AR014632A1 - Un radio receptor para recibir una senal de television digital selaccionada - Google Patents

Un radio receptor para recibir una senal de television digital selaccionada

Info

Publication number
AR014632A1
AR014632A1 ARP990100702A ARP990100702A AR014632A1 AR 014632 A1 AR014632 A1 AR 014632A1 AR P990100702 A ARP990100702 A AR P990100702A AR P990100702 A ARP990100702 A AR P990100702A AR 014632 A1 AR014632 A1 AR 014632A1
Authority
AR
Argentina
Prior art keywords
vsb
signals
modulation
qam
digital television
Prior art date
Application number
ARP990100702A
Other languages
English (en)
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of AR014632A1 publication Critical patent/AR014632A1/es

Links

Classifications

    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detergent Compositions (AREA)

Abstract

Un receptor de television digital (DTV) de QAM/VSB del tipo de conversion multiple que utiliza los mismos circuitos hasta un penultimo amplificador defrecuencia intermedia para recibir senales de DTV, ya sea que éstas utilicen modulacion de QAMo VSB. El conversor utilizado para generar senales defrecuencia intermedia final cuando se recibe la modulaci[on de QAM y el conversor utilizado para generar las senalescuando se recibe la modulacion de VSB se tienen respectivos mezcladores yresp ectivos osciladoreslocales con control automático de frecuencia y fase separados. El uso de estos conversores separados evite el bloque de la modalidad de recepcion de VSB que,de lo contrario, se puede producir durante la recepcion de senalesde DT V con modulacion de VSB.
ARP990100702A 1998-02-20 1999-02-23 Un radio receptor para recibir una senal de television digital selaccionada AR014632A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7542398P 1998-02-20 1998-02-20

Publications (1)

Publication Number Publication Date
AR014632A1 true AR014632A1 (es) 2001-03-28

Family

ID=22125647

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990100702A AR014632A1 (es) 1998-02-20 1999-02-23 Un radio receptor para recibir una senal de television digital selaccionada

Country Status (10)

Country Link
US (1) US6104763A (es)
JP (1) JPH11331301A (es)
KR (1) KR100285432B1 (es)
CN (1) CN1141836C (es)
AR (1) AR014632A1 (es)
AU (1) AU714240B2 (es)
BR (1) BR9900784A (es)
CA (1) CA2262329C (es)
SG (1) SG71906A1 (es)
TR (1) TR200002396T2 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100263036B1 (ko) * 1996-11-20 2000-08-01 김영환 디지탈 케이블티브이 시스템의 원격제어장치
US6333767B1 (en) * 1996-12-26 2001-12-25 Samsung Electronics Co., Ltd. Radio receivers for receiving both VSB and QAM digital television signals with carriers offset by 2.69 MHz
US5982820A (en) * 1997-07-10 1999-11-09 Samsung Electronics Co., Ltd. Bandpass phase tracker with hilbert transformation before plural-phase analog-to-digital conversion
KR100314113B1 (ko) * 1999-08-25 2001-11-15 구자홍 정합 필터 및 필터링방법, 이를 이용한 다매체 디지털 방송수신 장치
KR100348259B1 (ko) * 1999-12-21 2002-08-09 엘지전자 주식회사 잔류측파대 수신기
JP3540242B2 (ja) 2000-03-30 2004-07-07 松下電器産業株式会社 多方式対応受信装置
KR100379392B1 (ko) * 2000-08-07 2003-04-10 엘지전자 주식회사 반송파 복구 장치
KR101221914B1 (ko) * 2007-04-06 2013-01-15 엘지전자 주식회사 디지털 방송 신호 송신 장치 및 방법
CN102195666A (zh) * 2011-04-14 2011-09-21 西安烽火电子科技有限责任公司 Vhf、uhf频段宽带高速数据传输平台
CN103067331B (zh) * 2012-12-12 2015-05-20 华中科技大学 一种qam光矢量信号产生及远程外差探测装置
RU181253U1 (ru) * 2017-11-13 2018-07-06 Федеральное государственное бюджетное учреждение науки Институт прикладной астрономии Российской академии наук (ИПА РАН) Цифровой гетеродин на программируемой логической интегральной схеме
DE102019131216B3 (de) * 2019-11-19 2021-05-06 Endress+Hauser Flowtec Ag Puls-Amplituden-Modulations-Transceiver, Feldgerät und Verfahren zum Betreiben des Puls-Amplituden-Modulations-Transceivers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597205A (en) * 1984-05-04 1986-07-01 Guest William H Snow plow clamp assembly
US5715012A (en) * 1996-03-13 1998-02-03 Samsung Electronics Co., Ltd. Radio receivers for receiving both VSB and QAM digital HDTV signals
US5506636A (en) * 1994-06-28 1996-04-09 Samsung Electronics Co., Ltd. HDTV signal receiver with imaginary-sample-presence detector for QAM/VSB mode selection
US5966188A (en) * 1996-12-26 1999-10-12 Samsung Electronics Co., Ltd. Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers
US5982820A (en) * 1997-07-10 1999-11-09 Samsung Electronics Co., Ltd. Bandpass phase tracker with hilbert transformation before plural-phase analog-to-digital conversion

Also Published As

Publication number Publication date
AU714240B2 (en) 1999-12-23
CN1141836C (zh) 2004-03-10
US6104763A (en) 2000-08-15
CN1233912A (zh) 1999-11-03
KR19990072647A (ko) 1999-09-27
CA2262329C (en) 2002-05-07
TR200002396T2 (tr) 2000-11-21
AU1470899A (en) 1999-09-02
KR100285432B1 (ko) 2001-03-15
BR9900784A (pt) 2000-01-04
CA2262329A1 (en) 1999-08-20
JPH11331301A (ja) 1999-11-30
SG71906A1 (en) 2000-04-18

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Legal Events

Date Code Title Description
FG Grant, registration