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GB899905A - Deflection amplifier - Google Patents

Deflection amplifier

Info

Publication number
GB899905A
GB899905A GB14088/61A GB1408861A GB899905A GB 899905 A GB899905 A GB 899905A GB 14088/61 A GB14088/61 A GB 14088/61A GB 1408861 A GB1408861 A GB 1408861A GB 899905 A GB899905 A GB 899905A
Authority
GB
United Kingdom
Prior art keywords
transistor
april
transistors
base
deflection
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
GB14088/61A
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB899905A publication Critical patent/GB899905A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3066—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
    • H03K4/69—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
    • H03K4/69—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier
    • H03K4/693—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier operating in push-pull, e.g. class B

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)

Abstract

899,905. Transistor pulse amplifying circuits. NATIONAL CASH REGISTER CO. April 19, 1961 [April 25, 1960], No. 14088/61. Class 40(6). In an electromagnetic deflection system for cathode ray tubes, the deflection coil L comprises the common collector circuit load of two transistors Tr1, Tr2 of complementary conductivity type. The deflection voltages are applied from source 1 to the base of transistor Tr1, in series with an adjustable bias B. Adjustable shift control is applied to the base of transistor Tr2 from potentiometer R3 across the collector supply source. The transistors are linearised by means of negative feedback provided by resistors R1, R2 in the respective emitter circuits.
GB14088/61A 1960-04-25 1961-04-19 Deflection amplifier Expired GB899905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24277A US3109122A (en) 1960-04-25 1960-04-25 Deflection amplifier

Publications (1)

Publication Number Publication Date
GB899905A true GB899905A (en) 1962-06-27

Family

ID=21819766

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14088/61A Expired GB899905A (en) 1960-04-25 1961-04-19 Deflection amplifier

Country Status (4)

Country Link
US (1) US3109122A (en)
CH (1) CH387788A (en)
DE (1) DE1141340B (en)
GB (1) GB899905A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161308B (en) * 1962-09-29 1964-01-16 Fernseh Gmbh Deflection device for cathode ray tubes
US3710171A (en) * 1970-06-08 1973-01-09 Gte Sylvania Inc Current drive deflection apparatus utilizing constant current generator
NL7412438A (en) * 1974-09-20 1976-03-23 Philips Nv CIRCUIT FOR GENERATING A DEFLECTION CURRENT THROUGH A VERTICAL DEFLECTION COIL IN AN IMAGE DISPLAY TUBE.
US4096416A (en) * 1976-11-19 1978-06-20 Rca Corporation Vertical deflection circuit with retrace switch protection

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB412182A (en) * 1932-12-19 1934-06-19 Albert Henry Mumford Improvements relating to the use of thermionic valves
FR803838A (en) * 1935-04-01 1936-10-09 Telefunken Gmbh Improvements in mounting methods for amplifier tubes
US2447507A (en) * 1946-01-16 1948-08-24 Sperry Corp Balancing circuit
US2728028A (en) * 1952-08-23 1955-12-20 Rca Corp Electron beam deflection apparatus
US2762870A (en) * 1953-05-28 1956-09-11 Rca Corp Push-pull complementary type transistor amplifier
US2839620A (en) * 1955-07-26 1958-06-17 Rca Corp Transistor amplifier circuits
US2814736A (en) * 1956-05-14 1957-11-26 Hughes Aircraft Co Linear saw-tooth wave generator
US2913625A (en) * 1958-02-10 1959-11-17 Rca Corp Transistor deflection system for television receivers
US3034013A (en) * 1958-03-19 1962-05-08 Warwick Mfg Corp Deflection circuit and amplifier therefor
NL242930A (en) * 1958-09-03

Also Published As

Publication number Publication date
CH387788A (en) 1965-02-15
DE1141340B (en) 1962-12-20
US3109122A (en) 1963-10-29

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