JP2010535457A - ケーブル、衛星および放送用チューナ - Google Patents
ケーブル、衛星および放送用チューナ Download PDFInfo
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- JP2010535457A JP2010535457A JP2010519257A JP2010519257A JP2010535457A JP 2010535457 A JP2010535457 A JP 2010535457A JP 2010519257 A JP2010519257 A JP 2010519257A JP 2010519257 A JP2010519257 A JP 2010519257A JP 2010535457 A JP2010535457 A JP 2010535457A
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- 238000012545 processing Methods 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- 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
- H04N5/455—Demodulation-circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
【選択図】 図3
Description
Claims (18)
- 少なくとも1つのミキサと、
前記少なくとも1つのミキサの出力信号に応じる少なくとも1つのフィルタと、
前記少なくとも1つのフィルタの出力に応じる少なくとも1つの可変ゲインステージと、
前記少なくとも1つの可変ゲインステージによって生成されたアナログ信号をデジタル信号に変換する少なくとも1つのAD変換器と、
前記AD変換器に応じるベースバンドプロセッサと
を備え、
前記ベースバンドプロセッサは、集積回路の外部の処理ユニットによって復調される信号を供給する、集積回路。 - 前記ベースバンドプロセッサの出力信号に応じるデジタルインターフェースをさらに備える請求項1に記載の集積回路。
- 前記処理ユニットが中央処理装置である請求項2に記載の集積回路。
- 前記処理ユニットが画像処理装置である請求項2に記載の集積回路。
- 前記処理ユニットが必要な復調動作のセットの全てを実行する請求項1に記載の集積回路。
- 少なくとも1つのミキサと、
前記少なくとも1つのミキサの出力信号に応じる少なくとも1つのフィルタと、
前記少なくとも1つのフィルタの出力に応じる少なくとも1つの可変ゲインステージと、
前記少なくとも1つの可変ゲインステージによって生成されたアナログ信号をデジタル信号に変換する少なくとも1つのAD変換器と、
前記AD変換器に応じ、復調される信号を供給する少なくとも1つのベースバンドプロセッサと、
前記ベースバンドプロセッサの出力信号に応じるデジタルインターフェースと、
ホストシステム上に存在し、前記デジタルインターフェースによって供給された信号に対して第1の複数の復調動作を実行する処理ユニットと
を備える、システム。 - 前記処理ユニットが中央処理装置である請求項6に記載のチューナ。
- 前記処理ユニットが画像処理装置である請求項6に記載のチューナ。
- 前記処理ユニットがさらに第2の複数の復調動作をさらに実行する請求項6に記載のチューナ。
- 前記第1の複数の復調動作が一連の復調動作の全てを含む、請求項6に記載のチューナ。
- 受信したRF信号を処理する方法であって、
前記RF信号から中間周波数のアナログ信号を生成する段階と、
前記アナログ信号をフィルタする段階と、
前記フィルタされたアナログ信号のゲインを制御する段階と、
前記フィルタされてゲインが制御されたアナログ信号をデジタル信号に変換する段階と、
前記デジタル信号にベースバンド信号処理を実行する段階と
を備え、
前記ベースバンド信号処理は復調動作の一部を含むかあるいは復調動作を全く含まない、方法。 - ホストプロセッサを用いて前記ベースバンド処理された信号に第1の複数の復調動作を実行する段階をさらに備える請求項11に記載の方法。
- 前記ホストプロセッサを用いて前記ベースバンド処理された信号に第2の複数の復調動作を実行する段階をさらに備える請求項12に記載の方法。
- 前記ベースバンド信号処理を実行する段階は復調動作を含まず、前記第1の複数の復調動作が復調動作のセットの全てを含む請求項12に記載のチューナー復調システム。
- 前記プロセッサが中央処理装置である請求項12に記載の方法。
- 前記プロセッサが画像処理装置である請求項12に記載の方法。
- USBインターフェースを介して前記ベースバンド処理済の信号を前記ホストプロセッサに供給する段階をさらに備える請求項12に記載の方法。
- PCI Expressインターフェースを介して前記ベースバンド処理済の信号を前記ホストプロセッサに供給する段階をさらに備える請求項12に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95364507P | 2007-08-02 | 2007-08-02 | |
PCT/US2008/072013 WO2009035790A1 (en) | 2007-08-02 | 2008-08-01 | Tuner for cable, satellite and broadcast applications |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2010535457A true JP2010535457A (ja) | 2010-11-18 |
Family
ID=40346127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010519257A Pending JP2010535457A (ja) | 2007-08-02 | 2008-08-01 | ケーブル、衛星および放送用チューナ |
Country Status (7)
Country | Link |
---|---|
US (1) | US8373804B2 (ja) |
EP (1) | EP2183854A1 (ja) |
JP (1) | JP2010535457A (ja) |
KR (1) | KR20100031779A (ja) |
CN (1) | CN101855834A (ja) |
TW (1) | TW200926801A (ja) |
WO (1) | WO2009035790A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100031779A (ko) | 2007-08-02 | 2010-03-24 | 맥스리니어 인코포레이티드 | 케이블, 위성 및 공중파 방송 장치를 위한 튜너 |
US9020073B2 (en) * | 2007-10-23 | 2015-04-28 | Intel Mobile Communications GmbH | Low intermediate frequency receiver |
US20100110305A1 (en) * | 2008-11-06 | 2010-05-06 | Softasic, Inc. | Method and Apparatus for Processing Multiple Broadcasting Signal Standards in a Broadcasting Signal Receiver System |
US8416899B2 (en) * | 2009-12-07 | 2013-04-09 | Csr Technology Inc. | Multimode filter architecture |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040038649A1 (en) * | 2002-08-26 | 2004-02-26 | Qiang Lin | Zero intermediate frequency to low intermediate frequency receiver architecture |
JP2006060673A (ja) * | 2004-08-23 | 2006-03-02 | Renesas Technology Corp | A/d変換回路を内蔵した通信用半導体集積回路 |
US20060122814A1 (en) * | 2004-12-03 | 2006-06-08 | Beens Jason A | Method and apparatus for digital signal processing analysis and development |
JP2007036383A (ja) * | 2005-07-22 | 2007-02-08 | Handotai Rikougaku Kenkyu Center:Kk | バンドパスδσad変調器及びデジタル無線受信機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5375146A (en) * | 1993-05-06 | 1994-12-20 | Comsat Corporation | Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters |
US7599673B2 (en) * | 2003-04-14 | 2009-10-06 | Silicon Laboratories, Inc. | Receiver architectures utilizing coarse analog tuning and associated methods |
US7450185B2 (en) * | 2004-10-28 | 2008-11-11 | Industrial Technology Research Institute | Fully integrated tuner circuit architecture for a television system |
US7577414B2 (en) * | 2005-01-27 | 2009-08-18 | Analog Devices, Inc. | Methods and apparatus for automatic gain control in broadband tuners |
US7602859B2 (en) * | 2005-04-28 | 2009-10-13 | Intel Corporation | Calibrating integrating receivers for source synchronous protocol |
JP2008042765A (ja) * | 2006-08-09 | 2008-02-21 | Sharp Corp | 受信システム |
US7643600B2 (en) * | 2006-11-30 | 2010-01-05 | Silicon Laboratories, Inc. | Techniques for performing gain and phase correction in a complex radio frequency receiver |
US7939575B2 (en) | 2007-02-23 | 2011-05-10 | Dentsply International, Inc. | Methods for making dental restorations using two-phase light-curing materials |
KR20100031779A (ko) | 2007-08-02 | 2010-03-24 | 맥스리니어 인코포레이티드 | 케이블, 위성 및 공중파 방송 장치를 위한 튜너 |
-
2008
- 2008-08-01 KR KR1020107003395A patent/KR20100031779A/ko not_active Application Discontinuation
- 2008-08-01 EP EP08830954A patent/EP2183854A1/en not_active Withdrawn
- 2008-08-01 JP JP2010519257A patent/JP2010535457A/ja active Pending
- 2008-08-01 WO PCT/US2008/072013 patent/WO2009035790A1/en active Application Filing
- 2008-08-01 CN CN200880101676A patent/CN101855834A/zh active Pending
- 2008-08-01 US US12/184,652 patent/US8373804B2/en active Active
- 2008-08-04 TW TW097129499A patent/TW200926801A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040038649A1 (en) * | 2002-08-26 | 2004-02-26 | Qiang Lin | Zero intermediate frequency to low intermediate frequency receiver architecture |
JP2006060673A (ja) * | 2004-08-23 | 2006-03-02 | Renesas Technology Corp | A/d変換回路を内蔵した通信用半導体集積回路 |
US20060122814A1 (en) * | 2004-12-03 | 2006-06-08 | Beens Jason A | Method and apparatus for digital signal processing analysis and development |
JP2007036383A (ja) * | 2005-07-22 | 2007-02-08 | Handotai Rikougaku Kenkyu Center:Kk | バンドパスδσad変調器及びデジタル無線受信機 |
Also Published As
Publication number | Publication date |
---|---|
EP2183854A1 (en) | 2010-05-12 |
KR20100031779A (ko) | 2010-03-24 |
CN101855834A (zh) | 2010-10-06 |
US20090040391A1 (en) | 2009-02-12 |
TW200926801A (en) | 2009-06-16 |
US8373804B2 (en) | 2013-02-12 |
WO2009035790A1 (en) | 2009-03-19 |
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