SE503688C2 - Drivsteg - Google Patents

Drivsteg

Info

Publication number
SE503688C2
SE503688C2 SE9403875A SE9403875A SE503688C2 SE 503688 C2 SE503688 C2 SE 503688C2 SE 9403875 A SE9403875 A SE 9403875A SE 9403875 A SE9403875 A SE 9403875A SE 503688 C2 SE503688 C2 SE 503688C2
Authority
SE
Sweden
Prior art keywords
stage
differential amplifier
current
amplifier output
drive stage
Prior art date
Application number
SE9403875A
Other languages
English (en)
Swedish (sv)
Other versions
SE9403875L (sv
SE9403875D0 (sv
Inventor
Hans Oskar Eriksson
Carl-Henrik Malmgren
Henrik Helmer Hellberg
Elisabeth Maria Larsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9403875A priority Critical patent/SE503688C2/sv
Publication of SE9403875D0 publication Critical patent/SE9403875D0/xx
Priority to PCT/SE1995/001322 priority patent/WO1996015592A1/en
Priority to US08/836,226 priority patent/US5901221A/en
Priority to ES95944466T priority patent/ES2176361T3/es
Priority to JP8515976A priority patent/JPH10513018A/ja
Priority to DE69526447T priority patent/DE69526447T2/de
Priority to CN95196150.0A priority patent/CN1089506C/zh
Priority to FI971888A priority patent/FI971888A0/fi
Priority to EP95944466A priority patent/EP0791245B1/en
Priority to HK98106240.8A priority patent/HK1007069B/xx
Priority to AU46803/96A priority patent/AU4680396A/en
Priority to KR1019970703078A priority patent/KR100390387B1/ko
Priority to CA002204873A priority patent/CA2204873A1/en
Publication of SE9403875L publication Critical patent/SE9403875L/
Publication of SE503688C2 publication Critical patent/SE503688C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
SE9403875A 1994-11-10 1994-11-10 Drivsteg SE503688C2 (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9403875A SE503688C2 (sv) 1994-11-10 1994-11-10 Drivsteg
CA002204873A CA2204873A1 (en) 1994-11-10 1995-11-08 Driving stage
CN95196150.0A CN1089506C (zh) 1994-11-10 1995-11-08 驱动级
EP95944466A EP0791245B1 (en) 1994-11-10 1995-11-08 Driving stage
ES95944466T ES2176361T3 (es) 1994-11-10 1995-11-08 Etapa de excitacion.
JP8515976A JPH10513018A (ja) 1994-11-10 1995-11-08 駆動段
DE69526447T DE69526447T2 (de) 1994-11-10 1995-11-08 Treiberstufe
PCT/SE1995/001322 WO1996015592A1 (en) 1994-11-10 1995-11-08 Driving stage
FI971888A FI971888A0 (fi) 1994-11-10 1995-11-08 Ohjausaste
US08/836,226 US5901221A (en) 1994-11-10 1995-11-08 Driving stage for driving differential amplifiers of a subscriber line interface circuit
HK98106240.8A HK1007069B (en) 1994-11-10 1995-11-08 Driving stage
AU46803/96A AU4680396A (en) 1994-11-10 1995-11-08 Driving stage
KR1019970703078A KR100390387B1 (ko) 1994-11-10 1995-11-08 구동장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403875A SE503688C2 (sv) 1994-11-10 1994-11-10 Drivsteg

Publications (3)

Publication Number Publication Date
SE9403875D0 SE9403875D0 (sv) 1994-11-10
SE9403875L SE9403875L (sv) 1996-05-11
SE503688C2 true SE503688C2 (sv) 1996-07-29

Family

ID=20395927

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403875A SE503688C2 (sv) 1994-11-10 1994-11-10 Drivsteg

Country Status (12)

Country Link
US (1) US5901221A (es)
EP (1) EP0791245B1 (es)
JP (1) JPH10513018A (es)
KR (1) KR100390387B1 (es)
CN (1) CN1089506C (es)
AU (1) AU4680396A (es)
CA (1) CA2204873A1 (es)
DE (1) DE69526447T2 (es)
ES (1) ES2176361T3 (es)
FI (1) FI971888A0 (es)
SE (1) SE503688C2 (es)
WO (1) WO1996015592A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6738855B1 (en) 2000-01-14 2004-05-18 National Semiconductor Corporation Communication interface between a TTL microcontroller and a RS232 Device avoiding level translation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103572A (nl) * 1981-07-29 1983-02-16 Philips Nv Drijverschakeling.
FR2577737B1 (fr) * 1985-02-15 1987-04-17 Thomson Csf Circuit d'interface de ligne d'abonne telephonique avec mode de veille a puissance reduite
IT1215254B (it) * 1985-03-20 1990-01-31 Ates Componenti Elettron Circuito, integrabile monoliticamente, per la misura di correnti longitudinali e trasversali in una linea ditrasmissione bifilare.
US4841175A (en) * 1987-01-23 1989-06-20 Siemens Aktiengesellschaft ECL-compatible input/output circuits in CMOS technology
NL9001966A (nl) * 1990-09-06 1992-04-01 Philips Nv Versterkerschakeling.
JPH0595231A (ja) * 1991-10-03 1993-04-16 Nec Corp 出力回路
EP0622943B1 (en) * 1993-04-30 2001-09-12 STMicroelectronics S.r.l. Power management circuit for a subscriber line interface circuit
SE501975C2 (sv) * 1993-11-09 1995-07-03 Ericsson Telefon Ab L M Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning
US5649009A (en) * 1994-11-14 1997-07-15 Harris Corporation Differential longitudinal amplifier for a subscriber line interface circuit

Also Published As

Publication number Publication date
KR100390387B1 (ko) 2003-08-30
AU4680396A (en) 1996-06-06
FI971888A7 (fi) 1997-05-02
CN1089506C (zh) 2002-08-21
DE69526447D1 (de) 2002-05-23
DE69526447T2 (de) 2002-09-19
CN1165597A (zh) 1997-11-19
SE9403875L (sv) 1996-05-11
WO1996015592A1 (en) 1996-05-23
SE9403875D0 (sv) 1994-11-10
FI971888L (fi) 1997-05-02
EP0791245A1 (en) 1997-08-27
HK1007069A1 (en) 1999-04-01
CA2204873A1 (en) 1996-05-23
US5901221A (en) 1999-05-04
JPH10513018A (ja) 1998-12-08
EP0791245B1 (en) 2002-04-17
ES2176361T3 (es) 2002-12-01
FI971888A0 (fi) 1997-05-02

Similar Documents

Publication Publication Date Title
SE503688C2 (sv) Drivsteg
SE9403876L (sv) Automatisk omkopplingsanordning
KR870000077B1 (ko) 교환국으로부터 가입자 전화기에의 전류공급장치
SE512170C2 (sv) Förfarande och anordning för val av matningsspänning
US3008092A (en) Transistor amplifiers
US2494397A (en) Electric generating system
US3974436A (en) Circuit arrangement for an electric melting furnace
GB2130404A (en) Apparatus for supplying an electrical load with a high dc voltage
JP2632909B2 (ja) 電解コンデンサのエージング装置
KR880700536A (ko) 복합오디오 증폭기
SU802101A1 (ru) Устройство дл регулировани НАпР жЕНи
SU1107274A1 (ru) Усилитель мощности дл электрогидропривода
SU679964A1 (ru) Способ питани ,по меньшей мере, двух нагрузок посто нным стабилизированным напр жением
SU896731A1 (ru) Устройство дл программного пуска электропривода конвейера
SU1024528A1 (ru) Устройство дл автоматического управлени работой электролизера
SU662383A1 (ru) Устройство дл регулировани скорости т гового электродвигател посто нного тока
JP3717607B2 (ja) 利得可変増幅装置
US3384808A (en) D. c. voltage regulator with resistive restarting means
SU1163456A1 (ru) Многодвигательный электропривод прокатного стана
SU944035A1 (ru) Устройство дл двухзонного управлени полем электродвигател посто нного тока
SU1184065A1 (ru) Многодвигательный электропривод
SU746471A2 (ru) Компенсационный стабилизатор напр жени посто нного тока
SU1515152A1 (ru) Стабилизирующий источник вторичного электропитани
SU936320A1 (ru) Устройство дл управлени электроприводом посто нного тока
SU883882A2 (ru) Система электропитани посто нного напр жени

Legal Events

Date Code Title Description
NUG Patent has lapsed