SG71906A1 - Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver - Google Patents

Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver

Info

Publication number
SG71906A1
SG71906A1 SG1999000321A SG1999000321A SG71906A1 SG 71906 A1 SG71906 A1 SG 71906A1 SG 1999000321 A SG1999000321 A SG 1999000321A SG 1999000321 A SG1999000321 A SG 1999000321A SG 71906 A1 SG71906 A1 SG 71906A1
Authority
SG
Singapore
Prior art keywords
qam
vsb
synchrodyning
receiver
signals supplied
Prior art date
Application number
SG1999000321A
Other languages
English (en)
Inventor
Allen Leroy Limberg
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 SG71906A1 publication Critical patent/SG71906A1/en

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)
SG1999000321A 1998-02-20 1999-02-02 Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver SG71906A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG71906A1 true SG71906A1 (en) 2000-04-18

Family

ID=22125647

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1999000321A SG71906A1 (en) 1998-02-20 1999-02-02 Synchrodyning of VSB and QAM final I-F signals supplied by separate converters in a QAM/VSB digital TV receiver

Country Status (10)

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

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
TR200002396T2 (tr) 2000-11-21
JPH11331301A (ja) 1999-11-30
AU714240B2 (en) 1999-12-23
US6104763A (en) 2000-08-15
BR9900784A (pt) 2000-01-04
CA2262329A1 (fr) 1999-08-20
KR100285432B1 (ko) 2001-03-15
CN1233912A (zh) 1999-11-03
AU1470899A (en) 1999-09-02
CA2262329C (fr) 2002-05-07
KR19990072647A (ko) 1999-09-27
AR014632A1 (es) 2001-03-28
CN1141836C (zh) 2004-03-10

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