DE1286075B - Gleichstromgespeister Wechselstromgenerator, insbesondere zur Erzeugung von Wechselstromzeichen bestimmter Frequenz in Fernsprechanlagen - Google Patents

Gleichstromgespeister Wechselstromgenerator, insbesondere zur Erzeugung von Wechselstromzeichen bestimmter Frequenz in Fernsprechanlagen

Info

Publication number
DE1286075B
DE1286075B DEI30832A DEI0030832A DE1286075B DE 1286075 B DE1286075 B DE 1286075B DE I30832 A DEI30832 A DE I30832A DE I0030832 A DEI0030832 A DE I0030832A DE 1286075 B DE1286075 B DE 1286075B
Authority
DE
Germany
Prior art keywords
alternating current
voltage
generator
transistor
transistors
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.)
Pending
Application number
DEI30832A
Other languages
German (de)
English (en)
Inventor
Ekloev David
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE1286075B publication Critical patent/DE1286075B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
DEI30832A 1965-05-24 1966-05-14 Gleichstromgespeister Wechselstromgenerator, insbesondere zur Erzeugung von Wechselstromzeichen bestimmter Frequenz in Fernsprechanlagen Pending DE1286075B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE672965 1965-05-24

Publications (1)

Publication Number Publication Date
DE1286075B true DE1286075B (de) 1969-01-02

Family

ID=20269456

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI30832A Pending DE1286075B (de) 1965-05-24 1966-05-14 Gleichstromgespeister Wechselstromgenerator, insbesondere zur Erzeugung von Wechselstromzeichen bestimmter Frequenz in Fernsprechanlagen

Country Status (3)

Country Link
BE (1) BE681478A (en)van)
DE (1) DE1286075B (en)van)
NL (1) NL6607020A (en)van)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
NL6607020A (en)van) 1966-11-25
BE681478A (en)van) 1966-11-24

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