ES424863A1 - Un sistema de transmision a dos hilos con amplificadores hibridos electronicos. - Google Patents

Un sistema de transmision a dos hilos con amplificadores hibridos electronicos.

Info

Publication number
ES424863A1
ES424863A1 ES424863A ES424863A ES424863A1 ES 424863 A1 ES424863 A1 ES 424863A1 ES 424863 A ES424863 A ES 424863A ES 424863 A ES424863 A ES 424863A ES 424863 A1 ES424863 A1 ES 424863A1
Authority
ES
Spain
Prior art keywords
signals
amplifier
transformer
difference
electronic hybrid
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
ES424863A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES424863A1 publication Critical patent/ES424863A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
ES424863A 1973-04-02 1974-04-08 Un sistema de transmision a dos hilos con amplificadores hibridos electronicos. Expired ES424863A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00347160A US3855431A (en) 1973-04-02 1973-04-02 Electronic hybrid amplifier

Publications (1)

Publication Number Publication Date
ES424863A1 true ES424863A1 (es) 1976-05-16

Family

ID=23362569

Family Applications (1)

Application Number Title Priority Date Filing Date
ES424863A Expired ES424863A1 (es) 1973-04-02 1974-04-08 Un sistema de transmision a dos hilos con amplificadores hibridos electronicos.

Country Status (3)

Country Link
US (1) US3855431A (es)
CA (1) CA1013038A (es)
ES (1) ES424863A1 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934099A (en) * 1974-08-16 1976-01-20 Bell Telephone Laboratories, Incorporated Bias, feedback and network arrangements for hybrid circuits
US4074087A (en) * 1976-08-16 1978-02-14 Bell Telephone Laboratories, Incorporated Bidirectional voice frequency repeater
US4277655A (en) * 1978-10-16 1981-07-07 Lear Siegler, Inc. Automatic gain repeater
DE2911866C3 (de) * 1979-03-26 1982-03-11 Siemens AG, 1000 Berlin und 8000 München Anordnung mit einer Gabelschaltung für den Zweidraht-Vierdraht-Übergang in PCM-Zeitmultiplexsystemen
US5546083A (en) * 1981-07-14 1996-08-13 The United States Of America As Represented By The Secretary Of The Air Force Bidirectional repeater amplifier
US4758822A (en) * 1986-04-30 1988-07-19 Gte Communication Systems Corporation Bidirectional amplifier
US5471527A (en) 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method
US5898454A (en) * 1996-06-03 1999-04-27 Scientific-Atlanta, Inc. Phase cancellation in a multi-output distribution amplifier at crossover frequency
RU2139630C1 (ru) * 1998-10-20 1999-10-10 Ульяновский государственный технический университет Двунаправленный усилитель тональной частоты
US6842518B2 (en) * 2001-12-13 2005-01-11 Legerity, Inc. Frequency-dependent impedance synthesis for DSL interface circuits
US6940969B2 (en) * 2001-12-13 2005-09-06 Legerity, Inc. Capacitor cancellation method and apparatus
US11296659B2 (en) * 2018-03-22 2022-04-05 Georgia Tech Research Corporation Switchless bi-directional amplifier using neutralized differential pair
CN113572433B (zh) * 2020-10-30 2023-10-13 锐石创芯(深圳)科技股份有限公司 射频差分放大电路和射频模组
KR102716266B1 (ko) * 2021-12-20 2024-10-14 한국전자통신연구원 대칭적인 구조를 갖는 매칭 회로들을 포함하는 양방향 증폭기 및 이를 포함하는 통신 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530260A (en) * 1966-12-23 1970-09-22 Bell Telephone Labor Inc Transistor hybrid circuit
US3480742A (en) * 1967-03-31 1969-11-25 Bell Telephone Labor Inc Hybrid circuit

Also Published As

Publication number Publication date
US3855431A (en) 1974-12-17
CA1013038A (en) 1977-06-28

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