DK156796C - Kobling med en forstaerker, efter hvilken er indkoblet indgangsimpedansen af en transformator - Google Patents

Kobling med en forstaerker, efter hvilken er indkoblet indgangsimpedansen af en transformator

Info

Publication number
DK156796C
DK156796C DK236581A DK236581A DK156796C DK 156796 C DK156796 C DK 156796C DK 236581 A DK236581 A DK 236581A DK 236581 A DK236581 A DK 236581A DK 156796 C DK156796 C DK 156796C
Authority
DK
Denmark
Prior art keywords
impedance
amplifier
feedback
magnitude
input
Prior art date
Application number
DK236581A
Other languages
English (en)
Other versions
DK156796B (da
DK236581A (da
Inventor
Werner Baudisch
Original Assignee
Ant Nachrichtentech
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 Ant Nachrichtentech filed Critical Ant Nachrichtentech
Publication of DK236581A publication Critical patent/DK236581A/da
Publication of DK156796B publication Critical patent/DK156796B/da
Application granted granted Critical
Publication of DK156796C publication Critical patent/DK156796C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H04R3/08—Circuits for transducers for correcting frequency response of electromagnetic transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/38—Positive-feedback circuit arrangements without negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/28—Impedance matching networks
    • H03H11/30—Automatic matching of source impedance to load impedance

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Table Devices Or Equipment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Networks Using Active Elements (AREA)
DK236581A 1980-05-31 1981-05-29 Kobling med en forstaerker, efter hvilken er indkoblet indgangsimpedansen af en transformator DK156796C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3021007 1980-05-31
DE3021007A DE3021007C2 (de) 1980-05-31 1980-05-31 Schaltungsanordnung mit Verstärker und Übertrager

Publications (3)

Publication Number Publication Date
DK236581A DK236581A (da) 1981-12-01
DK156796B DK156796B (da) 1989-10-02
DK156796C true DK156796C (da) 1990-02-19

Family

ID=6103853

Family Applications (1)

Application Number Title Priority Date Filing Date
DK236581A DK156796C (da) 1980-05-31 1981-05-29 Kobling med en forstaerker, efter hvilken er indkoblet indgangsimpedansen af en transformator

Country Status (4)

Country Link
EP (1) EP0041472B1 (da)
AT (1) ATE10693T1 (da)
DE (2) DE3021007C2 (da)
DK (1) DK156796C (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326494A1 (de) * 1983-07-22 1985-01-31 Burkhard Dipl.-Ing. 2000 Hamburg Dick Kontrolle der membranbewegung des dynamischen lautsprechers durch ein verbessertes netzwerk zur nachbildung seiner eingangsimpedanz
DE3570337D1 (en) * 1984-03-21 1989-06-22 Studer Willi Ag Amplifier circuit
DE3679373D1 (de) * 1985-10-07 1991-06-27 Studer Revox Ag Signalwandler.
DE4243344A1 (de) * 1992-12-21 1994-06-23 Werkstaette Fuer Studio Techni Schaltungsanordnung
CN113848421B (zh) * 2021-09-15 2024-04-19 国网安徽省电力有限公司电力科学研究院 一种考虑变压器阻抗电压降落的电压暂降获取方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134080A (en) * 1962-10-29 1964-05-19 Northern Electric Co Hybrid feedback amplifier
DE2235664A1 (de) * 1972-07-20 1974-01-31 Max Planck Gesellschaft Schaltungsanordnung zur kompensation des spannungsabfalls an einem lautsprecher
CA982055A (en) * 1972-09-11 1976-01-20 Toshiyuki Goto Sound reproducing system
DE2420689C3 (de) * 1974-04-29 1984-09-20 Arndt 7500 Karlsruhe Klingelnberg Verfahren und Anordnung zur Verbesserung der Eigenschaften elektrodynamischer Wandler durch Bewegungsgegenkopplung
DE2711520C3 (de) * 1976-03-16 1979-08-02 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Belastungsschaltung für eine Signalquelle
SE398287B (sv) * 1976-03-24 1977-12-12 Stahl Karl Erik Forfarande for forbettring av ett elektrodynamiskt hogtalarelements basatergivning, samt anordning for utforande av forfarandet
DE2641581C3 (de) * 1976-09-13 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Spannungsmeßeinrichtung für Hochspannungen
JPS5951771B2 (ja) * 1977-11-04 1984-12-15 ヤマハ株式会社 パワ−アンプ
DE2901567C2 (de) * 1979-01-13 1982-09-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung mit Verstärker mit Ausgangsübertrager

Also Published As

Publication number Publication date
DE3167569D1 (en) 1985-01-17
DE3021007A1 (de) 1981-12-10
DK156796B (da) 1989-10-02
DE3021007C2 (de) 1984-05-17
DK236581A (da) 1981-12-01
EP0041472B1 (de) 1984-12-05
EP0041472A1 (de) 1981-12-09
ATE10693T1 (de) 1984-12-15

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Legal Events

Date Code Title Description
PBP Patent lapsed