GB1079173A - Improvements in or relating to transistor multivibrator circuits - Google Patents

Improvements in or relating to transistor multivibrator circuits

Info

Publication number
GB1079173A
GB1079173A GB1743863A GB1743863A GB1079173A GB 1079173 A GB1079173 A GB 1079173A GB 1743863 A GB1743863 A GB 1743863A GB 1743863 A GB1743863 A GB 1743863A GB 1079173 A GB1079173 A GB 1079173A
Authority
GB
United Kingdom
Prior art keywords
transistor
relating
multivibrator circuits
transistor multivibrator
stage
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
GB1743863A
Inventor
John Spencer Arnold
Roger Harold Bennion
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB1743863A priority Critical patent/GB1079173A/en
Publication of GB1079173A publication Critical patent/GB1079173A/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
    • H03K3/282—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
    • H03K3/2823—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 transistor of the same conductivity type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

1,079,173. Transistor multivibrators. AUTOMATIC TELEPHONE & ELECTRIC CO. Ltd. May 1, 1964 [May 2, 1963], No. 17438/63. Heading H3T. A transistor multivibrator has a two-stage amplifier inserted in one only of the crosscoupling paths, between the collector of one transistor and its coupling capacitor. This may prevent inequality of the two timing periods due to the loading of the output transistor. In the Figure (not shown), the additional amplifier comprises two common emitter stages in cascade, the second stage also being used as an emitter follower to feed an output transistor.
GB1743863A 1963-05-02 1963-05-02 Improvements in or relating to transistor multivibrator circuits Expired GB1079173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1743863A GB1079173A (en) 1963-05-02 1963-05-02 Improvements in or relating to transistor multivibrator circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1743863A GB1079173A (en) 1963-05-02 1963-05-02 Improvements in or relating to transistor multivibrator circuits

Publications (1)

Publication Number Publication Date
GB1079173A true GB1079173A (en) 1967-08-16

Family

ID=10095206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1743863A Expired GB1079173A (en) 1963-05-02 1963-05-02 Improvements in or relating to transistor multivibrator circuits

Country Status (1)

Country Link
GB (1) GB1079173A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268647A (en) * 1992-07-02 1994-01-12 Motorola Inc Voltage controlled oscillator using capacitor charging/discharging.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268647A (en) * 1992-07-02 1994-01-12 Motorola Inc Voltage controlled oscillator using capacitor charging/discharging.
US5341113A (en) * 1992-07-02 1994-08-23 Motorola, Inc. Voltage controlled oscillator having a 50% duty cycle
GB2268647B (en) * 1992-07-02 1996-04-10 Motorola Inc Voltage controlled oscillator

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