GB708305A - Improvements relating to electrical pulse-generating circuits - Google Patents

Improvements relating to electrical pulse-generating circuits

Info

Publication number
GB708305A
GB708305A GB2315851A GB2315851A GB708305A GB 708305 A GB708305 A GB 708305A GB 2315851 A GB2315851 A GB 2315851A GB 2315851 A GB2315851 A GB 2315851A GB 708305 A GB708305 A GB 708305A
Authority
GB
United Kingdom
Prior art keywords
pulse
valve
valves
resistor
conductive
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
GB2315851A
Inventor
Herbert Forshaw Moss
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical 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 Metropolitan Vickers Electrical Co Ltd filed Critical Metropolitan Vickers Electrical Co Ltd
Priority to GB2315851A priority Critical patent/GB708305A/en
Publication of GB708305A publication Critical patent/GB708305A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
    • 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
    • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
    • H03K3/16—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using a transformer for feedback, e.g. blocking oscillator with saturable core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

708,305. Pulse generating circuits. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Aug. 28, 1952 [Oct. 4, 1951], No. 23158/51. Class 40 (6) A pulse generator comprises a pair of normally non-conductive valves which are reciprocally coupled by means of transformers between anodes and control grids so that when a triggering pulse is applied both valves conduct heavily to produce a steep-fronted output pulse across a resistor connected in series with one of the valves. The Figure shows a pulse generator circuit comprising reciprocally-coupled valves V2, V3 which are normally non-conductive. When a positivegoing triggering pulse is applied at IN via stage V1 to the anode of valve V3 the negative pulse thus produced causes a current flow in the primary winding of transformer T2 and a positive pulse at the grid of valve V2. Valve V2 is thus rendered conducting and due to the regenerative action of transformers T1, T2 both valves V2, V3 conduct heavily to produce a positive output pulse across resistor R2. After a period when the current flows have reached saturation capacitor C2 becomes charged negatively to cut-off valve V3 at its control grid thus terminating the pulse. When capacitor C2 has discharged through resistor R1 the circuit is re-set in preparation for the reception of a further triggering pulse. The positive pulse generated across resistor R2 is applied to render valve V4 conductive, the fall in its anode potential driving the cathode of valve V5 negative to cause this valve to conduct and generate a pulse by reflection in delay line TL which may be derived from the terminal OUT. The control-grid of valve V5 is clamped by its connection to resistor R5 in the cathode circuit of the constant current pentode V6.
GB2315851A 1951-10-04 1951-10-04 Improvements relating to electrical pulse-generating circuits Expired GB708305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2315851A GB708305A (en) 1951-10-04 1951-10-04 Improvements relating to electrical pulse-generating circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2315851A GB708305A (en) 1951-10-04 1951-10-04 Improvements relating to electrical pulse-generating circuits

Publications (1)

Publication Number Publication Date
GB708305A true GB708305A (en) 1954-05-05

Family

ID=10191098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2315851A Expired GB708305A (en) 1951-10-04 1951-10-04 Improvements relating to electrical pulse-generating circuits

Country Status (1)

Country Link
GB (1) GB708305A (en)

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