CA2010004A1 - Circuit d'adaptation d'impedance - Google Patents

Circuit d'adaptation d'impedance

Info

Publication number
CA2010004A1
CA2010004A1 CA2010004A CA2010004A CA2010004A1 CA 2010004 A1 CA2010004 A1 CA 2010004A1 CA 2010004 A CA2010004 A CA 2010004A CA 2010004 A CA2010004 A CA 2010004A CA 2010004 A1 CA2010004 A1 CA 2010004A1
Authority
CA
Canada
Prior art keywords
drive transistor
matching circuit
impedance
impedance matching
input impedance
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.)
Granted
Application number
CA2010004A
Other languages
English (en)
Other versions
CA2010004C (fr
Inventor
Robert J. Disser
Richard N. Lehnhoff
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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Publication of CA2010004A1 publication Critical patent/CA2010004A1/fr
Application granted granted Critical
Publication of CA2010004C publication Critical patent/CA2010004C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/625—Regulating voltage or current  wherein it is irrelevant whether the variable actually regulated is AC or DC
    • G05F1/656—Regulating voltage or current  wherein it is irrelevant whether the variable actually regulated is AC or DC using variable impedances in series and in parallel with the load as final control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Conversion In General (AREA)
  • Networks Using Active Elements (AREA)
  • Logic Circuits (AREA)
CA002010004A 1989-08-14 1990-02-15 Circuit d'adaptation d'impedance Expired - Fee Related CA2010004C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US393,358 1989-08-14
US07/393,358 US4931707A (en) 1989-08-14 1989-08-14 Impedance matching circuit

Publications (2)

Publication Number Publication Date
CA2010004A1 true CA2010004A1 (fr) 1991-02-14
CA2010004C CA2010004C (fr) 1994-02-01

Family

ID=23554374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002010004A Expired - Fee Related CA2010004C (fr) 1989-08-14 1990-02-15 Circuit d'adaptation d'impedance

Country Status (2)

Country Link
US (1) US4931707A (fr)
CA (1) CA2010004C (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144922A (en) * 1978-05-02 1979-11-12 Tdk Corp Control system for switching power
JPS55677A (en) * 1979-01-26 1980-01-07 Hitachi Ltd Analog input device
US4276484A (en) * 1979-09-10 1981-06-30 Riveros Carlos A Method and apparatus for controlling current in inductive loads such as large diameter coils

Also Published As

Publication number Publication date
US4931707A (en) 1990-06-05
CA2010004C (fr) 1994-02-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed