KR830002467B1 - 이퀄라이저 - Google Patents

이퀄라이저 Download PDF

Info

Publication number
KR830002467B1
KR830002467B1 KR1019800003635A KR800003635A KR830002467B1 KR 830002467 B1 KR830002467 B1 KR 830002467B1 KR 1019800003635 A KR1019800003635 A KR 1019800003635A KR 800003635 A KR800003635 A KR 800003635A KR 830002467 B1 KR830002467 B1 KR 830002467B1
Authority
KR
South Korea
Prior art keywords
signal
multiplier
correlator
output
added
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
KR1019800003635A
Other languages
English (en)
Korean (ko)
Other versions
KR830003980A (ko
Inventor
패트릭 애쉬 크리스토퍼
Original Assignee
플레세이 오우버시이스 리미티드
로날드 니콜슨
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 플레세이 오우버시이스 리미티드, 로날드 니콜슨 filed Critical 플레세이 오우버시이스 리미티드
Publication of KR830003980A publication Critical patent/KR830003980A/ko
Application granted granted Critical
Publication of KR830002467B1 publication Critical patent/KR830002467B1/ko
Expired legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H15/00Transversal filters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Amplifiers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Circuits Of Receivers In General (AREA)
  • Inorganic Insulating Materials (AREA)
  • Dc Digital Transmission (AREA)
  • Networks Using Active Elements (AREA)
  • Optical Communication System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1019800003635A 1979-09-19 1980-09-16 이퀄라이저 Expired KR830002467B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7932403 1979-09-19
GB79/32403 1979-09-19

Publications (2)

Publication Number Publication Date
KR830003980A KR830003980A (ko) 1983-06-30
KR830002467B1 true KR830002467B1 (ko) 1983-10-26

Family

ID=10507922

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019800003635A Expired KR830002467B1 (ko) 1979-09-19 1980-09-16 이퀄라이저

Country Status (16)

Country Link
US (1) US4347615A (enExample)
EP (1) EP0026065B1 (enExample)
JP (1) JPS5654116A (enExample)
KR (1) KR830002467B1 (enExample)
AT (1) ATE5556T1 (enExample)
AU (1) AU532416B2 (enExample)
CA (1) CA1148224A (enExample)
DE (1) DE3065833D1 (enExample)
DK (1) DK149360C (enExample)
ES (1) ES495155A0 (enExample)
HK (1) HK77384A (enExample)
IE (1) IE50794B1 (enExample)
NO (1) NO148168C (enExample)
PT (1) PT71796B (enExample)
SG (1) SG43884G (enExample)
ZA (1) ZA805543B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159376B (en) * 1984-05-22 1987-08-26 Emi Ltd An echo cancelling system
GB8423017D0 (en) * 1984-09-12 1984-10-17 Plessey Co Plc Echo canceller
AR241298A1 (es) * 1985-10-03 1992-04-30 Siemens Ag Ecualizador transversal adaptivo .
US4726036A (en) * 1987-03-26 1988-02-16 Unisys Corporation Digital adaptive filter for a high throughput digital adaptive processor
JPH01295529A (ja) * 1988-05-23 1989-11-29 Nec Corp 切り替え式クロックを有する集積回路
US4964118A (en) * 1988-10-24 1990-10-16 Northern Telecom Limited Apparatus and method for echo cancellation
JPH0453309A (ja) * 1990-06-21 1992-02-20 Nec Home Electron Ltd クロック切換回路
US5493343A (en) * 1994-12-28 1996-02-20 Thomson Consumer Electronics, Inc. Compensation for truncation error in a digital video signal decoder
US20030202612A1 (en) * 2001-12-18 2003-10-30 Bijit Halder Method and system for rate enhanced SHDSL

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH505510A (de) * 1969-08-29 1971-03-31 Patelhold Patentverwertung Verfahren zur Mitübertragung der tiefen Signalfrequenzkomponenten eines Nachrichtensignals
US3597541A (en) * 1969-12-23 1971-08-03 Sylvania Electric Prod Decision-directed adapted equalizer circuit
GB1508995A (en) * 1974-05-17 1978-04-26 Post Office Digital data transmission systems
US3949206A (en) * 1974-12-17 1976-04-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Filtering device
JPS5182548A (en) * 1974-12-27 1976-07-20 Fujitsu Ltd Jidotokaki
US3992616A (en) * 1975-06-24 1976-11-16 Honeywell Inc. Receiver equalizer apparatus

Also Published As

Publication number Publication date
CA1148224A (en) 1983-06-14
DK149360B (da) 1986-05-12
ES8105909A1 (es) 1981-06-16
DK398580A (da) 1981-03-20
SG43884G (en) 1985-09-13
AU6203980A (en) 1981-03-26
EP0026065A1 (en) 1981-04-01
ZA805543B (en) 1981-09-30
US4347615A (en) 1982-08-31
IE50794B1 (en) 1986-07-23
KR830003980A (ko) 1983-06-30
PT71796A (en) 1980-10-01
DK149360C (da) 1987-01-19
NO148168B (no) 1983-05-09
HK77384A (en) 1984-10-19
EP0026065B1 (en) 1983-12-07
ATE5556T1 (de) 1983-12-15
JPS5654116A (en) 1981-05-14
ES495155A0 (es) 1981-06-16
DE3065833D1 (en) 1984-01-12
NO148168C (no) 1983-08-17
PT71796B (en) 1981-07-02
IE801956L (en) 1981-03-19
AU532416B2 (en) 1983-09-29
JPS6335127B2 (enExample) 1988-07-13
NO802685L (no) 1981-03-20

Similar Documents

Publication Publication Date Title
EP0598585B1 (en) Automatic calibration of the quadrature balance within a cartesian amplifier
US5339054A (en) Modulated signal transmission system compensated for nonlinear and linear distortion
EP1175725B1 (en) Adaptive linearizer for rf power amplifiers
CN1069004C (zh) 射频系统中进行误差校正放大的装置和方法
EP0021317B1 (en) Adaptive filter with tap coefficient leakage
KR830002467B1 (ko) 이퀄라이저
US5355101A (en) Quadrature modulator having circuit for correcting phase error
JP4934282B2 (ja) Dcオフセット補正を伴う適応型等化器
KR20010033536A (ko) 디지탈 상호 변조 제어 기능을 갖는 피드 포워드 앰프
US20020136324A1 (en) Circuit and method for compensating for non-linear distortion
EP0040801A1 (en) Automatic equalizer
JP2005237003A (ja) Dcオフセット補正を伴う適応型等化器
US3758881A (en) Transversal equalizer controlled by pilot tones
EP0181458A2 (en) Suppressed-fundamental frequency three-way predistorter
EP0122637A2 (en) Automatic adaptive equalizer
GB2107540A (en) Feedforward amplifiers
GB2167256A (en) Feedforward amplifiers
US3758863A (en) Device for equalizing binary bipolar signals
US4727543A (en) Method and apparatus for adjusting a digital equalizing filter
US2958831A (en) Equalizer
EP1133066A1 (en) Transmitter/receiver
JP3037025B2 (ja) 直交変調器
JPH05316338A (ja) サンプルホールド回路
JPS6251329A (ja) 符号識別回路
GB2071468A (en) Improvements in or relating to transversal equalisers

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19891027

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19891027