WO2001080418A3 - Frequency converter - Google Patents

Frequency converter Download PDF

Info

Publication number
WO2001080418A3
WO2001080418A3 PCT/US2001/012086 US0112086W WO0180418A3 WO 2001080418 A3 WO2001080418 A3 WO 2001080418A3 US 0112086 W US0112086 W US 0112086W WO 0180418 A3 WO0180418 A3 WO 0180418A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
carrier
conversion process
phase
modulated onto
Prior art date
Application number
PCT/US2001/012086
Other languages
French (fr)
Other versions
WO2001080418A2 (en
Inventor
David F Sorrells
Michael J Bultman
Robert W Cook
Richard C Looke
Charley D Moses Jr
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 US09/548,923 external-priority patent/US7039372B1/en
Application filed by Parkervision Inc filed Critical Parkervision Inc
Priority to AU2001253453A priority Critical patent/AU2001253453A1/en
Priority to EP01926955A priority patent/EP1277272A2/en
Publication of WO2001080418A2 publication Critical patent/WO2001080418A2/en
Publication of WO2001080418A3 publication Critical patent/WO2001080418A3/en

Links

Classifications

    • 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
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/62—Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present

Abstract

A method and system is described wherein an information signals is gated at a frequency that is a sub-harmonic of the frequency of the desired output signal. In the modulation embodiments, the information signal is modulated as part of the up-conversion process. In a first modulation embodiment, one information signal is phase modulated onto the carrier signal as part of the up-conversion process. In a second modulation embodiment, two information signals are multiplied, and, as part of the up-conversion process, one signal is phase modulated onto the carrier and the other signal is amplitude modulated onto the carrier. In a third modulation embodiment, one information signal is phase modulated onto the 'I' phase of the carrier signal as part of the up-conversion process and a second information signal is phase modulated onto the 'Q' phase of the carrier as part of the up-conversion process. In a fourth modulation embodiment, four information signals are phase and amplitude modulated onto the 'I' and 'Q' phases of the carrier as part of the up-conversion process. There are at least two implementations of each of the aforementioned embodiment.
PCT/US2001/012086 2000-04-13 2001-04-13 Frequency converter WO2001080418A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001253453A AU2001253453A1 (en) 2000-04-13 2001-04-13 Frequency converter
EP01926955A EP1277272A2 (en) 2000-04-13 2001-04-13 Frequency converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/548,923 US7039372B1 (en) 1998-10-21 2000-04-13 Method and system for frequency up-conversion with modulation embodiments
US09/548,923 2000-04-13

Publications (2)

Publication Number Publication Date
WO2001080418A2 WO2001080418A2 (en) 2001-10-25
WO2001080418A3 true WO2001080418A3 (en) 2002-10-31

Family

ID=24190941

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/012086 WO2001080418A2 (en) 2000-04-13 2001-04-13 Frequency converter

Country Status (3)

Country Link
EP (1) EP1277272A2 (en)
AU (1) AU2001253453A1 (en)
WO (1) WO2001080418A2 (en)

Families Citing this family (3)

* 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
US9325556B2 (en) 1998-10-21 2016-04-26 Parkervision, Inc. Methods and systems for down-converting a signal
DE102018009389A1 (en) 2018-11-29 2020-06-04 Ingo Schuppler Object made of fine-grained material and a binder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087336A1 (en) * 1982-02-12 1983-08-31 Thomson-Csf Transistor mixer for microwave frequency transmitters
FR2669787A1 (en) * 1990-11-23 1992-05-29 Alcatel Telspace Symmetric UHF mixer
DE19627640A1 (en) * 1995-07-10 1997-01-16 Murata Manufacturing Co mixer
EP0789449A2 (en) * 1996-02-07 1997-08-13 Ford Motor Company Distortion-free switching signal mixer
GB2324919A (en) * 1994-10-12 1998-11-04 Hewlett Packard Co Modulation or frequency conversion by time sharing
US5844449A (en) * 1997-03-05 1998-12-01 Fujitsu Limited Gilbert cell phase modulator having two outputs combined in a balun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087336A1 (en) * 1982-02-12 1983-08-31 Thomson-Csf Transistor mixer for microwave frequency transmitters
FR2669787A1 (en) * 1990-11-23 1992-05-29 Alcatel Telspace Symmetric UHF mixer
GB2324919A (en) * 1994-10-12 1998-11-04 Hewlett Packard Co Modulation or frequency conversion by time sharing
DE19627640A1 (en) * 1995-07-10 1997-01-16 Murata Manufacturing Co mixer
EP0789449A2 (en) * 1996-02-07 1997-08-13 Ford Motor Company Distortion-free switching signal mixer
US5844449A (en) * 1997-03-05 1998-12-01 Fujitsu Limited Gilbert cell phase modulator having two outputs combined in a balun

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
B. RAZAVI: "A 900 MHZ/1.8GHZ CMOS TRANSMITTER FOR DUAL BAND APPLICATIONS", 1998 SYMPOSIUM ON VLSI CIRCUITS DIGEST OF TECHNICAL PAPERSS, NEW YORK,US, pages 128 - 131, XP001072587 *
G. RITTER: "A NEW SOLUTION FOR TRANSCEIVERS", 16TH EUROPEAN MICROWAVE CONFERENCE, 8 September 1986 (1986-09-08), DUBLIN, IRELAND, pages 729 - 733, XP002210678 *

Also Published As

Publication number Publication date
AU2001253453A1 (en) 2001-10-30
EP1277272A2 (en) 2003-01-22
WO2001080418A2 (en) 2001-10-25

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