KR970055688A - 위성방송수신튜너 - Google Patents
위성방송수신튜너 Download PDFInfo
- Publication number
- KR970055688A KR970055688A KR1019960061346A KR19960061346A KR970055688A KR 970055688 A KR970055688 A KR 970055688A KR 1019960061346 A KR1019960061346 A KR 1019960061346A KR 19960061346 A KR19960061346 A KR 19960061346A KR 970055688 A KR970055688 A KR 970055688A
- Authority
- KR
- South Korea
- Prior art keywords
- variable
- band pass
- pass filter
- satellite broadcast
- tuning
- 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
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
- H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
- H04B1/0082—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
- H04B1/0089—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
- H04B1/0092—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
-
- 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
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Noise Elimination (AREA)
- Filters And Equalizers (AREA)
- Radio Relay Systems (AREA)
Abstract
주파수 480MHz근방의 방해파성분을 충분히 감쇠제거할 수 있고, 고역측주파수에 대한 동조를 간단하게 행할 수 있는 밴드패스필터(1)를 구비한 위성방송수신튜너를 제공한다.
적어도 다운컨버트된 위성방송수신신호를 전송하는 밴드패스필터(1)와, 밴드패스필터(1)를 통과한 위성방송수신신호를 중간주파수로 변환하는 주파수변환부를 구비하고, 밴드패스필터(1)는 직렬접속의 인덕터(2, 3)와, 분로접속의 가변용량소자(7)로 이루어지는 제 1가변동조회로 및 직렬접속의 인덕터(4, 5)와, 분로접속의 가변용량소자(9)로 이루어지는 제 2가변동조회로의 종속접속회로 및 제 1 및 제 2가변동조회로의 접속점에 분로접속되어 중간주파수를 선택감쇠시키는 트랩소자(6)에 의하여 구성된다. 그리고 트랩소자(6)는 칩콘덴서이며, 인덕터(2 내지 5)는 스트립라인이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도 5는 공지의 BS튜너구성의 일예를 나타내는 블록구성도,
Claims (7)
- 적어도 다운컨버트된 위성방송수신신호를 전송하는 밴드패스필터와, 상기 밴드패스필터를 통과한 위성방송수신신호를 중간주파수로 변환하는 주파수변환부를 구비하고, 상기 밴드패스필터는 종속(從續) 접속되는 두 개의 가변동조회로와, 상기 두 개의 가변동조회로의 접속점에 접속되어 상기 중간주파수를 선택감쇠시키는 트랩소자로 이루어지는 것을 특징으로 하는 위성방송수신튜너.
- 제 1항에 있어서, 상기 두 개의 가변동조회로는 전압제어가변용량다이오드를 포함하는 가변주파수밴드패스필터인 것을 특징으로 하는 위성방송수신튜너.
- 제 2항에 있어서, 상기 두 개의 가변동조회로는 각각 직렬접속된 제 1 및 제 2스트립라인과, 상기 제 1 및 제 2스트립라인의 접속점과 기준전위점간에 분로접속된 전압제어가변용량다이오드를 구비하는 것을 특징으로 하는 위성방송수신튜너.
- 제 3항에 있어서, 상기 전압제어가변용량다이오드는 상기 제 1스트립라인 또는 상기 제 2스트립라인을 거쳐 공급되는 동조제어전압에 의하여 용량이 가변되는 것을 특징으로 하는 위성방송수신튜너.
- 제 1항에 있어서, 상기 두 개의 가변동조회로는 각각 직렬접속된 제 1 및 제 2스트립라인과, 상기 제 1 및 제 2스트립라인의 접속점과 기준전위점간에 분로접속된 전압제어가변용량다이오드를 구비하는 것을 특징으로 하는 위성방송수신튜너.
- 제 3항에 있어서, 상기 전압제어가변용량다이오드는 상기 제 1스트립라인 또는 상기 제 2스트립라인을 거쳐 공급되는 동조제어전압에 의하여 용량이 가변되는 것을 특징으로 하는 위성방송수신튜너.
- 제 1항에 있어서, 상기 트랩소자는 칩콘덴서인 것을 특징으로 하는 위성방송수신튜너.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7315314A JPH09162766A (ja) | 1995-12-04 | 1995-12-04 | 衛星放送受信チューナ |
JP7-315314 | 1995-12-04 | ||
JP95-344149 | 1995-12-28 | ||
KR95-61662 | 1995-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970055688A true KR970055688A (ko) | 1997-07-31 |
KR100201479B1 KR100201479B1 (ko) | 1999-06-15 |
Family
ID=18063916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960061346A KR100201479B1 (ko) | 1995-12-04 | 1996-12-03 | 위성방송 수신튜너 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5963842A (ko) |
JP (1) | JPH09162766A (ko) |
KR (1) | KR100201479B1 (ko) |
DE (1) | DE19650096C2 (ko) |
TW (1) | TW351874B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6208388B1 (en) * | 1997-10-18 | 2001-03-27 | Lucent Technologies, Inc. | Channel responsive television input signal interface circuit and method |
WO2000062462A2 (en) * | 1999-04-09 | 2000-10-19 | Sony Electronics, Inc. | Method for switching signal input based on device capability |
US6757025B1 (en) | 1999-04-09 | 2004-06-29 | Sony Corporation | Method for switching input terminals based on incoming signal format |
US6731347B1 (en) * | 1999-04-09 | 2004-05-04 | Sony Corporation | Method for switching signal input based on device capability |
US6826776B1 (en) | 1999-04-09 | 2004-11-30 | Sony Corporation | Method and apparatus for determining signal path |
US6976267B1 (en) | 1999-04-09 | 2005-12-13 | Sony Corporation | Method and apparatus for controlling connections between devices |
JP3490023B2 (ja) * | 1999-04-20 | 2004-01-26 | アルプス電気株式会社 | テレビジョン信号受信チューナ |
JP3600075B2 (ja) * | 1999-07-29 | 2004-12-08 | アルプス電気株式会社 | テレビジョンチューナ |
US6566971B1 (en) * | 2000-02-24 | 2003-05-20 | Broadcom Corporation | Method and circuitry for implementing a differentially tuned varactor-inductor oscillator |
US6738612B1 (en) * | 2000-04-06 | 2004-05-18 | International Business Machines Corporation | Image trap filter |
JP3713415B2 (ja) | 2000-04-13 | 2005-11-09 | アルプス電気株式会社 | テレビジョン信号送信機 |
US6504443B1 (en) * | 2000-05-17 | 2003-01-07 | Nec America, Inc., | Common anode varactor tuned LC circuit |
US6850747B1 (en) * | 2000-06-30 | 2005-02-01 | International Business Machines Corporation | Image trap filter |
GB2367700A (en) * | 2000-10-06 | 2002-04-10 | Mitel Semiconductor Ltd | A single conversion tuner comprising a tracking filter and an image reject mixer |
KR100560000B1 (ko) | 2004-07-15 | 2006-03-13 | 세리플랫폼 주식회사 | 위성방송튜너회로 |
JP4674103B2 (ja) * | 2005-03-15 | 2011-04-20 | 富士通セミコンダクター株式会社 | 受信装置及び受信信号の処理方法 |
CN101777882B (zh) * | 2010-02-03 | 2012-05-23 | 电子科技大学 | X波段三位mems可调带通滤波器 |
KR101693853B1 (ko) * | 2010-06-03 | 2017-01-17 | 엘지이노텍 주식회사 | 튜너의 동조 회로 |
US11183974B2 (en) * | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
Family Cites Families (25)
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US431909A (en) * | 1890-07-08 | Orge ferry mitoiikll of newark | ||
US2308258A (en) * | 1939-10-05 | 1943-01-12 | Rca Corp | Band-pass filter circuits |
US4614925A (en) * | 1983-07-05 | 1986-09-30 | Matsushita Electric Industrial Co., Ltd. | Resonator filters on dielectric substrates |
FI67980C (fi) * | 1983-10-13 | 1985-06-10 | Salora Oy | Koppling foer ett foer mikrovaogsfrekvenser avstaembart filtersamt foerverkligande av densamma |
JPS6187408A (ja) * | 1984-10-03 | 1986-05-02 | Dx Antenna Co Ltd | 複合フイルタ回路 |
GB2168864A (en) * | 1984-12-19 | 1986-06-25 | Philips Electronic Associated | Radio receiver/transmitter filters |
US4601062A (en) * | 1985-02-28 | 1986-07-15 | Rca Corporation | Tracking image frequency trap |
US4662001A (en) * | 1985-08-15 | 1987-04-28 | Zenith Electronics Corporation | Tunable notch filter for image frequency and conducted local oscillator leakage rejection |
US4718117A (en) * | 1985-10-30 | 1988-01-05 | Capetronic (Bsr) Ltd. | TVRO receiver system with low-cost video-noise reduction filter |
US4663694A (en) * | 1986-01-13 | 1987-05-05 | Murata Manufacturing Co., Ltd | Chip capacitor |
KR920002046B1 (ko) * | 1987-01-20 | 1992-03-10 | 마쯔시다덴기산교 가부시기가이샤 | 수신장치 |
US4905306A (en) * | 1988-02-26 | 1990-02-27 | Rca Licensing Corporation | Filter switching arrangement for a tuner |
US5060297A (en) * | 1988-04-04 | 1991-10-22 | Ma John Y | TVRO receiver system with tracking filter for rejection of image frequencies |
US4835608A (en) * | 1988-05-31 | 1989-05-30 | Zenith Electronics Corporation | Image trap filter circuit |
JPH0619102Y2 (ja) * | 1988-09-22 | 1994-05-18 | 日本電子株式会社 | Nmrプローブ |
JPH02146801A (ja) * | 1988-11-28 | 1990-06-06 | Fujitsu Ltd | 中心周波数可変帯域通過フィルタ |
FR2653615B1 (fr) * | 1989-10-19 | 1995-06-09 | France Etat | Cellule de filtrage et filtre correspondant. |
US5159711A (en) * | 1990-01-24 | 1992-10-27 | Astec International Limited | Interference filter with high degree of selectivity for tvro receiver system |
US5222106A (en) * | 1990-02-07 | 1993-06-22 | Kokusai Denshin Denwa Kabushiki Kaisha | Interference detection and reduction |
WO1992012546A1 (en) * | 1990-12-26 | 1992-07-23 | Ube Industries, Ltd. | Dielectric filter |
JPH04373279A (ja) * | 1991-06-21 | 1992-12-25 | Sony Corp | 受信装置 |
US5276398A (en) * | 1992-06-01 | 1994-01-04 | Conductus, Inc. | Superconducting magnetic resonance probe coil |
US5377272A (en) * | 1992-08-28 | 1994-12-27 | Thomson Consumer Electronics, Inc. | Switched signal processing circuit |
US5428828A (en) * | 1992-08-28 | 1995-06-27 | Thomson Consumer Electronics, Inc. | Television receiver tuning circuit |
US5715531A (en) * | 1995-11-20 | 1998-02-03 | Nextlevel Systems (Taiwan), Ltd. | Synchronous tracking filter circuit for a broadcast satellite tuner |
-
1995
- 1995-12-04 JP JP7315314A patent/JPH09162766A/ja active Pending
-
1996
- 1996-11-23 TW TW085114467A patent/TW351874B/zh active
- 1996-11-25 US US08/758,133 patent/US5963842A/en not_active Expired - Fee Related
- 1996-12-03 DE DE19650096A patent/DE19650096C2/de not_active Expired - Fee Related
- 1996-12-03 KR KR1019960061346A patent/KR100201479B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW351874B (en) | 1999-02-01 |
US5963842A (en) | 1999-10-05 |
DE19650096C2 (de) | 2003-08-14 |
KR100201479B1 (ko) | 1999-06-15 |
DE19650096A1 (de) | 1997-06-05 |
JPH09162766A (ja) | 1997-06-20 |
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