GB723794A - Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage - Google Patents

Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage

Info

Publication number
GB723794A
GB723794A GB119252A GB119252A GB723794A GB 723794 A GB723794 A GB 723794A GB 119252 A GB119252 A GB 119252A GB 119252 A GB119252 A GB 119252A GB 723794 A GB723794 A GB 723794A
Authority
GB
United Kingdom
Prior art keywords
valve
voltage
load
grid
conducting
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
GB119252A
Inventor
Andrzej Kamal Kwasieborski
Peter Maurice Wright
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB119252A priority Critical patent/GB723794A/en
Publication of GB723794A publication Critical patent/GB723794A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/16—Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters
    • H02M3/18—Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters using capacitors or batteries which are alternately charged and discharged, e.g. charged in parallel and discharged in series
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/15—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using discharge tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electrotherapy Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

723,794. Pulse generating circuits; valve modulating circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BUCKING- HAM, J. Nov. 27, 1952 [Jan. 15', 1952], No. 1192/52. Class 40 (5) and 40 (6). Fig. 1 shows a circuit for supplying intermittently a smoothed D.C. voltage to a load L from an unsmoothed D.C. source. An A.C. supply is rectified in unit S and the resulting unsmoothed D.C. voltage is supplied to charge capacitor C1 through normally-conducting valves V1 and D1. Valve V2 is then rendered conducting by a voltage CV; which may be a pulse of mains or sub-multiple mains frequency, to discharge capacitor C1 through the load L. When valve V2 is conducting valve VI is cut-off by the voltage drop across resistor R1 and diode D1 is also non-conducting. The pentode valve V2 functions as a constant-current device and if required a modulating voltage may be superimposed upon the switching pulses CV. In a modification shown in Fig. 2 the valve V1 is a pentode valve the screen-grid voltage of which is derived from the voltage drop across resistor R2 which occurs during the charging and discharging of capacitor C1. Capacitor C1 discharges through valves V2 and V3 in series with the load L the control voltage CV applied to the control grid of valve V3 determines the time of discharge, the mean value of current flow through the load and it may have a modulating signal superimposed on its positive half-cycles. A D.C. restorer circuit C3, D3 ensures that the control grid voltage of valve V3 varies substantially from ground potential to the full peak-topeak amplitude of the voltage CV. The neon voltage regulator N2 passes sufficient current through resistor R3 to cut-off valve V3 when its control grid is at ground potential. The valves V2 and V3 are caused to function as constant current devices by maintaining in each a constant screen-grid-to-cathode voltage; for valve V3 neon N2 ensures the necessary stabilization and for valve V2 the stabilization is effected by neon N1 and cathode follower stage V4 which causes the screen-grid voltage of valve V2 to follow the cathode voltage changes of valve V2. The load L may comprise a magnetron oscillator used in a F.M. or C.W. radar system employing " duty-cycle " working as described in Specification 592,749.
GB119252A 1952-11-27 1952-11-27 Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage Expired GB723794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB119252A GB723794A (en) 1952-11-27 1952-11-27 Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB119252A GB723794A (en) 1952-11-27 1952-11-27 Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage

Publications (1)

Publication Number Publication Date
GB723794A true GB723794A (en) 1955-02-09

Family

ID=9717769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB119252A Expired GB723794A (en) 1952-11-27 1952-11-27 Improvements in or relating to electrical converting circuit arrangements for the production of steady direct current voltage

Country Status (1)

Country Link
GB (1) GB723794A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153167A (en) * 1983-12-28 1985-08-14 Senichi Masuda High voltage pulse generator
GB2183945A (en) * 1983-12-28 1987-06-10 Senichi Masuda High voltage pulse generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153167A (en) * 1983-12-28 1985-08-14 Senichi Masuda High voltage pulse generator
GB2183945A (en) * 1983-12-28 1987-06-10 Senichi Masuda High voltage pulse generator

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