DE68908628T2 - Abwärtsumsetzerblock mit schwachem Rauschen für Empfänger von direktem Satelliten-Rundfunk mit einer intergrierten flachen Platte. - Google Patents

Abwärtsumsetzerblock mit schwachem Rauschen für Empfänger von direktem Satelliten-Rundfunk mit einer intergrierten flachen Platte.

Info

Publication number
DE68908628T2
DE68908628T2 DE89850194T DE68908628T DE68908628T2 DE 68908628 T2 DE68908628 T2 DE 68908628T2 DE 89850194 T DE89850194 T DE 89850194T DE 68908628 T DE68908628 T DE 68908628T DE 68908628 T2 DE68908628 T2 DE 68908628T2
Authority
DE
Germany
Prior art keywords
flat plate
low noise
down converter
satellite broadcast
broadcast receivers
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.)
Expired - Fee Related
Application number
DE89850194T
Other languages
English (en)
Other versions
DE68908628D1 (de
Inventor
Bernhard D Geller
Amir I Zaghloul
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Publication of DE68908628D1 publication Critical patent/DE68908628D1/de
Application granted granted Critical
Publication of DE68908628T2 publication Critical patent/DE68908628T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE89850194T 1988-06-23 1989-06-12 Abwärtsumsetzerblock mit schwachem Rauschen für Empfänger von direktem Satelliten-Rundfunk mit einer intergrierten flachen Platte. Expired - Fee Related DE68908628T2 (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 (2)

Publication Number Publication Date
DE68908628D1 DE68908628D1 (de) 1993-09-30
DE68908628T2 true DE68908628T2 (de) 1994-04-07

Family

ID=22782896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89850194T Expired - Fee Related DE68908628T2 (de) 1988-06-23 1989-06-12 Abwärtsumsetzerblock mit schwachem Rauschen für Empfänger von direktem Satelliten-Rundfunk mit einer intergrierten flachen Platte.

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
EP0523770B1 (de) * 1991-07-15 1999-09-29 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
KR970004773B1 (ko) 1997-04-03
CA1327643C (en) 1994-03-08
IN171705B (de) 1992-12-19
DK309389A (da) 1989-12-24
DE68908628D1 (de) 1993-09-30
NO892605L (no) 1989-12-27
EP0348370A2 (de) 1989-12-27
EP0348370A3 (en) 1990-02-28
JPH0244903A (ja) 1990-02-14
EP0348370B1 (de) 1993-08-25
KR910002037A (ko) 1991-01-31
AU619557B2 (en) 1992-01-30
IL90678A0 (en) 1990-01-18
AU3597589A (en) 1990-01-04
DK309389D0 (da) 1989-06-22
NO892605D0 (no) 1989-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee