GB1436847A - System for measuring group delay distortions and attenuation distortions on part of a transmission channel which forms a loop - Google Patents

System for measuring group delay distortions and attenuation distortions on part of a transmission channel which forms a loop

Info

Publication number
GB1436847A
GB1436847A GB1803173A GB1803173A GB1436847A GB 1436847 A GB1436847 A GB 1436847A GB 1803173 A GB1803173 A GB 1803173A GB 1803173 A GB1803173 A GB 1803173A GB 1436847 A GB1436847 A GB 1436847A
Authority
GB
United Kingdom
Prior art keywords
signal
frequency
carrier
receiver
output
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
GB1803173A
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.)
Wandel and Golterman GmbH and Co
Original Assignee
Wandel and Golterman GmbH and Co
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 Wandel and Golterman GmbH and Co filed Critical Wandel and Golterman GmbH and Co
Publication of GB1436847A publication Critical patent/GB1436847A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/462—Testing group delay or phase shift, e.g. timing jitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB1803173A 1972-04-29 1973-04-13 System for measuring group delay distortions and attenuation distortions on part of a transmission channel which forms a loop Expired GB1436847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2221256A DE2221256C2 (de) 1972-04-29 1972-04-29 Anordnung zur Messung von Gruppenlaufzeit- und/oder Dämpfungsverzerrungen auf einer Teilstrecke einer eine Schleife bildenden Übertragungsstrecke

Publications (1)

Publication Number Publication Date
GB1436847A true GB1436847A (en) 1976-05-26

Family

ID=5843725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1803173A Expired GB1436847A (en) 1972-04-29 1973-04-13 System for measuring group delay distortions and attenuation distortions on part of a transmission channel which forms a loop

Country Status (4)

Country Link
US (1) US3899738A (US07223432-20070529-C00017.png)
DE (1) DE2221256C2 (US07223432-20070529-C00017.png)
FR (1) FR2183189B1 (US07223432-20070529-C00017.png)
GB (1) GB1436847A (US07223432-20070529-C00017.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154751A (en) * 1984-01-09 1985-09-11 Hewlett Packard Co Vector network analyzer with integral processor
CN105092985A (zh) * 2014-12-30 2015-11-25 北京无线电计量测试研究所 基于锁相放大器的衰减参数测量装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791659A (en) * 1986-10-30 1988-12-13 Domain Systems, Inc. Remote test telephone line access system
US4845735A (en) * 1988-06-14 1989-07-04 General Datacomm, Inc. Non-interfering method for measuring propagation delay of telecommunications network and apparatus for accomplishing same
ES2126561T3 (es) * 1991-06-04 1999-04-01 Cit Alcatel Metodo para determinar retardos de ecualizacion en un sistema de transmision y sistema de transmision relacionado.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629696A (en) * 1968-08-06 1971-12-21 Northeast Electronics Corp Method and apparatus for measuring delay distortion including simultaneously applied modulated signals
DE2102511C3 (de) * 1971-01-20 1974-01-03 Vierling, Oskar, Prof. Dr.Phil. Habil., 8553 Ebermannstadt Verfahren zum Messen der frequenzabhängigen Dämpfung einer Zweidrahtleitung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154751A (en) * 1984-01-09 1985-09-11 Hewlett Packard Co Vector network analyzer with integral processor
US4669051A (en) * 1984-01-09 1987-05-26 Hewlett-Packard Company Vector network analyzer with integral processor
CN105092985A (zh) * 2014-12-30 2015-11-25 北京无线电计量测试研究所 基于锁相放大器的衰减参数测量装置
CN105092985B (zh) * 2014-12-30 2019-01-25 北京无线电计量测试研究所 基于锁相放大器的衰减参数测量装置

Also Published As

Publication number Publication date
DE2221256B1 (de) 1973-08-02
FR2183189B1 (US07223432-20070529-C00017.png) 1983-06-24
US3899738A (en) 1975-08-12
DE2221256C2 (de) 1974-02-21
FR2183189A1 (US07223432-20070529-C00017.png) 1973-12-14

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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