NL229968A - - Google Patents

Info

Publication number
NL229968A
NL229968A NL229968DA NL229968A NL 229968 A NL229968 A NL 229968A NL 229968D A NL229968D A NL 229968DA NL 229968 A NL229968 A NL 229968A
Authority
NL
Netherlands
Application number
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.)
Publication of NL229968A publication Critical patent/NL229968A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/347Negative-feedback-circuit arrangements with or without positive feedback using transformers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/36Repeater circuits
    • H04B3/38Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NL229968D 1958-07-26 NL229968A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1131275X 1958-07-26
JP2365759A JPS37009162B1 (ja) 1958-07-26 1959-07-24

Publications (1)

Publication Number Publication Date
NL229968A true NL229968A (ja)

Family

ID=51845152

Family Applications (2)

Application Number Title Priority Date Filing Date
NL109786D NL109786C (ja) 1958-07-26
NL229968D NL229968A (ja) 1958-07-26

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL109786D NL109786C (ja) 1958-07-26

Country Status (4)

Country Link
JP (1) JPS37009162B1 (ja)
DE (1) DE1131275B (ja)
FR (1) FR1230932A (ja)
NL (2) NL229968A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503002A (en) * 1965-07-05 1970-03-24 Cesare Valfre Transistor negative impedance amplifier,stable in short circuit,particularly for telephone systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE878222C (de) * 1951-04-26 1953-06-01 Licentia Gmbh Verstaerkerschaltung mit gleichzeitiger Strom- und Spannungsgegenkopplung
DE886925C (de) * 1951-11-30 1953-08-17 Telefunken Gmbh Schaltung zur Verstaerkung elektrischer Schwingungen mit wenigstens zwei Rueckkopplungen
BE519695A (ja) * 1952-05-05
FR1086996A (fr) * 1952-11-19 1955-02-17 Western Electric Co Compensation de la largeur de bande des circuits à transistor

Also Published As

Publication number Publication date
NL109786C (ja)
FR1230932A (ja) 1960-09-21
JPS37009162B1 (ja) 1962-07-24
DE1131275B (de) 1962-06-14

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