GB1519254A - Non-linearty product generator and non-linearity precorrector - Google Patents

Non-linearty product generator and non-linearity precorrector

Info

Publication number
GB1519254A
GB1519254A GB20962/76A GB2096276A GB1519254A GB 1519254 A GB1519254 A GB 1519254A GB 20962/76 A GB20962/76 A GB 20962/76A GB 2096276 A GB2096276 A GB 2096276A GB 1519254 A GB1519254 A GB 1519254A
Authority
GB
United Kingdom
Prior art keywords
linear
attenuator
precorrector
linearty
linearity
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
GB20962/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LGT Laboratoire General des Telecommunications
Original Assignee
LGT Laboratoire General des Telecommunications
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 LGT Laboratoire General des Telecommunications filed Critical LGT Laboratoire General des Telecommunications
Publication of GB1519254A publication Critical patent/GB1519254A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB20962/76A 1975-05-23 1976-05-20 Non-linearty product generator and non-linearity precorrector Expired GB1519254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7516062A FR2312152A1 (fr) 1975-05-23 1975-05-23 Generateur de produits de non linearite et precorrecteur de systeme de transmission utilisant un tel generateur

Publications (1)

Publication Number Publication Date
GB1519254A true GB1519254A (en) 1978-07-26

Family

ID=9155565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20962/76A Expired GB1519254A (en) 1975-05-23 1976-05-20 Non-linearty product generator and non-linearity precorrector

Country Status (6)

Country Link
AR (1) AR207622A1 (https=)
BR (1) BR7603009A (https=)
DE (1) DE2622954C2 (https=)
FR (1) FR2312152A1 (https=)
GB (1) GB1519254A (https=)
GR (1) GR60379B (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252930A (en) * 1989-09-07 1993-10-12 Ortel Corporation Predistorter for linearization of electronic and optical signals
EP1039631A1 (en) * 1999-03-23 2000-09-27 Alcatel Pre/post-distortion circuit and method, particularly for microwave radio-frequency systems
EP1337036A2 (en) 2002-02-14 2003-08-20 Seiko Epson Corporation Distortion-correcting circuit, integrated circuit, and radio communication device
WO2006027806A1 (en) * 2004-09-10 2006-03-16 Com-Tech S.R.L. Hybrid coupler and uhf television channel mixer comprising such a hybrid coupler

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392540A1 (fr) * 1977-05-27 1978-12-22 Thomson Csf Systeme d'amplification des signaux video et audiofrequence, et emetteur de television utilisant un tel systeme
JPS5816802B2 (ja) * 1978-04-17 1983-04-02 ケイディディ株式会社 高周波増幅器の非線形補償回路
DE2915947A1 (de) * 1979-04-20 1980-11-06 Siemens Ag Schaltungsanordnung zur verminderung der amplitudenabhaengigen verzerrungen in ueberlagerungsempfaengern
FR2469068A1 (fr) * 1979-10-26 1981-05-08 Thomson Csf Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif
US4325076A (en) * 1980-05-08 1982-04-13 Rca Corporation Electronic filter for generating a third harmonic signal
FR2482799A1 (fr) 1980-05-14 1981-11-20 Lgt Lab Gen Telecomm Dispositif de precorrection de produits de non linearite et systeme de transmission de signaux de television comportant de tel dispositif
DE3142203A1 (de) * 1981-10-24 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Entzerrer
US5015965A (en) * 1989-11-22 1991-05-14 General Electric Company Predistortion equalizer with resistive combiners and dividers
JP2983160B2 (ja) * 1995-10-06 1999-11-29 八木アンテナ株式会社 高周波増幅装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959316A (en) * 1961-03-14 1964-05-27 Standard Telephones Cables Ltd Improvements in or relating to signal transmission apparatus
US3667065A (en) * 1970-09-04 1972-05-30 Bell Telephone Labor Inc Feed-forward amplifier having arbitrary gain-frequency characteristic
US3825843A (en) * 1973-06-08 1974-07-23 Bell Telephone Labor Inc Selective distortion compensation circuit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252930A (en) * 1989-09-07 1993-10-12 Ortel Corporation Predistorter for linearization of electronic and optical signals
EP1039631A1 (en) * 1999-03-23 2000-09-27 Alcatel Pre/post-distortion circuit and method, particularly for microwave radio-frequency systems
US6335660B1 (en) 1999-03-23 2002-01-01 Alcatel Pre/post-distortion circuit and method, particularly for microwave radio-frequency systems
EP1337036A2 (en) 2002-02-14 2003-08-20 Seiko Epson Corporation Distortion-correcting circuit, integrated circuit, and radio communication device
EP1337036A3 (en) * 2002-02-14 2005-03-30 Seiko Epson Corporation Distortion-correcting circuit, integrated circuit, and radio communication device
US7046971B2 (en) 2002-02-14 2006-05-16 Seiko Epson Corporation Distortion-correcting circuit, integrated circuit, and radio communication device
WO2006027806A1 (en) * 2004-09-10 2006-03-16 Com-Tech S.R.L. Hybrid coupler and uhf television channel mixer comprising such a hybrid coupler
US8044748B2 (en) 2004-09-10 2011-10-25 Com-Tech S.R.L. Hybrid coupler and UHF television channel mixer comprising such a hybrid coupler

Also Published As

Publication number Publication date
DE2622954C2 (de) 1986-10-02
FR2312152B1 (https=) 1981-06-26
FR2312152A1 (fr) 1976-12-17
GR60379B (en) 1978-05-23
DE2622954A1 (de) 1976-12-09
AR207622A1 (es) 1976-10-15
BR7603009A (pt) 1977-02-15

Similar Documents

Publication Publication Date Title
CA2060117A1 (en) Predistorter for linearization of electronic and optical signals
GB1519254A (en) Non-linearty product generator and non-linearity precorrector
CA2024385A1 (en) Predistorter for linearization of electronic and optical signals
US4605902A (en) Hybrid junction signal combiner
GB1510504A (en) Television signal processing apparatus
JPH03198511A (ja) 低歪高周波増幅装置
US5363056A (en) Circuit for linearization of amplified electronic signals
ES463649A1 (es) Perfeccionamientos en circuitos compensadores de distorsion para trayectos de senal sujetos a distorsion.
GB1369603A (en) Reduction of intermodulation products in amplifiers
GB1381597A (en) High frequency amplifier arrangements
US3725806A (en) Distortion reduction in a repeatered transmission system
US5428314A (en) Odd/even order distortion generator and distortion cancellation circuit
EP0280356A3 (en) Linearizer for microwave power amplifiers
US5043673A (en) Compensating circuit for a high frequency amplifier
GB1574778A (en) Distortion compensation circuits
GB1436110A (en) Circuit for amplifying charge
US4048579A (en) Feed-forward amplifier
GB1257316A (https=)
CA1099349A (en) Transistor power amplifiers
GB1519456A (en) Wideband amplifier arrangement
GB1495264A (en) Amplifier arrangements
GB847849A (en) Improvements in or relating to electrical distortion equalizers
GB842794A (en) Electrical equalizer circuit
GB1472374A (en) Broad band directional coupler
JPH0447804A (ja) 歪補償回路

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950520