATE284583T1 publication Critical patent/ATE284583T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
  • Analogue/Digital Conversion (AREA)
AT00968764T 1999-10-07 2000-10-06 Frequenzumsetzer unter verwendung von unterabtastung ATE284583T1 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US15804799P 1999-10-07 1999-10-07
US17134999P 1999-12-21 1999-12-21
US17150299P 1999-12-22 1999-12-22
US17149699P 1999-12-22 1999-12-22
US17770200P 2000-01-24 2000-01-24
US17770500P 2000-01-24 2000-01-24
US18066700P 2000-02-07 2000-02-07
US09/526,041 US6879817B1 (en) 1999-04-16 2000-03-14 DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
PCT/US2000/027555 WO2001026215A2 (en) 1999-10-07 2000-10-06 Down converter using subsampling

Publications (1)

Publication Number Publication Date
ATE284583T1 true ATE284583T1 (de) 2004-12-15

Family

ID=27574999

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00968764T ATE284583T1 (de) 1999-10-07 2000-10-06 Frequenzumsetzer unter verwendung von unterabtastung

Country Status (5)

Country Link
EP (1) EP1222733B1 (de)
AT (1) ATE284583T1 (de)
AU (1) AU7863000A (de)
DE (1) DE60016620T2 (de)
WO (1) WO2001026215A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI439059B (zh) * 2007-01-24 2014-05-21 Marvell World Trade Ltd 使用頻率可轉換阻抗結構之頻率與ｑ-因數可調整濾波器
US8442470B1 (en) 2009-05-14 2013-05-14 Marvell International Ltd. Harmonic-reject FTI filter
RU2012115672A (ru) * 2009-11-02 2013-12-10 Инвеншн плэнет, ЛЛК Детекторная система
US8223067B2 (en) 2009-11-02 2012-07-17 Invention Planet, LLC Noise-canceling down-converting detector
US8089394B2 (en) 2009-11-02 2012-01-03 Invention Planet, LLC Continuous-wave field disturbance sensing system
US8085185B2 (en) 2009-11-02 2011-12-27 Invention Planet, LLC Method of down converting high-frequency signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666584A5 (de) * 1984-11-22 1988-07-29 Zellweger Uster Ag Verfahren und vorrichtung zum demodulieren von hochfrequent modulierten signalen mittels digitaler filter und digitaler demodulatoren, sowie anwendung des verfahrens in einem fernsteuerempfaenger.
WO1994005087A1 (en) * 1992-08-25 1994-03-03 Wireless Access, Inc. A direct conversion receiver for multiple protocols
US5454007A (en) * 1993-09-24 1995-09-26 Rockwell International Corporation Arrangement for and method of concurrent quadrature downconversion input sampling of a bandpass signal
US5705949A (en) * 1996-09-13 1998-01-06 U.S. Robotics Access Corp. Compensation method for I/Q channel imbalance errors
WO1998040968A2 (en) * 1997-03-12 1998-09-17 Koninklijke Philips Electronics N.V. A frequency conversion circuit
DE19735798C1 (de) * 1997-08-18 1998-07-16 Siemens Ag Sendeempfänger
US5883548A (en) * 1997-11-10 1999-03-16 The United States Of America As Represented By The Secretary Of The Navy Demodulation system and method for recovering a signal of interest from an undersampled, modulated carrier

Also Published As

Publication number Publication date
EP1222733B1 (de) 2004-12-08
DE60016620D1 (de) 2005-01-13
AU7863000A (en) 2001-05-10
DE60016620T2 (de) 2005-12-15
WO2001026215A2 (en) 2001-04-12
WO2001026215A3 (en) 2002-01-31
EP1222733A2 (de) 2002-07-17

Similar Documents

Publication Publication Date Title
US5675609A (en) Sinusoidal pulse and pulse train signaling apparatus
DK1155505T3 (da) Flerbåndstranceiver, der benytter modtager med direkte konvertering, samt tilhörende modtager med direkte konvertering
ATE287238T1 (de) System zur abfragung einer implantierten passiven resonanzschaltungsvorrichtung
ATE290301T1 (de) Kommunikationssystem zur detektion von ausserhalb des systems erzeugter interferenz
KR960043629A (ko) 데이타 전송 시스템과 그것을 위한 복조기
ATE433223T1 (de) Verfahren und system zur abwärtsumsetzung von einem elektromagnetischen signal
ATE418823T1 (de) Zeitdriftkompensation in systemen, die auf drahtlosen paketen basieren
ATE543260T1 (de) Frequenzumsetzer unter verwendung von unterabtastung
ATE284583T1 (de) Frequenzumsetzer unter verwendung von unterabtastung
ATE364261T1 (de) Reduzierung von dynamischer gleichspannungsschiebung in einem funkempfänger
DK0760954T3 (da) Fasestøjdetektor
ATE365984T1 (de) Verfahren und system zur bildung eines antennenmusters
DK1327378T3 (da) Höreapparat med en höjfrekvensmodtager
WO2001058103A3 (en) Kaskadenfrequenzumsetzer unter verwendung von phasenverschobenen signalen der lokalen oszillatoren
ATE527749T1 (de) Frequenzumsetzer unter verwendung von unterdrückung der trägerselbstmischung
WO2002009310A3 (en) Compensation for frequency adjustment to track or acquire one or more positional signals
EP1517436A3 (de) Frequenzumsetzer unter verwendung von unterabtastung
US5424685A (en) High-level modulator with bipolar modulation reference
EP1308926A3 (de) Aktives Lärmunterdrückungssystem mit Frequenzansprechkontrolle
MY117812A (en) Phase digitizer for radio communications
DE60218530D1 (de) System mit getakteter schnittstelle
NO20011975D0 (no) Fremgangsmåte og system for nedomforming av at elektromagnetisk signal
DE59409384D1 (de) Schaltungsanordnung zur ableitung eines von der änderungsrichtung der empfangsfeldstärke abhängigen signals
WO2000064042A3 (en) Device for frequency down-converting using undersamling, and method
WO1999044283A3 (en) A device for generating an ac amplitude-dependent indicator

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties