SE387024B - Hybridkrets med stromstyrda stromforsterkare - Google Patents

Hybridkrets med stromstyrda stromforsterkare

Info

Publication number
SE387024B
SE387024B SE7308242A SE7308242A SE387024B SE 387024 B SE387024 B SE 387024B SE 7308242 A SE7308242 A SE 7308242A SE 7308242 A SE7308242 A SE 7308242A SE 387024 B SE387024 B SE 387024B
Authority
SE
Sweden
Prior art keywords
power
hybrid circuit
controlled
amplifiers
power amplifiers
Prior art date
Application number
SE7308242A
Other languages
English (en)
Swedish (sv)
Inventor
J O Voorman
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE387024B publication Critical patent/SE387024B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
SE7308242A 1972-06-15 1973-06-12 Hybridkrets med stromstyrda stromforsterkare SE387024B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7208148A NL7208148A (it) 1972-06-15 1972-06-15

Publications (1)

Publication Number Publication Date
SE387024B true SE387024B (sv) 1976-08-23

Family

ID=19816281

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7308242A SE387024B (sv) 1972-06-15 1973-06-12 Hybridkrets med stromstyrda stromforsterkare

Country Status (9)

Country Link
US (1) US3849609A (it)
JP (1) JPS5412182B2 (it)
CA (1) CA975480A (it)
DE (1) DE2327061C3 (it)
FR (1) FR2189952B1 (it)
GB (1) GB1423456A (it)
IT (1) IT986451B (it)
NL (1) NL7208148A (it)
SE (1) SE387024B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit
JPS5413715A (en) * 1977-07-01 1979-02-01 Nippon Telegr & Teleph Corp <Ntt> Four-wire switching system
US4203012A (en) * 1977-07-14 1980-05-13 Boxall Frank S Hybrid circuit using current mirror circuits
FR2437757A2 (fr) * 1978-06-26 1980-04-25 Trt Telecom Radio Electr Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique
DE2833722C2 (de) * 1978-08-01 1982-06-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zur spulen-, relaiskontakt- und transformatorfreien Rufstrom- und Schleifenstromeinspeisung
DE2833768C2 (de) * 1978-08-01 1982-07-01 Siemens AG, 1000 Berlin und 8000 München Verfahren zur spulen-, relaiskontakt- und transformatorfreien Rufstrom- und Schleifenstromeinspeisung
DE2838038A1 (de) * 1978-08-31 1980-03-13 Siemens Ag Einspeiseeinheit mit hohem ausgangsseitigen innenwiderstand
US4272656A (en) * 1979-04-05 1981-06-09 Precision Monolithics, Inc. Quasi-resistive battery feed for telephone circuits
NL7903797A (nl) * 1979-05-15 1980-11-18 Philips Nv Vorkschakeling.
US4300023A (en) * 1979-08-13 1981-11-10 Motorola, Inc. Hybrid circuit
US4331842A (en) * 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
US4326109A (en) * 1980-04-11 1982-04-20 Northern Telecom Limited Apparatus for coupling a two-way transmission path to a one-way transmitting path and a one-way receiving path
US4314196A (en) * 1980-07-14 1982-02-02 Motorola Inc. Current limiting circuit
US4358645A (en) * 1980-08-05 1982-11-09 Motorola, Inc. Loop sensing circuit for use with a subscriber loop interface circuit
JPS57104336A (en) * 1980-12-20 1982-06-29 Oki Electric Ind Co Ltd Hybrid circuit
CA1177985A (en) * 1981-09-24 1984-11-13 Don W. Zobel Electronic terminator circuit
US4431874A (en) * 1981-09-24 1984-02-14 Motorola, Inc. Balanced current multiplier circuit for a subscriber loop interface circuit
US4485341A (en) * 1982-07-28 1984-11-27 Motorola, Inc. Current limiter circuit
US6792105B1 (en) 2000-10-31 2004-09-14 3Com Corporation Current-mode differential active hybrid circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511948A (en) * 1950-06-20 Hybrid circuit
GB905396A (en) * 1958-01-22 1962-09-05 Ericsson Telefon Ab L M Improvements in or relating to two-way amplifiers for connecting two sections of a transmission line
NL7000395A (it) * 1970-01-13 1971-07-15
NL7102199A (it) * 1971-02-19 1972-08-22

Also Published As

Publication number Publication date
DE2327061B2 (de) 1976-10-14
US3849609A (en) 1974-11-19
IT986451B (it) 1975-01-30
JPS4952550A (it) 1974-05-22
FR2189952B1 (it) 1976-05-28
CA975480A (en) 1975-09-30
DE2327061C3 (de) 1982-01-07
AU5675773A (en) 1974-12-12
DE2327061A1 (de) 1973-12-20
NL7208148A (it) 1973-12-18
JPS5412182B2 (it) 1979-05-21
FR2189952A1 (it) 1974-01-25
GB1423456A (en) 1976-02-04

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