FI950271L - Laite ja menetelmä taajuuden muuntamiseksi viestintälaitteessa - Google Patents

Laite ja menetelmä taajuuden muuntamiseksi viestintälaitteessa Download PDF

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Publication number
FI950271L
FI950271L FI950271A FI950271A FI950271L FI 950271 L FI950271 L FI 950271L FI 950271 A FI950271 A FI 950271A FI 950271 A FI950271 A FI 950271A FI 950271 L FI950271 L FI 950271L
Authority
FI
Finland
Prior art keywords
frequency conversion
communication device
communication
conversion
frequency
Prior art date
Application number
FI950271A
Other languages
English (en)
Swedish (sv)
Other versions
FI950271A0 (fi
FI950271A7 (fi
Inventor
Kevin B Traylor
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of FI950271A0 publication Critical patent/FI950271A0/fi
Publication of FI950271L publication Critical patent/FI950271L/fi
Publication of FI950271A7 publication Critical patent/FI950271A7/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/005—Analog to digital conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0052—Digital to analog conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0068—Mixing by computation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/007—Mixing by using a logic circuit, e.g. flipflop, XOR
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0072—Mixing by complex multiplication
    • 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
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Power Engineering (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Automation & Control Theory (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Printing Methods (AREA)
  • Superheterodyne Receivers (AREA)
  • Analogue/Digital Conversion (AREA)
FI950271A 1993-06-21 1994-05-16 Laite ja menetelmä taajuuden muuntamiseksi viestintälaitteessa FI950271A7 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8024793A 1993-06-21 1993-06-21
PCT/US1994/005419 WO1995001006A1 (en) 1993-06-21 1994-05-16 Apparatus and method for frequency translation in a communication device

Publications (3)

Publication Number Publication Date
FI950271A0 FI950271A0 (fi) 1995-01-23
FI950271L true FI950271L (fi) 1995-01-23
FI950271A7 FI950271A7 (fi) 1995-01-23

Family

ID=22156157

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950271A FI950271A7 (fi) 1993-06-21 1994-05-16 Laite ja menetelmä taajuuden muuntamiseksi viestintälaitteessa

Country Status (9)

Country Link
US (1) US5801654A (fi)
EP (1) EP0656161A4 (fi)
JP (1) JPH08501428A (fi)
KR (1) KR0174781B1 (fi)
CA (1) CA2140437A1 (fi)
FI (1) FI950271A7 (fi)
GB (1) GB2284955A (fi)
TW (1) TW310503B (fi)
WO (1) WO1995001006A1 (fi)

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US7194083B1 (en) 2002-07-15 2007-03-20 Bellsouth Intellectual Property Corporation System and method for interfacing plain old telephone system (POTS) devices with cellular networks
US7149514B1 (en) 1997-07-30 2006-12-12 Bellsouth Intellectual Property Corp. Cellular docking station
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
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
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
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
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
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6411802B1 (en) 1999-03-15 2002-06-25 Bellsouth Intellectual Property Management Corporation Wireless backup telephone device
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
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
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
WO2001026214A2 (en) * 1999-10-07 2001-04-12 Parkervision, Inc. Frequency converter and method
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6963734B2 (en) 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
US7292835B2 (en) 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
WO2001071906A2 (en) * 2000-03-22 2001-09-27 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
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
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
DE10031538C2 (de) 2000-06-28 2002-12-12 Siemens Ag Digital/Analog-Wandler
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7120454B1 (en) 2001-12-26 2006-10-10 Bellsouth Intellectual Property Corp. Auto sensing home base station for mobile telephone with remote answering capabilites
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US8526466B2 (en) 2002-07-15 2013-09-03 At&T Intellectual Property I, L.P. Apparatus and method for prioritizing communications between devices
US8000682B2 (en) 2002-07-15 2011-08-16 At&T Intellectual Property I, L.P. Apparatus and method for restricting access to data
US8554187B2 (en) 2002-07-15 2013-10-08 At&T Intellectual Property I, L.P. Apparatus and method for routing communications between networks and devices
US7200424B2 (en) 2002-07-15 2007-04-03 Bellsouth Intelectual Property Corporation Systems and methods for restricting the use and movement of telephony devices
US8275371B2 (en) 2002-07-15 2012-09-25 At&T Intellectual Property I, L.P. Apparatus and method for providing communications and connection-oriented services to devices
US8416804B2 (en) 2002-07-15 2013-04-09 At&T Intellectual Property I, L.P. Apparatus and method for providing a user interface for facilitating communications between devices
US8543098B2 (en) 2002-07-15 2013-09-24 At&T Intellectual Property I, L.P. Apparatus and method for securely providing communications between devices and networks
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
US7349491B2 (en) * 2003-03-28 2008-03-25 Ess Technology, Inc. Frequency shaping stream signal processor
US8373309B2 (en) * 2009-08-19 2013-02-12 Schweitzer Engineering Laboratories Inc Systems and methods for asynchronous sampling data conversion
US9112523B1 (en) * 2014-05-30 2015-08-18 Freescale Semiconductor, Inc. Multiplying digital to analog converter (MDAC) with error compensation and method of operation

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DE2612238C3 (de) * 1976-03-23 1981-07-30 Carl Schenck Ag, 6100 Darmstadt Verfahren zur Ermittlung der Vektor-Komponenten einer Schwingung und Schaltungsanordnung zur Durchführung des Verfahrens
US4142241A (en) * 1977-10-19 1979-02-27 North Atlantic Industries, Inc. Harmonic insensitive phase sensitive demodulator
GB2108685B (en) * 1981-10-15 1985-06-12 Rolls Royce Signal processing means acting as a frequency range translator and as a filter
US4524326A (en) * 1982-07-22 1985-06-18 Amca International Corp. Digitally-driven sine/cosine generator and modulator
US4727752A (en) * 1987-02-04 1988-03-01 Sundstrand Data Control, Inc. Pseudosinusoidal oscillator drive system
US5150121A (en) * 1988-10-13 1992-09-22 New Sd, Inc. Parameter sensing and processing system
US5668842A (en) * 1995-02-28 1997-09-16 Hughes Aircraft Company High-speed digital-to-RF-converter

Also Published As

Publication number Publication date
GB2284955A (en) 1995-06-21
FI950271A0 (fi) 1995-01-23
JPH08501428A (ja) 1996-02-13
WO1995001006A1 (en) 1995-01-05
TW310503B (fi) 1997-07-11
FI950271A7 (fi) 1995-01-23
CA2140437A1 (en) 1995-01-05
EP0656161A1 (en) 1995-06-07
EP0656161A4 (en) 1995-11-02
US5801654A (en) 1998-09-01
GB9503037D0 (en) 1995-04-05
KR950703228A (ko) 1995-08-23
KR0174781B1 (ko) 1999-04-01

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