IN171705B - - Google Patents

Info

Publication number
IN171705B
IN171705B IN441/CAL/89A IN441CA1989A IN171705B IN 171705 B IN171705 B IN 171705B IN 441CA1989 A IN441CA1989 A IN 441CA1989A IN 171705 B IN171705 B IN 171705B
Authority
IN
India
Application number
IN441/CAL/89A
Other languages
English (en)
Inventor
Bernard D Geller
Amir Ibrahim Zaghloul
Original Assignee
Communications Satellite Corp
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 Communications Satellite Corp filed Critical Communications Satellite Corp
Publication of IN171705B publication Critical patent/IN171705B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
    • H03D9/0633—Transference of modulation using distributed inductance and capacitance by means of diodes mounted on a stripline circuit
    • H03D9/0641—Transference of modulation using distributed inductance and capacitance by means of diodes mounted on a stripline circuit located in a hollow waveguide

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
IN441/CAL/89A 1988-06-23 1989-06-07 IN171705B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/210,433 US5125109A (en) 1988-06-23 1988-06-23 Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna

Publications (1)

Publication Number Publication Date
IN171705B true IN171705B (de) 1992-12-19

Family

ID=22782896

Family Applications (1)

Application Number Title Priority Date Filing Date
IN441/CAL/89A IN171705B (de) 1988-06-23 1989-06-07

Country Status (11)

Country Link
US (1) US5125109A (de)
EP (1) EP0348370B1 (de)
JP (1) JPH0244903A (de)
KR (1) KR970004773B1 (de)
AU (1) AU619557B2 (de)
CA (1) CA1327643C (de)
DE (1) DE68908628T2 (de)
DK (1) DK309389A (de)
IL (1) IL90678A0 (de)
IN (1) IN171705B (de)
NO (1) NO892605L (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2846482B2 (ja) * 1991-01-28 1999-01-13 三菱電機株式会社 フィルタ・アンテナ装置
US5381157A (en) * 1991-05-02 1995-01-10 Sumitomo Electric Industries, Ltd. Monolithic microwave integrated circuit receiving device having a space between antenna element and substrate
US5523768A (en) * 1991-05-30 1996-06-04 Conifer Corporation Integrated feed and down converter apparatus
DE69230048T2 (de) * 1991-07-15 2000-01-05 Matsushita Electric Works Ltd Abwärtsumwandlerblock mit geringem Rauschen zur Anwendung in einer ebenen Antenne für doppelt polarisierte elektromagnetische Wellen
US5630226A (en) * 1991-07-15 1997-05-13 Matsushita Electric Works, Ltd. Low-noise downconverter for use with flat antenna receiving dual polarized electromagnetic waves
US5376942A (en) * 1991-08-20 1994-12-27 Sumitomo Electric Industries, Ltd. Receiving device with separate substrate surface
GB2261771B (en) * 1991-11-20 1995-08-30 Northern Telecom Ltd Flat plate antenna
ES2088167T3 (es) * 1992-01-23 1996-08-01 Yokowo Seisakusho Kk Antena plana para ondas polarizadas circularmente.
US5483663A (en) * 1994-04-05 1996-01-09 Diversified Communication Engineering, Inc. System for providing local originating signals with direct broadcast satellite television signals
EP0683561A1 (de) * 1994-05-18 1995-11-22 Guan-Wu Wang Kostengünstiger, rauscharmer Frequenzumsetzer mit Mischer in Selbsterregung für Satellitenempfänger
US5467094A (en) * 1994-06-28 1995-11-14 Comsat Corporation Flat antenna low-noise block down converter capacitively coupled to feed network
US5649312A (en) * 1994-11-14 1997-07-15 Fujitsu Limited MMIC downconverter for a direct broadcast satellite low noise block downconverter
US5793258A (en) * 1994-11-23 1998-08-11 California Amplifier Low cross polarization and broad bandwidth
US5903827A (en) * 1995-07-07 1999-05-11 Fujitsu Compound Semiconductor, Inc. Single balanced frequency downconverter for direct broadcast satellite transmissions and hybrid ring signal combiner
US5995818A (en) * 1996-07-30 1999-11-30 Trw Inc. Low noise block downconverter
US5761605A (en) * 1996-10-11 1998-06-02 Northpoint Technology, Ltd. Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
US6285323B1 (en) 1997-10-14 2001-09-04 Mti Technology & Engineering (1993) Ltd. Flat plate antenna arrays
US6020848A (en) * 1998-01-27 2000-02-01 The Boeing Company Monolithic microwave integrated circuits for use in low-cost dual polarization phased-array antennas
GB9906047D0 (en) 1999-03-17 1999-05-12 Secr Defence Improvements in electromagnetic wave receiver front ends
JP3923405B2 (ja) * 2002-10-09 2007-05-30 シャープ株式会社 低雑音コンバータ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330868A (en) * 1980-12-15 1982-05-18 Rockwell International Corp. Balun coupled microwave frequency converter
US4596047A (en) * 1981-08-31 1986-06-17 Nippon Electric Co., Ltd. Satellite broadcasting receiver including a parabolic antenna with a feed waveguide having a microstrip down converter circuit
JPS5871735A (ja) * 1981-10-26 1983-04-28 Hitachi Ltd テレビジヨン受信機のチユ−ナ
FR2522885A1 (fr) * 1982-03-05 1983-09-09 Thomson Brandt Ensemble de circuits hyperfrequences du type microbande, destines a des bandes de frequences differentes, et application d'un tel ensemble
US4477813A (en) * 1982-08-11 1984-10-16 Ball Corporation Microstrip antenna system having nonconductively coupled feedline
JPS5933337U (ja) * 1982-08-25 1984-03-01 デイエツクスアンテナ株式会社 高周波信号切換スイツチ
JPS59149414A (ja) * 1983-02-15 1984-08-27 Dx Antenna Co Ltd 分岐装置
US4679249A (en) * 1984-02-15 1987-07-07 Matsushita Electric Industrial Co., Ltd. Waveguide-to-microstrip line coupling arrangement and a frequency converter having the coupling arrangement
US4607394A (en) * 1985-03-04 1986-08-19 General Electric Company Single balanced planar mixer
US4761654A (en) * 1985-06-25 1988-08-02 Communications Satellite Corporation Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines
DE3526046A1 (de) * 1985-07-20 1987-01-22 Bosch Gmbh Robert Array-antenne
US5005019A (en) * 1986-11-13 1991-04-02 Communications Satellite Corporation Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines

Also Published As

Publication number Publication date
US5125109A (en) 1992-06-23
JPH0244903A (ja) 1990-02-14
IL90678A0 (en) 1990-01-18
CA1327643C (en) 1994-03-08
KR910002037A (ko) 1991-01-31
AU619557B2 (en) 1992-01-30
EP0348370A2 (de) 1989-12-27
AU3597589A (en) 1990-01-04
EP0348370B1 (de) 1993-08-25
EP0348370A3 (en) 1990-02-28
DE68908628D1 (de) 1993-09-30
DE68908628T2 (de) 1994-04-07
KR970004773B1 (ko) 1997-04-03
DK309389A (da) 1989-12-24
NO892605L (no) 1989-12-27
NO892605D0 (no) 1989-06-22
DK309389D0 (da) 1989-06-22

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