CA2136443A1 - Method and apparatus for separating channels from a radio frequency transmitter - Google Patents

Method and apparatus for separating channels from a radio frequency transmitter

Info

Publication number
CA2136443A1
CA2136443A1 CA002136443A CA2136443A CA2136443A1 CA 2136443 A1 CA2136443 A1 CA 2136443A1 CA 002136443 A CA002136443 A CA 002136443A CA 2136443 A CA2136443 A CA 2136443A CA 2136443 A1 CA2136443 A1 CA 2136443A1
Authority
CA
Canada
Prior art keywords
port
signal
frequency
circulator
transfer module
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
CA002136443A
Other languages
English (en)
French (fr)
Inventor
Rolf E. Kowalewski
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.)
Motorola Solutions Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2136443A1 publication Critical patent/CA2136443A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/02—Transmitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002136443A 1993-04-21 1994-03-22 Method and apparatus for separating channels from a radio frequency transmitter Abandoned CA2136443A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5110193A 1993-04-21 1993-04-21
US08/051,101 1993-04-21

Publications (1)

Publication Number Publication Date
CA2136443A1 true CA2136443A1 (en) 1994-10-27

Family

ID=21969350

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002136443A Abandoned CA2136443A1 (en) 1993-04-21 1994-03-22 Method and apparatus for separating channels from a radio frequency transmitter

Country Status (5)

Country Link
EP (1) EP0660983A4 (ko)
JP (1) JPH07508391A (ko)
KR (1) KR950702355A (ko)
CA (1) CA2136443A1 (ko)
WO (1) WO1994024772A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809551B1 (fr) * 2000-05-25 2002-07-19 Bruker Sa Dispositif generateur de signaux rf a frequences multiples
US7342508B2 (en) 2003-12-26 2008-03-11 Medtronic Minimed, Inc. Telemetry system and method with variable parameters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128740A (en) * 1977-02-14 1978-12-05 Motorola, Inc. Antenna array for a cellular RF communications system
US4661993A (en) * 1984-10-12 1987-04-28 At&T Company Technique for improving radio system performance during fading
US4688259A (en) * 1985-12-11 1987-08-18 Ford Aerospace & Communications Corporation Reconfigurable multiplexer
US4667172A (en) * 1986-04-07 1987-05-19 Motorola, Inc. Ceramic transmitter combiner with variable electrical length tuning stub and coupling loop interface
US5048116A (en) * 1989-05-24 1991-09-10 Motorola, Inc. Signal routing system

Also Published As

Publication number Publication date
JPH07508391A (ja) 1995-09-14
WO1994024772A1 (en) 1994-10-27
KR950702355A (ko) 1995-06-19
EP0660983A4 (en) 2000-09-13
EP0660983A1 (en) 1995-07-05

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Legal Events

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