IT1244143B - Circuito survoltore devoltore. - Google Patents

Circuito survoltore devoltore.

Info

Publication number
IT1244143B
IT1244143B IT02180690A IT2180690A IT1244143B IT 1244143 B IT1244143 B IT 1244143B IT 02180690 A IT02180690 A IT 02180690A IT 2180690 A IT2180690 A IT 2180690A IT 1244143 B IT1244143 B IT 1244143B
Authority
IT
Italy
Prior art keywords
turning device
device circuit
circuit
turning
Prior art date
Application number
IT02180690A
Other languages
English (en)
Other versions
IT9021806A0 (it
IT9021806A1 (it
Inventor
Giuseppe Cimador
Paolo Prestifilippo
Original Assignee
Italtel 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 Italtel Spa filed Critical Italtel Spa
Priority to IT02180690A priority Critical patent/IT1244143B/it
Publication of IT9021806A0 publication Critical patent/IT9021806A0/it
Priority to PCT/EP1991/001962 priority patent/WO1992007414A1/en
Publication of IT9021806A1 publication Critical patent/IT9021806A1/it
Application granted granted Critical
Publication of IT1244143B publication Critical patent/IT1244143B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • 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
    • H04M19/008—Using DC/DC converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Dc-Dc Converters (AREA)
  • Centrifugal Separators (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
IT02180690A 1990-10-19 1990-10-19 Circuito survoltore devoltore. IT1244143B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT02180690A IT1244143B (it) 1990-10-19 1990-10-19 Circuito survoltore devoltore.
PCT/EP1991/001962 WO1992007414A1 (en) 1990-10-19 1991-10-12 Buck-boost converter circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02180690A IT1244143B (it) 1990-10-19 1990-10-19 Circuito survoltore devoltore.

Publications (3)

Publication Number Publication Date
IT9021806A0 IT9021806A0 (it) 1990-10-19
IT9021806A1 IT9021806A1 (it) 1992-04-19
IT1244143B true IT1244143B (it) 1994-07-08

Family

ID=11187104

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02180690A IT1244143B (it) 1990-10-19 1990-10-19 Circuito survoltore devoltore.

Country Status (2)

Country Link
IT (1) IT1244143B (it)
WO (1) WO1992007414A1 (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090078B (en) * 1977-09-28 1983-02-02 California Inst Of Techn Dc-to-dc switching converter
EP0087593B1 (de) * 1982-02-25 1987-01-21 Siemens Aktiengesellschaft Schaltungsanordnung für Fernmeldeanlagen, insbesondere für Fernsprechvermittlungsanlagen
NL8601774A (nl) * 1986-07-08 1988-02-01 Philips Nv Dc-voedingsinrichting voor een telecommunicatieleiding.

Also Published As

Publication number Publication date
IT9021806A0 (it) 1990-10-19
WO1992007414A1 (en) 1992-04-30
IT9021806A1 (it) 1992-04-19

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971020