GB1148146A - Monostable multivibrator circuit - Google Patents

Monostable multivibrator circuit

Info

Publication number
GB1148146A
GB1148146A GB3210767A GB3210767A GB1148146A GB 1148146 A GB1148146 A GB 1148146A GB 3210767 A GB3210767 A GB 3210767A GB 3210767 A GB3210767 A GB 3210767A GB 1148146 A GB1148146 A GB 1148146A
Authority
GB
United Kingdom
Prior art keywords
transistor
capacitor
pulse
duration
circuit
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.)
Expired
Application number
GB3210767A
Inventor
Hans Schnabel
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.)
STARKSTROM ANLAGENBAU ERFURT
Original Assignee
STARKSTROM ANLAGENBAU ERFURT
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 STARKSTROM ANLAGENBAU ERFURT filed Critical STARKSTROM ANLAGENBAU ERFURT
Publication of GB1148146A publication Critical patent/GB1148146A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K3/284—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 monostable

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)

Abstract

1,148,146. Transistor monostable circuits. STARKSTROM-ANLAGENBAU ERFURT VEB. 12 July, 1967, No. 32107/67. Heading H3T. A monostable multivibrator comprises a pair of cross-coupled transistors 1, 3 and a timing circuit connected to the output electrode of transistor 1; the timing circuit including a capacitor 2, means 9 for presetting the duration of an output pulse, and temperature compensation means for maintaining the preset pulse duration by controlling the charge stored on capacitor 2 during the stable period of the multivibrator. In the stable state, transistor 1 is non-conductive, transistor 3 is conductive and capacitor 2 is charged in the circuit 12, 14, 2, 10, 11. A negative input signal at E to transistor 1 triggers the circuit, cutting off diode 10 and transistor 3 and switching on transistor 1. Capacitor 2 then discharges through the path 8, 9, 2 and transistor 1 to deliver a negative pulse at A, until diode 10 again becomes conductive so that the circuit returns to its stable state. The pulse duration is controlled by adjustable resistor 9. A negative temperature coefficient resistor 16 controls the conductivity of transistor 17 and hence the potential at the junction of capacitor 2 and resistor 14 and to which capacitor 2 charges during the stable period. Zener diode 13 stabilizes this potential against source potential variations. Potentiometer 14 permits adjustment of the temperature compensation to provide optimum conditions, or for compensating for temperature variations in preceding or succeeding circuitry, so that the duration of the pulse at the output of the overall system is maintained.
GB3210767A 1967-05-31 1967-07-12 Monostable multivibrator circuit Expired GB1148146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967V0033750 DE1297658B (en) 1967-05-31 1967-05-31 Monostable multivibrator circuit with temperature compensation

Publications (1)

Publication Number Publication Date
GB1148146A true GB1148146A (en) 1969-04-10

Family

ID=7588343

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3210767A Expired GB1148146A (en) 1967-05-31 1967-07-12 Monostable multivibrator circuit

Country Status (2)

Country Link
DE (1) DE1297658B (en)
GB (1) GB1148146A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737587A (en) * 1955-03-07 1956-03-06 Gen Dynamics Corp Transistor multivibrator
DE1099581B (en) * 1959-06-23 1961-02-16 Siemens Ag Circuit arrangement for reducing the influence of temperature on the breakover time of monostable breakdown circuits
FR1266140A (en) * 1959-08-26 1961-07-07 Ibm Univibrator
DE1126919B (en) * 1960-08-29 1962-04-05 Siemens Ag Multivibrator trigger circuit with transistors
NL280606A (en) * 1961-07-12
DE1215749B (en) * 1963-04-19 1966-05-05 Licentia Gmbh Monostable multivibrator
DE1205139B (en) * 1963-09-19 1965-11-18 Siemens Ag Multivibrator with adjustable pulse duration of the output pulses
DE1220889B (en) * 1964-09-26 1966-07-14 Siemens Ag Monostable multivibrator circuit

Also Published As

Publication number Publication date
DE1297658B (en) 1969-06-19

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