IT1291346B1 - TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator - Google Patents

TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator

Info

Publication number
IT1291346B1
IT1291346B1 ITMI971097A IT1291346B1 IT 1291346 B1 IT1291346 B1 IT 1291346B1 IT MI971097 A ITMI971097 A IT MI971097A IT 1291346 B1 IT1291346 B1 IT 1291346B1
Authority
IT
Italy
Prior art keywords
distorter
circuits
biases
optical modulator
external optical
Prior art date
Application number
Other languages
Italian (it)
Inventor
Franco Mussino
Massimo Notargiacomo
Gianluca Gobetti
Giuseppe Ravasio
Claudio Zammarchi
Original Assignee
Pirelli Cavi S P A Ora Pirelli
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 Pirelli Cavi S P A Ora Pirelli filed Critical Pirelli Cavi S P A Ora Pirelli
Publication of ITMI971097A0 publication Critical patent/ITMI971097A0/it
Priority to ITMI971097 priority Critical patent/IT1291346B1/en
Priority to AU80157/98A priority patent/AU744572B2/en
Priority to EP98928232A priority patent/EP0981868A1/en
Priority to PCT/EP1998/002696 priority patent/WO1998052304A1/en
Priority to NZ500719A priority patent/NZ500719A/en
Priority to JP54876998A priority patent/JP2001526010A/en
Priority to CA002289511A priority patent/CA2289511A1/en
Priority to BR9809257-0A priority patent/BR9809257A/en
Priority to ARP980102162 priority patent/AR012680A1/en
Publication of ITMI971097A1 publication Critical patent/ITMI971097A1/en
Application granted granted Critical
Publication of IT1291346B1 publication Critical patent/IT1291346B1/en
Priority to US09/440,681 priority patent/US6313701B1/en

Links

Landscapes

  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Gyroscopes (AREA)

Abstract

Pre-distorter operates on an electrical signal of variable amplitude by supplying the signal to distorter circuits, biasing the circuits, distorting the signal and maintaining a constant preset voltage value when varying the amplitude of the signal at the distorter circuit.
ITMI971097 1997-05-12 1997-05-12 TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator IT1291346B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ITMI971097 IT1291346B1 (en) 1997-05-12 1997-05-12 TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator
NZ500719A NZ500719A (en) 1997-05-12 1998-05-08 Predistorting network for external optical modulator
EP98928232A EP0981868A1 (en) 1997-05-12 1998-05-08 External optical modulation system comprising a predistorter
PCT/EP1998/002696 WO1998052304A1 (en) 1997-05-12 1998-05-08 External optical modulation system comprising a predistorter
AU80157/98A AU744572B2 (en) 1997-05-12 1998-05-08 External optical modulation system comprising a predistorter
JP54876998A JP2001526010A (en) 1997-05-12 1998-05-08 External light modulation system with predistortion generator
CA002289511A CA2289511A1 (en) 1997-05-12 1998-05-08 External optical modulation system comprising a predistorter
BR9809257-0A BR9809257A (en) 1997-05-12 1998-05-08 Process and circuit for pre-distortion of an electrical signal of variable amplitude, and, externally modulated optical transmitter
ARP980102162 AR012680A1 (en) 1997-05-12 1998-05-11 METHOD AND CIRCUIT FOR THE PREDISTORTION OF AN ELECTRICAL SIGNAL, AND OPTICAL TRANSMITTER THAT INCLUDES SUCH CIRCUIT
US09/440,681 US6313701B1 (en) 1997-05-12 1999-11-12 External optical modulation system comprising a predistorter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI971097 IT1291346B1 (en) 1997-05-12 1997-05-12 TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator

Publications (3)

Publication Number Publication Date
ITMI971097A0 ITMI971097A0 (en) 1997-05-12
ITMI971097A1 ITMI971097A1 (en) 1998-11-12
IT1291346B1 true IT1291346B1 (en) 1999-01-07

Family

ID=11377109

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI971097 IT1291346B1 (en) 1997-05-12 1997-05-12 TV signal external optical modulator pre-distorter - Biases distorter circuits to combine signals for linear attenuator

Country Status (3)

Country Link
AR (1) AR012680A1 (en)
BR (1) BR9809257A (en)
IT (1) IT1291346B1 (en)

Also Published As

Publication number Publication date
ITMI971097A1 (en) 1998-11-12
AR012680A1 (en) 2000-11-08
ITMI971097A0 (en) 1997-05-12
BR9809257A (en) 2000-06-27

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Legal Events

Date Code Title Description
0001 Granted