GB1382862A - Apparatus for positioning variable equalizers for weideband tele communication systems - Google Patents

Apparatus for positioning variable equalizers for weideband tele communication systems

Info

Publication number
GB1382862A
GB1382862A GB1520472A GB1520472A GB1382862A GB 1382862 A GB1382862 A GB 1382862A GB 1520472 A GB1520472 A GB 1520472A GB 1520472 A GB1520472 A GB 1520472A GB 1382862 A GB1382862 A GB 1382862A
Authority
GB
United Kingdom
Prior art keywords
equalizer
adjustment
simulator
output
indicator
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
GB1520472A
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of GB1382862A publication Critical patent/GB1382862A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
GB1520472A 1971-06-11 1972-03-30 Apparatus for positioning variable equalizers for weideband tele communication systems Expired GB1382862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2571871 1971-06-11

Publications (1)

Publication Number Publication Date
GB1382862A true GB1382862A (en) 1975-02-05

Family

ID=11217523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1520472A Expired GB1382862A (en) 1971-06-11 1972-03-30 Apparatus for positioning variable equalizers for weideband tele communication systems

Country Status (5)

Country Link
US (1) US3748602A (enExample)
DE (1) DE2226337C3 (enExample)
FR (1) FR2140367B1 (enExample)
GB (1) GB1382862A (enExample)
SE (1) SE383079B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832523B2 (ja) * 1976-06-23 1983-07-13 ケイディディ株式会社 自動遅延等化方法
JPS57200926A (en) * 1981-06-03 1982-12-09 Hitachi Ltd Signal processing circuit
JP4080866B2 (ja) * 2000-07-31 2008-04-23 エーディーイー コーポレーション 新校正方法を使った形状精度の改良
US7995981B2 (en) * 2005-10-31 2011-08-09 Silicon Laboratories Inc. Receiver with image rejection calibration at an undesired picture carrier and method therefor
US7962113B2 (en) * 2005-10-31 2011-06-14 Silicon Laboratories Inc. Receiver with multi-tone wideband I/Q mismatch calibration and method therefor
US7577413B2 (en) * 2006-09-19 2009-08-18 Silicon Laboratories, Inc. Method and apparatus for calibrating a filter of a receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607851A (en) * 1947-11-18 1952-08-19 Bell Telephone Labor Inc Mop-up equalizer
US3663898A (en) * 1969-12-17 1972-05-16 Bell Telephone Labor Inc Equalizer

Also Published As

Publication number Publication date
SE383079B (sv) 1976-02-23
DE2226337C3 (de) 1979-01-11
FR2140367A1 (enExample) 1973-01-19
DE2226337B2 (de) 1978-05-11
FR2140367B1 (enExample) 1974-09-27
US3748602A (en) 1973-07-24
DE2226337A1 (de) 1973-01-04

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Legal Events

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