GB1439874A - Apparatus for measuring group delay and attenuation in quadripole - Google Patents

Apparatus for measuring group delay and attenuation in quadripole

Info

Publication number
GB1439874A
GB1439874A GB4202373A GB4202373A GB1439874A GB 1439874 A GB1439874 A GB 1439874A GB 4202373 A GB4202373 A GB 4202373A GB 4202373 A GB4202373 A GB 4202373A GB 1439874 A GB1439874 A GB 1439874A
Authority
GB
United Kingdom
Prior art keywords
frequency
amplitude
difference
fed
measurement
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
GB4202373A
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.)
ITALIANA TELECOUNICAZIONI SIEM
Italtel SpA
Original Assignee
ITALIANA TELECOUNICAZIONI SIEM
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 ITALIANA TELECOUNICAZIONI SIEM, Societa Italiana Telecomunicazioni Siemens SpA filed Critical ITALIANA TELECOUNICAZIONI SIEM
Publication of GB1439874A publication Critical patent/GB1439874A/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)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB4202373A 1972-10-31 1973-09-06 Apparatus for measuring group delay and attenuation in quadripole Expired GB1439874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT31144/72A IT986863B (it) 1972-10-31 1972-10-31 Ricevitore per la misura del ritardo di gruppo

Publications (1)

Publication Number Publication Date
GB1439874A true GB1439874A (en) 1976-06-16

Family

ID=11233171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4202373A Expired GB1439874A (en) 1972-10-31 1973-09-06 Apparatus for measuring group delay and attenuation in quadripole

Country Status (7)

Country Link
US (1) US3887775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE806662A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2353302A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2204809B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1439874A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT986863B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7314981A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025854A (en) * 1975-09-26 1977-05-24 Gte Automatic Electric Laboratories Incorporated In-service technique for measuring transmission characteristics of a microwave radio link
DE2849119A1 (de) * 1978-11-13 1980-05-14 Siemens Ag Verfahren und schaltungsanordnung zur daempfungsmessung, insbesondere zur ermittlung der daempfungs- und/oder gruppenlaufzeitverzerrung eines messobjektes
US4712060A (en) * 1986-08-29 1987-12-08 Board Of Regents The University Of Texas System Sampling average phase meter
CN101937069B (zh) * 2010-09-08 2013-11-27 珠海中慧微电子有限公司 Soc智能电表的电压特性检测系统及方法
EP3092511A4 (en) * 2014-01-10 2017-11-29 CGG Services (U.S.) Inc. Device and method for mitigating cycle-skipping in full waveform inversion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2337541A (en) * 1941-06-28 1943-12-28 Bell Telephone Labor Inc Electric circuit
US2929987A (en) * 1955-09-26 1960-03-22 Gilfillan Bros Inc System for measuring differential phase delay in electrical apparatus
DE1179634B (de) * 1962-05-26 1964-10-15 Siemens Ag Verfahren zur Erfassung des Phasenwinkels
US3629696A (en) * 1968-08-06 1971-12-21 Northeast Electronics Corp Method and apparatus for measuring delay distortion including simultaneously applied modulated signals
US3671876A (en) * 1971-01-19 1972-06-20 George S Oshiro Pulse-phase comparators

Also Published As

Publication number Publication date
DE2353302A1 (de) 1974-05-09
FR2204809A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-24
BE806662A (fr) 1974-02-15
FR2204809B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-12-08
IT986863B (it) 1975-01-30
US3887775A (en) 1975-06-03
NL7314981A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-02

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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