DE2351103B2 - Impulsgenerator - Google Patents

Impulsgenerator

Info

Publication number
DE2351103B2
DE2351103B2 DE19732351103 DE2351103A DE2351103B2 DE 2351103 B2 DE2351103 B2 DE 2351103B2 DE 19732351103 DE19732351103 DE 19732351103 DE 2351103 A DE2351103 A DE 2351103A DE 2351103 B2 DE2351103 B2 DE 2351103B2
Authority
DE
Germany
Prior art keywords
transistor
integrator
resistor
pulse generator
output
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
DE19732351103
Other languages
German (de)
English (en)
Other versions
DE2351103A1 (de
Inventor
Gösta Ingemar; Sandlin AIf Einar Dipl.-Ing.; Steen Öyvind; Tyresö FaIk (Schweden)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE2351103A1 publication Critical patent/DE2351103A1/de
Publication of DE2351103B2 publication Critical patent/DE2351103B2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2826—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type
    • H03K3/2828—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type in an asymmetrical circuit configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Manipulation Of Pulses (AREA)
  • Emergency Alarm Devices (AREA)
DE19732351103 1972-10-09 1973-10-09 Impulsgenerator Granted DE2351103B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1300572 1972-10-09

Publications (2)

Publication Number Publication Date
DE2351103A1 DE2351103A1 (de) 1974-04-25
DE2351103B2 true DE2351103B2 (de) 1976-10-21

Family

ID=20296667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732351103 Granted DE2351103B2 (de) 1972-10-09 1973-10-09 Impulsgenerator

Country Status (3)

Country Link
CH (1) CH567838A5 (enExample)
DE (1) DE2351103B2 (enExample)
NO (1) NO131911C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066879A1 (de) * 1981-06-05 1982-12-15 Hekatron GmbH Schaltungsanordnung zur Übertragung von Messwerten, insbesondere in einem Brandmeldesystem zu einer Zentrale
DE3122474A1 (de) * 1981-06-05 1982-12-23 Hekatron GmbH, 7811 Sulzburg "schaltungsanordnung zur uebertragung von messwerten, insbesondere in einem brandmeldesystem, zu einer zentrale"

Also Published As

Publication number Publication date
NO131911B (enExample) 1975-05-12
NO131911C (enExample) 1975-08-20
DE2351103A1 (de) 1974-04-25
CH567838A5 (enExample) 1975-10-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee