DD138260A1 - CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY - Google Patents

CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY

Info

Publication number
DD138260A1
DD138260A1 DD20710578A DD20710578A DD138260A1 DD 138260 A1 DD138260 A1 DD 138260A1 DD 20710578 A DD20710578 A DD 20710578A DD 20710578 A DD20710578 A DD 20710578A DD 138260 A1 DD138260 A1 DD 138260A1
Authority
DD
German Democratic Republic
Prior art keywords
circuit arrangement
wire technology
integrated amplifiers
amplifiers
integrated
Prior art date
Application number
DD20710578A
Other languages
German (de)
Other versions
DD138260B1 (en
Inventor
Bernhard Gutsche
Volker Lindemann
Original Assignee
Bernhard Gutsche
Volker Lindemann
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 Bernhard Gutsche, Volker Lindemann filed Critical Bernhard Gutsche
Priority to DD20710578A priority Critical patent/DD138260B1/en
Priority to DE19792922693 priority patent/DE2922693C2/en
Priority to RO7998202A priority patent/RO80670A/en
Priority to CU35117A priority patent/CU21084A/en
Priority to HUFE001050 priority patent/HU184627B/en
Publication of DD138260A1 publication Critical patent/DD138260A1/en
Publication of DD138260B1 publication Critical patent/DD138260B1/en

Links

Classifications

    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
DD20710578A 1978-08-03 1978-08-03 CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY DD138260B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DD20710578A DD138260B1 (en) 1978-08-03 1978-08-03 CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY
DE19792922693 DE2922693C2 (en) 1978-08-03 1979-06-02 Circuit arrangement for integrated amplifiers of two-wire technology
RO7998202A RO80670A (en) 1978-08-03 1979-07-19 MICROFON TELEPHONE AMPLIFIER CIRCUIT
CU35117A CU21084A (en) 1978-08-03 1979-08-02 Connection diagram of a builtin amplifier for bifilar's technic
HUFE001050 HU184627B (en) 1978-08-03 1979-08-02 Circuit arrangement for integrated amplifiers of two-wire technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20710578A DD138260B1 (en) 1978-08-03 1978-08-03 CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY

Publications (2)

Publication Number Publication Date
DD138260A1 true DD138260A1 (en) 1979-10-17
DD138260B1 DD138260B1 (en) 1981-10-28

Family

ID=5513890

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20710578A DD138260B1 (en) 1978-08-03 1978-08-03 CIRCUIT ARRANGEMENT FOR INTEGRATED AMPLIFIERS OF TWO-WIRE TECHNOLOGY

Country Status (5)

Country Link
CU (1) CU21084A (en)
DD (1) DD138260B1 (en)
DE (1) DE2922693C2 (en)
HU (1) HU184627B (en)
RO (1) RO80670A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762924B1 (en) * 1968-09-24 1970-09-03 Siemens Ag Circuit arrangement for a telephone microphone amplifier with an amplifier output side feed
DE2121929C3 (en) * 1971-05-04 1980-09-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Voltage stabilized transistor amplifier

Also Published As

Publication number Publication date
HU184627B (en) 1984-09-28
DD138260B1 (en) 1981-10-28
CU21084A (en) 1982-03-28
DE2922693C2 (en) 1987-03-05
RO80670A (en) 1982-12-06
DE2922693A1 (en) 1980-02-14

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Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee