GB769169A - Improvements in or relating to thermionic tube circuit arrangements - Google Patents

Improvements in or relating to thermionic tube circuit arrangements

Info

Publication number
GB769169A
GB769169A GB1389755A GB1389755A GB769169A GB 769169 A GB769169 A GB 769169A GB 1389755 A GB1389755 A GB 1389755A GB 1389755 A GB1389755 A GB 1389755A GB 769169 A GB769169 A GB 769169A
Authority
GB
United Kingdom
Prior art keywords
cathode
flop
flip
voltage
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
GB1389755A
Inventor
Gerald Offley Crowther
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.)
Mullard Radio Valve Co Ltd
Original Assignee
Mullard Radio Valve 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 Mullard Radio Valve Co Ltd filed Critical Mullard Radio Valve Co Ltd
Priority to GB1389755A priority Critical patent/GB769169A/en
Priority to FR1149393D priority patent/FR1149393A/en
Publication of GB769169A publication Critical patent/GB769169A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • X-Ray Techniques (AREA)

Abstract

769,169. Pulse amplifying circuits. MULLARD RADIO VALVE CO., Ltd. May 13, 1955. No. 13897/55. Class 40(6) The Figure shows a cathode-follower stage 1 in which when a negative-going step-wave is applied at input 5 to its control grid the fall in voltage at the cathode is limited by the time constant of the network 9, 10 where 10 is the stray capacitance associated with the cathode load resistor 9. Discharge-tubes 12 and 19 form a conventional flip-flop circuit in which in the stable state, tube 12 is cut-off and tube 19 conducting. When a negative pulse is applied at input 5 a negative voltage is produced across resistor 9 and stray capacitance 10 commences to discharge, simultaneously the flip-flop is triggered to its unstable state by the voltage across load 9 so that tube 12 conducts and passes a substantial current to discharge stray capacitance 10. Preferably the fall of voltage is such that cathode 8 just follows grid 4. After a period determined by the constants of the circuit the flip-flop reverts to its stable state and the circuit is ready to receive a further input signal. Instead of a flip-flop a trigger circuit based on the blocking oscillator or transitron may be used. Specification 708,169 [Group XXXV] is referred to.
GB1389755A 1955-05-13 1955-05-13 Improvements in or relating to thermionic tube circuit arrangements Expired GB769169A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1389755A GB769169A (en) 1955-05-13 1955-05-13 Improvements in or relating to thermionic tube circuit arrangements
FR1149393D FR1149393A (en) 1955-05-13 1956-05-11 Device comprising a high frequency tube controlled by the grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1389755A GB769169A (en) 1955-05-13 1955-05-13 Improvements in or relating to thermionic tube circuit arrangements

Publications (1)

Publication Number Publication Date
GB769169A true GB769169A (en) 1957-02-27

Family

ID=10031367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1389755A Expired GB769169A (en) 1955-05-13 1955-05-13 Improvements in or relating to thermionic tube circuit arrangements

Country Status (2)

Country Link
FR (1) FR1149393A (en)
GB (1) GB769169A (en)

Also Published As

Publication number Publication date
FR1149393A (en) 1957-12-24

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