KR890003149A - 위성방송 수신용 옥외장치 저잡음 캔버터 - Google Patents
위성방송 수신용 옥외장치 저잡음 캔버터 Download PDFInfo
- Publication number
- KR890003149A KR890003149A KR1019880006479A KR880006479A KR890003149A KR 890003149 A KR890003149 A KR 890003149A KR 1019880006479 A KR1019880006479 A KR 1019880006479A KR 880006479 A KR880006479 A KR 880006479A KR 890003149 A KR890003149 A KR 890003149A
- Authority
- KR
- South Korea
- Prior art keywords
- low noise
- satellite broadcasting
- butter
- outdoor equipment
- equipment low
- Prior art date
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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- 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
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- 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
- H04B1/16—Circuits
-
- 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
- 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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명의 한 실시예에서의 한 회로도. 제 2도는 수신작동을 위한 2-밴드의 관계표시도.
Claims (2)
- 광대역 저잡음 증폭기, 복수의 증폭기의 출력 신호를 분할하기 위한 전원분할, 전원분할기의 분할신호 각각에 상당하게 제공되는 복수의 밴드통과형 필터와 믹서회로, 그리고 믹서회로의 출력신호를 후단-IF증폭기(IFMP)에 스윗칭을 위한 출력선택회로로 구성되는 것을 특징으로 하는 위성방송수신용 옥외장치 저잡음 컨버터.
- 2주파수 밴드를 수신하기 위한 전원공급으로서 사용되는하나의 IF신호터미널을 가지고 있는 IF신호 터미널을 통하여 공급되는 전원공급 전압의 수준에 따라 수신되는 주파수밴드를 변경하는 수단을 특징으로 하는 위성방송수신용 옥외장치 저잡음 컨버터.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP87-185877 | 1987-07-24 | ||
JP62-185877 | 1987-07-24 | ||
JP62185877A JPS6429129A (en) | 1987-07-24 | 1987-07-24 | Low noise converter for satellite broadcast reception |
JP62-115478 | 1987-07-27 | ||
JP1987115478U JPH0522996Y2 (ko) | 1987-07-27 | 1987-07-27 | |
JP87-115478 | 1987-07-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890003149A true KR890003149A (ko) | 1989-04-13 |
KR910003414B1 KR910003414B1 (ko) | 1991-05-30 |
Family
ID=26453971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880006479A KR910003414B1 (ko) | 1987-07-24 | 1988-05-31 | 위성방송수신용 옥외장치 저잡음 컨버터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5027430A (ko) |
EP (1) | EP0300173B1 (ko) |
KR (1) | KR910003414B1 (ko) |
CA (1) | CA1329640C (ko) |
DE (1) | DE3883454T2 (ko) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910003234B1 (ko) * | 1988-05-18 | 1991-05-24 | 삼성전자 주식회사 | 위성방송 수신용 저잡음 블럭 변환기 |
DE3909685A1 (de) * | 1989-03-23 | 1990-09-27 | Kathrein Werke Kg | Verfahren zur frequenzumsetzung insbesondere fuer satellitenempfangs-gemeinschaftsanlagen sowie zugehoeriger frequenzumsetzer |
DE3929824A1 (de) * | 1989-09-07 | 1991-03-14 | Kathrein Werke Kg | Zwei-band-konverteranordnung |
JP2595783B2 (ja) * | 1990-07-31 | 1997-04-02 | 日本電気株式会社 | 送信器 |
US5402138A (en) * | 1991-05-30 | 1995-03-28 | Conifer Corporation | Integrated MMDS/MDS antenna and dual band down converter |
US5280636A (en) * | 1991-06-13 | 1994-01-18 | Hughes Aircraft Company | Multi-band digital receiving apparatus and method with bandwidth reduction |
DE4126774A1 (de) * | 1991-08-13 | 1993-02-18 | Kathrein Werke Kg | Konverteranordnung zum empfang von satelliten-empfangssignalen |
EP0534278A1 (en) * | 1991-09-26 | 1993-03-31 | THOMSON multimedia | High frequency converter |
JPH05268501A (ja) * | 1991-12-27 | 1993-10-15 | Gold Star Co Ltd | 衛星放送受信システム |
US5437052A (en) * | 1993-04-16 | 1995-07-25 | Conifer Corporation | MMDS over-the-air bi-directional TV/data transmission system and method therefor |
DE4316800C2 (de) * | 1993-05-19 | 1996-12-19 | Grundig Emv | Satellitenempfänger mit einer Vorrichtung zur Erzeugung von Gleichspannungen mit oder ohne überlagerter Wechselspannung zur Steuerung der Außeneinheit einer Satellitenempfangsanlage |
US5493718A (en) * | 1993-08-26 | 1996-02-20 | Anadigics, Inc. | Dual-channel low current low noise block downconverter |
US5649312A (en) * | 1994-11-14 | 1997-07-15 | Fujitsu Limited | MMIC downconverter for a direct broadcast satellite low noise block downconverter |
EP0718964A3 (en) * | 1994-12-20 | 1996-10-02 | Fujitsu Compound Semiconductor | Switchable oscillator circuit and method |
US5995818A (en) * | 1996-07-30 | 1999-11-30 | Trw Inc. | Low noise block downconverter |
KR100413410B1 (ko) * | 1996-12-16 | 2004-02-14 | 엘지전자 주식회사 | 위성방송 수신기의 저잡음 블록의 국부발진 주파수 자동 설정방 법 |
JP3414604B2 (ja) * | 1996-12-27 | 2003-06-09 | シャープ株式会社 | 2出力低雑音ダウンコンバータ回路 |
US5970386A (en) | 1997-01-27 | 1999-10-19 | Hughes Electronics Corporation | Transmodulated broadcast delivery system for use in multiple dwelling units |
US5940737A (en) * | 1997-02-27 | 1999-08-17 | Hughes Electronics Corporation | Signal selector |
US5966646A (en) * | 1997-05-13 | 1999-10-12 | Ericsson, Inc. | Dual-band radio receiver |
FR2764760B1 (fr) * | 1997-06-17 | 2001-07-06 | Thomson Multimedia Sa | Protocole de commande de circuits utilises pour la reception de signaux hyperfrequence et dispositif mettant en oeuvre le protocole |
US6029052A (en) * | 1997-07-01 | 2000-02-22 | Telefonaktiebolaget Lm Ericsson | Multiple-mode direct conversion receiver |
US6208296B1 (en) * | 1998-07-24 | 2001-03-27 | Sony Corporation | Method and apparatus for training a receiver on a source |
US6259902B1 (en) * | 1998-10-29 | 2001-07-10 | Motorola, Inc. | Dual channel superheterodyne receiver |
FR2788643B1 (fr) * | 1999-01-20 | 2007-02-23 | Sagem | Procede et dispositif de reception d'un signal radiofrequence dans un telephone mobile |
GB0030965D0 (en) | 2000-12-19 | 2001-01-31 | Nokia Oy Ab | Improvements relating to satellite reception` |
US7142809B1 (en) | 2001-02-27 | 2006-11-28 | The Directv Group, Inc. | Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use |
US20020154055A1 (en) * | 2001-04-18 | 2002-10-24 | Robert Davis | LAN based satellite antenna/satellite multiswitch |
GB0122983D0 (en) * | 2001-09-25 | 2001-11-14 | Zarlink Semiconductor Ltd | Rdio fequency tuner front end and tuner |
JP2003204278A (ja) * | 2002-01-07 | 2003-07-18 | Sharp Corp | 衛星放送受信用コンバータ |
US7401349B2 (en) * | 2002-02-26 | 2008-07-15 | Thomson Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture utilizing a frequency stabilized common oscillator |
US8418210B2 (en) | 2002-02-26 | 2013-04-09 | Thomson Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with controlled uplink transmission |
US7954127B2 (en) * | 2002-09-25 | 2011-05-31 | The Directv Group, Inc. | Direct broadcast signal distribution methods |
US7058377B1 (en) * | 2003-08-14 | 2006-06-06 | The United States Of America As Represented By The Secretary Of The Navy | Dual channel downconverter for pulsed radio frequency measurements |
JP2005295348A (ja) * | 2004-04-02 | 2005-10-20 | Sharp Corp | 受信機 |
US7900230B2 (en) * | 2005-04-01 | 2011-03-01 | The Directv Group, Inc. | Intelligent two-way switching network |
US8024759B2 (en) * | 2005-04-01 | 2011-09-20 | The Directv Group, Inc. | Backwards-compatible frequency translation module for satellite video delivery |
US8621525B2 (en) * | 2005-04-01 | 2013-12-31 | The Directv Group, Inc. | Signal injection via power supply |
US7987486B2 (en) * | 2005-04-01 | 2011-07-26 | The Directv Group, Inc. | System architecture for control and signal distribution on coaxial cable |
US7945932B2 (en) * | 2005-04-01 | 2011-05-17 | The Directv Group, Inc. | Narrow bandwidth signal delivery system |
US7950038B2 (en) * | 2005-04-01 | 2011-05-24 | The Directv Group, Inc. | Transponder tuning and mapping |
US8549565B2 (en) * | 2005-04-01 | 2013-10-01 | The Directv Group, Inc. | Power balancing signal combiner |
US7958531B2 (en) | 2005-04-01 | 2011-06-07 | The Directv Group, Inc. | Automatic level control for incoming signals of different signal strengths |
US7937732B2 (en) * | 2005-09-02 | 2011-05-03 | The Directv Group, Inc. | Network fraud prevention via registration and verification |
US8789115B2 (en) * | 2005-09-02 | 2014-07-22 | The Directv Group, Inc. | Frequency translation module discovery and configuration |
US20080016535A1 (en) * | 2005-09-02 | 2008-01-17 | The Directv Group, Inc. | Frequency shift key control in video delivery systems |
US7991348B2 (en) | 2005-10-12 | 2011-08-02 | The Directv Group, Inc. | Triple band combining approach to satellite signal distribution |
US8019275B2 (en) * | 2005-10-12 | 2011-09-13 | The Directv Group, Inc. | Band upconverter approach to KA/KU signal distribution |
US20070089142A1 (en) * | 2005-10-14 | 2007-04-19 | John Norin | Band converter approach to Ka/Ku signal distribution |
KR101316166B1 (ko) * | 2006-06-09 | 2013-10-08 | 더 디렉티브 그룹, 인크. | 다양한 포맷 비트 스트림들을 위한 프리젠테이션 모드들 |
WO2007149403A2 (en) * | 2006-06-16 | 2007-12-27 | The Directv Group, Inc. | Digital storage media command and control data indexing |
US8719875B2 (en) | 2006-11-06 | 2014-05-06 | The Directv Group, Inc. | Satellite television IP bitstream generator receiving unit |
US8712318B2 (en) | 2007-05-29 | 2014-04-29 | The Directv Group, Inc. | Integrated multi-sat LNB and frequency translation module |
US8238813B1 (en) | 2007-08-20 | 2012-08-07 | The Directv Group, Inc. | Computationally efficient design for broadcast satellite single wire and/or direct demod interface |
US9942618B2 (en) * | 2007-10-31 | 2018-04-10 | The Directv Group, Inc. | SMATV headend using IP transport stream input and method for operating the same |
BRPI1006912A2 (pt) | 2009-01-06 | 2016-02-16 | Directv Group Inc | estimação de deriva de frequência para unidade externa de baixo custo |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55121740A (en) * | 1979-03-14 | 1980-09-19 | Alps Electric Co Ltd | Television voice receiving tuner |
JPS5861547U (ja) * | 1981-10-19 | 1983-04-25 | デイエツクスアンテナ株式会社 | 衛星放送受信機 |
DE3318197C1 (de) * | 1983-05-19 | 1984-10-04 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete |
US4726072A (en) * | 1983-07-28 | 1988-02-16 | Matsushita Electric Industrial Co., Ltd. | Double converter tuner |
JPS60149227A (ja) * | 1984-01-13 | 1985-08-06 | Sony Corp | Shf受信機 |
JPS61125211A (ja) * | 1984-11-21 | 1986-06-12 | Alps Electric Co Ltd | 混合増幅回路 |
-
1988
- 1988-05-26 CA CA000567746A patent/CA1329640C/en not_active Expired - Lifetime
- 1988-05-30 EP EP88108635A patent/EP0300173B1/en not_active Expired - Lifetime
- 1988-05-30 DE DE88108635T patent/DE3883454T2/de not_active Expired - Lifetime
- 1988-05-31 KR KR1019880006479A patent/KR910003414B1/ko not_active IP Right Cessation
-
1990
- 1990-03-30 US US07/503,095 patent/US5027430A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0300173B1 (en) | 1993-08-25 |
EP0300173A3 (en) | 1989-12-06 |
US5027430A (en) | 1991-06-25 |
EP0300173A2 (en) | 1989-01-25 |
DE3883454D1 (de) | 1993-09-30 |
KR910003414B1 (ko) | 1991-05-30 |
DE3883454T2 (de) | 1994-03-24 |
CA1329640C (en) | 1994-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR890003149A (ko) | 위성방송 수신용 옥외장치 저잡음 캔버터 | |
KR900004101A (ko) | 텔레비젼 튜너 | |
KR970004389A (ko) | 더블 슈퍼 헤테로다인 수신기 | |
KR890009106A (ko) | 라디오 수신기 | |
KR880012034A (ko) | 텔레비젼 방송의 음성신호 수신용 fm 수신기 | |
KR840008095A (ko) | 대중 대역동조 시스템 | |
KR830004740A (ko) | 표면탄성파 필터 전치 증폭기 | |
KR920011093A (ko) | Fm방송 및 협대역 주파수 편이 fm라디오 신호의 가청레벨 등화기 | |
JPS5627507A (en) | Loop antenna unit | |
KR880008650A (ko) | Rf 컨버터 회로 | |
JPS6429129A (en) | Low noise converter for satellite broadcast reception | |
JPS5631235A (en) | Active antenna system | |
KR890004512A (ko) | 위성방송의 C대역 및 Ku대역겸용 저잡음주파수 변환장치 | |
KR930009276A (ko) | 와이어 밴드 lnb | |
KR860002612Y1 (ko) | Fm동조 보조회로 | |
KR820000063B1 (ko) | 튜우너 회로 | |
KR940010497A (ko) | 위성방송 수신장치 | |
KR890004555A (ko) | C/Ku밴드 겸용 위성방송 수신장치 | |
KR950022318A (ko) | 위성방송 수신장치 | |
KR910011032A (ko) | 싱글컨버젼방식을 이용한 tv 고주파신호처리 시스팀 | |
KR910009087A (ko) | 광대역 입력유선 tv콘버터회로 | |
KR970024644A (ko) | 듀얼 저잡음 변환증폭기 회로 | |
KR960019975A (ko) | 위성방송 수신용 튜너 | |
JPS57201378A (en) | Video synchronization detecting device and phase correcting device | |
EP0194468A3 (en) | Electronic selector switch for the selection and eventual damping of radio and television frequencies |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20080522 Year of fee payment: 18 |
|
EXPY | Expiration of term |