SK280889B6 - Obvod automatického riadenia zisku na prijímače číslicového televízneho signálu - Google Patents
Obvod automatického riadenia zisku na prijímače číslicového televízneho signálu Download PDFInfo
- Publication number
- SK280889B6 SK280889B6 SK933-94A SK93394A SK280889B6 SK 280889 B6 SK280889 B6 SK 280889B6 SK 93394 A SK93394 A SK 93394A SK 280889 B6 SK280889 B6 SK 280889B6
- Authority
- SK
- Slovakia
- Prior art keywords
- signal
- output
- processor
- amplitude
- gain control
- Prior art date
Links
- 238000012545 processing Methods 0.000 abstract description 10
- 230000003044 adaptive effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000004044 response Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- H04N5/52—Automatic gain control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
-
- 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
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/832,126 US5235424A (en) | 1992-02-06 | 1992-02-06 | Automatic gain control system for a high definition television signal receiver |
| PCT/US1993/000070 WO1993016553A1 (en) | 1992-02-06 | 1993-01-13 | Automatic gain control apparatus for a digital television signal receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK93394A3 SK93394A3 (en) | 1995-01-12 |
| SK280889B6 true SK280889B6 (sk) | 2000-09-12 |
Family
ID=25260761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK933-94A SK280889B6 (sk) | 1992-02-06 | 1993-01-13 | Obvod automatického riadenia zisku na prijímače číslicového televízneho signálu |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5235424A (ko) |
| EP (1) | EP0625296A1 (ko) |
| JP (1) | JP3428987B2 (ko) |
| KR (1) | KR100257475B1 (ko) |
| CN (1) | CN1073324C (ko) |
| CZ (1) | CZ281828B6 (ko) |
| MY (1) | MY108916A (ko) |
| SG (1) | SG55026A1 (ko) |
| SK (1) | SK280889B6 (ko) |
| TW (1) | TW199255B (ko) |
| WO (1) | WO1993016553A1 (ko) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90477C (fi) * | 1992-03-23 | 1994-02-10 | Nokia Mobile Phones Ltd | Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään |
| JP3264698B2 (ja) * | 1992-06-30 | 2002-03-11 | キヤノン株式会社 | 撮像装置 |
| FI93068C (fi) * | 1992-07-27 | 1995-02-10 | Nokia Mobile Phones Ltd | Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa |
| FI91579C (fi) * | 1992-08-20 | 1994-07-11 | Nokia Mobile Phones Ltd | Dekoodaus käyttäen lineaarista metriciä ja häiriön estimointia |
| US5386239A (en) * | 1993-05-03 | 1995-01-31 | Thomson Consumer Electronics, Inc. | Multiple QAM digital television signal decoder |
| JPH0775099A (ja) * | 1993-05-07 | 1995-03-17 | Philips Electron Nv | マルチプレックス直交振幅変調テレビジョン送信用送信方式、送信機及び受信機 |
| US5572264A (en) | 1994-02-14 | 1996-11-05 | Hitachi, Ltd. | High definition TV signal receiver |
| JP3371506B2 (ja) * | 1994-02-14 | 2003-01-27 | 株式会社日立製作所 | 受信装置 |
| US5469115A (en) * | 1994-04-28 | 1995-11-21 | Qualcomm Incorporated | Method and apparatus for automatic gain control in a digital receiver |
| US5461427A (en) * | 1994-06-28 | 1995-10-24 | Thomson Consumer Electronics, Inc. | Television receiver having the capability to associate any HDTV and any NTSC channel |
| US5453796A (en) * | 1994-06-28 | 1995-09-26 | Thomson Consumer Electronics, Inc. | Signal swap apparatus for a television receiver having an HDTV main picture signal processor and an NTSC Pix-in-Pix signal processor |
| US5563916A (en) * | 1995-06-05 | 1996-10-08 | Hitachi America, Ltd. | Apparatus and method for varying the slew rate of a digital automatic gain control circuit |
| FI98026C (fi) * | 1995-11-08 | 1997-03-25 | Nokia Technology Gmbh | Menetelmä QAM-vastaanottimen yhteydessä ja QAM-vastaanotin |
| US5692010A (en) * | 1996-01-17 | 1997-11-25 | Zenith Electronics Corporation | Adaptive equalizer with impulse noise protection |
| US5805241A (en) * | 1996-05-21 | 1998-09-08 | Samsung Electronics Co., Ltd. | Noise-immune automatic gain control for QAM radio receivers |
| JP3442262B2 (ja) * | 1996-06-07 | 2003-09-02 | シャープ株式会社 | ベースバンド信号歪に応答するａｇｃシステム |
| US6064702A (en) * | 1996-07-19 | 2000-05-16 | Kye Systems Corp. | Four-stage phase demodulation low frequency wireless mouse device |
| KR100442232B1 (ko) * | 1997-08-28 | 2004-09-18 | 엘지전자 주식회사 | 에이치디티브이의 자동이득 조절장치 |
| US6377312B1 (en) * | 1998-08-24 | 2002-04-23 | Samsung Electronics Co., Ltd. | Adaptive fractionally spaced equalizer for received radio transmissions with digital content, such as DTV signals |
| US6438164B2 (en) | 1998-11-03 | 2002-08-20 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
| DE69920737T2 (de) | 1998-11-03 | 2005-10-13 | Broadcom Corp., Irvine | Qam/vsb zweimodenempfänger |
| US6219088B1 (en) | 1998-11-03 | 2001-04-17 | Broadcom Corporation | NTSC interference rejection filter |
| US6775334B1 (en) | 1998-11-03 | 2004-08-10 | Broadcom Corporation | Equalization and decision-directed loops with trellis demodulation in high definition TV |
| US6226323B1 (en) | 1998-11-03 | 2001-05-01 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
| US6842495B1 (en) | 1998-11-03 | 2005-01-11 | Broadcom Corporation | Dual mode QAM/VSB receiver |
| US6567118B1 (en) | 2000-10-27 | 2003-05-20 | Scientific-Atlanta, Inc. | Frequency agile adaptive automatic gain control circuit |
| US7133657B2 (en) * | 2002-09-26 | 2006-11-07 | Agere Systems Inc. | Channel calibrator for use with a quadrature mixing receiver and a method of operation thereof |
| US7386074B1 (en) * | 2003-10-06 | 2008-06-10 | Redpine Signals, Inc. | Digital automatic gain control method and apparatus |
| CN100462727C (zh) * | 2004-02-24 | 2009-02-18 | 博计电子股份有限公司 | 适用任意交流信号波形的交流电子负载模拟装置 |
| US7787850B2 (en) * | 2007-09-05 | 2010-08-31 | Broadcom Corporation | Multi-input multi-output transceiver with power consumption management based on receiver parameter and method for use therewith |
| EP2045916B1 (en) * | 2007-10-01 | 2014-12-17 | JDS Uniphase Corporation | Automatic gain control stress measurement for digital carriers |
| CN101600070B (zh) * | 2008-06-05 | 2011-01-19 | 联咏科技股份有限公司 | 视频信号调节电路 |
| CN102638663A (zh) * | 2012-03-30 | 2012-08-15 | 深圳创维－Rgb电子有限公司 | 数字电视重复频道自动跳台设置方法和装置 |
| CN104382596B (zh) * | 2014-12-09 | 2017-03-08 | 北京银河润泰科技有限公司 | 对肌电采集设备进行自检的装置、方法及肌电采集设备 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60145713A (ja) * | 1984-01-10 | 1985-08-01 | Fujitsu Ltd | 自動利得制御方式 |
| US4602374A (en) * | 1984-02-27 | 1986-07-22 | Nippon Telegraph & Telephone Public Corporation | Multi-level decision circuit |
| US4551688A (en) * | 1984-05-23 | 1985-11-05 | Rockwell International Corporation | Delay compensated automatic gain control |
| US4718086A (en) * | 1986-03-27 | 1988-01-05 | Rca Corporation | AGC in sound channel of system for processing a scrambled video signal |
| US4761687A (en) * | 1987-05-06 | 1988-08-02 | Rca Licensing Corporation | Automatic gain control delay circuit for a video signal processor |
| US5043805A (en) * | 1988-04-04 | 1991-08-27 | Zenith Electronics Corporation | TV signal transmission systems and methods |
| US4989074A (en) * | 1988-09-27 | 1991-01-29 | Matsushita Electric Industrial Co., Ltd. | Digital automatic gain control apparatus |
| US5134464A (en) * | 1990-11-16 | 1992-07-28 | North American Philips Corporation | Method and apparatus for the transmission and reception of a multicarrier digital television signal |
| US5083304A (en) * | 1990-09-28 | 1992-01-21 | Motorola, Inc. | Automatic gain control apparatus and method |
| US5287180A (en) * | 1991-02-04 | 1994-02-15 | General Electric Company | Modulator/demodulater for compatible high definition television system |
-
1992
- 1992-02-06 US US07/832,126 patent/US5235424A/en not_active Expired - Lifetime
- 1992-10-09 TW TW081108030A patent/TW199255B/zh not_active IP Right Cessation
-
1993
- 1993-01-13 JP JP51405193A patent/JP3428987B2/ja not_active Expired - Lifetime
- 1993-01-13 SG SG1996002675A patent/SG55026A1/en unknown
- 1993-01-13 SK SK933-94A patent/SK280889B6/sk not_active IP Right Cessation
- 1993-01-13 KR KR1019940702682A patent/KR100257475B1/ko not_active IP Right Cessation
- 1993-01-13 CZ CZ941860A patent/CZ281828B6/cs not_active IP Right Cessation
- 1993-01-13 EP EP93902949A patent/EP0625296A1/en not_active Ceased
- 1993-01-13 WO PCT/US1993/000070 patent/WO1993016553A1/en not_active Application Discontinuation
- 1993-01-27 MY MYPI93000122A patent/MY108916A/en unknown
- 1993-02-05 CN CN93101507A patent/CN1073324C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1073324C (zh) | 2001-10-17 |
| US5235424A (en) | 1993-08-10 |
| CZ186094A3 (en) | 1994-12-15 |
| CN1075583A (zh) | 1993-08-25 |
| SK93394A3 (en) | 1995-01-12 |
| JPH07503828A (ja) | 1995-04-20 |
| MY108916A (en) | 1996-11-30 |
| KR950700664A (ko) | 1995-01-16 |
| JP3428987B2 (ja) | 2003-07-22 |
| TW199255B (en) | 1993-02-01 |
| SG55026A1 (en) | 1998-12-21 |
| WO1993016553A1 (en) | 1993-08-19 |
| CZ281828B6 (cs) | 1997-02-12 |
| EP0625296A1 (en) | 1994-11-23 |
| KR100257475B1 (ko) | 2000-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK4A | Expiry of patent |
Expiry date: 20130113 |