CA2120982A1 - Systeme d'elimination de parasites - Google Patents

Systeme d'elimination de parasites

Info

Publication number
CA2120982A1
CA2120982A1 CA 2120982 CA2120982A CA2120982A1 CA 2120982 A1 CA2120982 A1 CA 2120982A1 CA 2120982 CA2120982 CA 2120982 CA 2120982 A CA2120982 A CA 2120982A CA 2120982 A1 CA2120982 A1 CA 2120982A1
Authority
CA
Canada
Prior art keywords
signal
phase relationship
predetermined phase
spur
signals
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.)
Abandoned
Application number
CA 2120982
Other languages
English (en)
Inventor
Houng-Jay R. Yang
Wilbert B. Copeland
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of CA2120982A1 publication Critical patent/CA2120982A1/fr
Abandoned legal-status Critical Current

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
CA 2120982 1993-04-19 1994-04-11 Systeme d'elimination de parasites Abandoned CA2120982A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4789493A 1993-04-19 1993-04-19
US047,894 1993-04-19

Publications (1)

Publication Number Publication Date
CA2120982A1 true CA2120982A1 (fr) 1994-10-20

Family

ID=21951609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2120982 Abandoned CA2120982A1 (fr) 1993-04-19 1994-04-11 Systeme d'elimination de parasites

Country Status (3)

Country Link
JP (1) JPH0750602A (fr)
CA (1) CA2120982A1 (fr)
FR (1) FR2704375A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325102B (en) * 1997-05-09 2001-10-10 Nokia Mobile Phones Ltd Down conversion mixer
GB2391753B (en) * 2002-05-10 2006-01-11 Motorola, Inc A communication unit and a method of generating a control signal therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617526A (en) * 1979-07-20 1981-02-19 Matsushita Electric Ind Co Ltd Receiving device
JPS5617528A (en) * 1979-07-23 1981-02-19 Mitsubishi Electric Corp Fm receiver
US5179728A (en) * 1991-09-30 1993-01-12 Rockwell International Corporation Spurious product and local oscillator radiation suppression system for use in superheterodyne radio receivers

Also Published As

Publication number Publication date
FR2704375A1 (fr) 1994-10-28
JPH0750602A (ja) 1995-02-21

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead