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GB2376822B - Telecommunications systems - Google Patents

Telecommunications systems

Info

Publication number
GB2376822B
GB2376822B GB0115401A GB0115401A GB2376822B GB 2376822 B GB2376822 B GB 2376822B GB 0115401 A GB0115401 A GB 0115401A GB 0115401 A GB0115401 A GB 0115401A GB 2376822 B GB2376822 B GB 2376822B
Authority
GB
United Kingdom
Prior art keywords
telecommunications systems
telecommunications
systems
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 - Lifetime
Application number
GB0115401A
Other versions
GB2376822A (en
GB0115401D0 (en
Inventor
Jonas Persson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to GB0115401A priority Critical patent/GB2376822B/en
Publication of GB0115401D0 publication Critical patent/GB0115401D0/en
Priority to PCT/EP2002/004827 priority patent/WO2003001662A1/en
Priority to US10/480,989 priority patent/US7138863B2/en
Publication of GB2376822A publication Critical patent/GB2376822A/en
Application granted granted Critical
Publication of GB2376822B publication Critical patent/GB2376822B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
GB0115401A 2001-06-22 2001-06-22 Telecommunications systems Expired - Lifetime GB2376822B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0115401A GB2376822B (en) 2001-06-22 2001-06-22 Telecommunications systems
PCT/EP2002/004827 WO2003001662A1 (en) 2001-06-22 2002-05-02 Gain control of a power amplifier
US10/480,989 US7138863B2 (en) 2001-06-22 2002-05-02 Gain control of a power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0115401A GB2376822B (en) 2001-06-22 2001-06-22 Telecommunications systems

Publications (3)

Publication Number Publication Date
GB0115401D0 GB0115401D0 (en) 2001-08-15
GB2376822A GB2376822A (en) 2002-12-24
GB2376822B true GB2376822B (en) 2005-06-22

Family

ID=9917231

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0115401A Expired - Lifetime GB2376822B (en) 2001-06-22 2001-06-22 Telecommunications systems

Country Status (1)

Country Link
GB (1) GB2376822B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638994A1 (en) * 1993-08-13 1995-02-15 Philips Electronics Uk Limited Transmitter and power amplifier therefor
EP0896439A2 (en) * 1997-08-06 1999-02-10 Nec Corporation Transmission power control device capable of varying a transmission power at a wide range
US6151509A (en) * 1998-06-24 2000-11-21 Conexant Systems, Inc. Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638994A1 (en) * 1993-08-13 1995-02-15 Philips Electronics Uk Limited Transmitter and power amplifier therefor
EP0896439A2 (en) * 1997-08-06 1999-02-10 Nec Corporation Transmission power control device capable of varying a transmission power at a wide range
US6151509A (en) * 1998-06-24 2000-11-21 Conexant Systems, Inc. Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power

Also Published As

Publication number Publication date
GB2376822A (en) 2002-12-24
GB0115401D0 (en) 2001-08-15

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20210621