NL7810504A - Voedingsbrug voor een abonneestroomloop. - Google Patents

Voedingsbrug voor een abonneestroomloop. Download PDF

Info

Publication number
NL7810504A
NL7810504A NL7810504A NL7810504A NL7810504A NL 7810504 A NL7810504 A NL 7810504A NL 7810504 A NL7810504 A NL 7810504A NL 7810504 A NL7810504 A NL 7810504A NL 7810504 A NL7810504 A NL 7810504A
Authority
NL
Netherlands
Prior art keywords
signal
voltage
power supply
supply
terminals
Prior art date
Application number
NL7810504A
Other languages
English (en)
Dutch (nl)
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
Priority to NL7810504A priority Critical patent/NL7810504A/nl
Priority to FR7924174A priority patent/FR2439519A1/fr
Priority to JP54133062A priority patent/JPS5912065B2/ja
Priority to AU51888/79A priority patent/AU5188879A/en
Priority to CA000337849A priority patent/CA1138140A/en
Priority to IT26572/79A priority patent/IT1123890B/it
Priority to GB7936047A priority patent/GB2034557B/en
Priority to DE2941981A priority patent/DE2941981C2/de
Priority to SE7908577A priority patent/SE434790B/sv
Priority to BE0/197711A priority patent/BE879495A/fr
Publication of NL7810504A publication Critical patent/NL7810504A/nl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/001Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Confectionery (AREA)
  • Amplifiers (AREA)
NL7810504A 1978-10-20 1978-10-20 Voedingsbrug voor een abonneestroomloop. NL7810504A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL7810504A NL7810504A (nl) 1978-10-20 1978-10-20 Voedingsbrug voor een abonneestroomloop.
FR7924174A FR2439519A1 (fr) 1978-10-20 1979-09-28 Pont d'alimentation pour ligne d'abonne
JP54133062A JPS5912065B2 (ja) 1978-10-20 1979-10-17 電話加入者ライン回路用伝送ブリツジ
AU51888/79A AU5188879A (en) 1978-10-20 1979-10-17 Transmission bridge for a telephone subscribers line circuit
CA000337849A CA1138140A (en) 1978-10-20 1979-10-17 Transmission bridge for a telephone subscriber's line circuit
IT26572/79A IT1123890B (it) 1978-10-20 1979-10-17 Ponte di trasmissione per un circuito di linea di utenze telefoniche
GB7936047A GB2034557B (en) 1978-10-20 1979-10-17 Transmission bridge for telephone subscriber's line circuit
DE2941981A DE2941981C2 (de) 1978-10-20 1979-10-17 Speisebrücke für einen Teilnehmerstromkreis
SE7908577A SE434790B (sv) 1978-10-20 1979-10-17 Transmissionsbrygga for en telefonabonnentlinjekrets
BE0/197711A BE879495A (fr) 1978-10-20 1979-10-18 Pont d'alimentation pour ligne d'abonne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7810504 1978-10-20
NL7810504A NL7810504A (nl) 1978-10-20 1978-10-20 Voedingsbrug voor een abonneestroomloop.

Publications (1)

Publication Number Publication Date
NL7810504A true NL7810504A (nl) 1980-04-22

Family

ID=19831748

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7810504A NL7810504A (nl) 1978-10-20 1978-10-20 Voedingsbrug voor een abonneestroomloop.

Country Status (10)

Country Link
JP (1) JPS5912065B2 (de)
AU (1) AU5188879A (de)
BE (1) BE879495A (de)
CA (1) CA1138140A (de)
DE (1) DE2941981C2 (de)
FR (1) FR2439519A1 (de)
GB (1) GB2034557B (de)
IT (1) IT1123890B (de)
NL (1) NL7810504A (de)
SE (1) SE434790B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551670A (en) * 1984-04-19 1985-11-05 At&T Bell Laboratories Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883300C (de) * 1945-03-21 1953-07-16 Aeg Waehlereinrichtung mit Zusaetzen zur Stromversorgung fuer Sprechstellen, die mit Verstaerkern ausgeruestet sind
GB1070901A (en) * 1963-01-03 1967-06-07 Post Office Improvements in or relating to telephone exchange systems
BE793240A (fr) * 1971-12-27 1973-04-16 Western Electric Co Coupleur a perte d'insertion reduite
US4007335A (en) * 1975-11-12 1977-02-08 Bell Telephone Laboratories, Incorporated Telephone line battery feed circuit

Also Published As

Publication number Publication date
GB2034557B (en) 1982-12-01
GB2034557A (en) 1980-06-04
CA1138140A (en) 1982-12-21
AU5188879A (en) 1980-04-24
BE879495A (fr) 1980-04-18
IT1123890B (it) 1986-04-30
SE7908577L (sv) 1980-04-21
SE434790B (sv) 1984-08-13
JPS5556755A (en) 1980-04-25
FR2439519A1 (fr) 1980-05-16
DE2941981A1 (de) 1980-04-30
DE2941981C2 (de) 1983-04-21
IT7926572A0 (it) 1979-10-17
JPS5912065B2 (ja) 1984-03-21

Similar Documents

Publication Publication Date Title
EP0557032B1 (de) Pulsweitenmodulator für Klasse-D Verstärker
KR100299710B1 (ko) 대향된 전류 전력변환기 및 그 작동방법
US3675145A (en) Amplifier with matched input and output
JP2008537249A (ja) 電源システム
WO1982002134A1 (en) Pulse width modulated voltage converter for generating a preferably sinusoidal alternating voltage
US6922101B2 (en) Phase shift modulation class D amplifier
JPS58146116A (ja) 電子利得制御装置
US7408392B2 (en) PWM-to-voltage converter circuit and method
IT202000004159A1 (it) Convertitore tensione-corrente, dispositivo e procedimento corrispondenti
NL7810086A (nl) Voedingsbrug voor een abonneestroomloop.
KR102577482B1 (ko) 확성기용 전류 검출 회로
JPS6251302A (ja) 増幅器の出力端に接続されている負荷を有する回路装置
NL7810504A (nl) Voedingsbrug voor een abonneestroomloop.
KR940003086B1 (ko) D/a 컨버터
JP7357293B2 (ja) 増幅回路
US3748588A (en) Impedance-matched amplifiers
JP2012104991A (ja) マイクロホンおよびマイクロホン装置
NL8001410A (nl) Versterkerschakeling.
ATE407475T1 (de) Vollsymmetrischer verstärker mit variabler verstärkung und mehrdimensionaler verstärker- anordnung
JP2004260396A (ja) 前置増幅回路およびそれを用いた光受信装置
NL7807531A (nl) Inrichting voor het toevoeren van een signaal aan een transmissielijn.
JPH09504938A (ja) ディジタル的に可変の相互コンダクタンスを有する相互コンダクタンス増幅器並びに可変利得段及びこのような可変利得段を具える自動利得制御回路
RU2034396C1 (ru) Двухтактный усилитель мощности
KR870000630B1 (ko) 펄스 폭 변조 전압변환기
NL7807706A (nl) Voedingsbrug met d.c.-compensatie voor beide richtin- gen van de voedingstroom.

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
BI The patent application has been withdrawn