GB708366A - Improvements in or relating to time base deflection amplifier circuits - Google Patents

Improvements in or relating to time base deflection amplifier circuits

Info

Publication number
GB708366A
GB708366A GB2832451A GB2832451A GB708366A GB 708366 A GB708366 A GB 708366A GB 2832451 A GB2832451 A GB 2832451A GB 2832451 A GB2832451 A GB 2832451A GB 708366 A GB708366 A GB 708366A
Authority
GB
United Kingdom
Prior art keywords
time constant
circuits
negative feedback
primary
wave
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
GB2832451A
Inventor
Leonard Reginald Joffr Johnson
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.)
English Electric Co Ltd
Original Assignee
English 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Priority to GB2832451A priority Critical patent/GB708366A/en
Publication of GB708366A publication Critical patent/GB708366A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/39—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier
    • H03K4/43—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses

Abstract

708,366. Saw-tooth generating circuits; valve amplifying circuits. ENGLISH ELECTRIC CO., Ltd. Aug. 5, 1952 [Dec. 3, 1951], No. 28324/51. Class 40 (6) The output transformer of a saw tooth wave amplifier has two tertiary windings connected in series opposition and which respectively apply positive and negative feedback through time constant circuits to correct distortion in the output wave. The correcting networks shown are integrating circuits, that in the positive feedback path having a time constant equal to that of the reflected load resistance of the deflecting coils and primary inductance of the transformer and that in the negative feedback circuit having a time constant equal to that of the deflector coil inductance and resistance including the secondary leakage inductance and loss resistane of the transformer. A primary-tertiary turns ratio of 1:1 may be used and the negative feedback at low frequencies should be equal to the positive feedback to ensure stability. As the negative feedback is such as to increase the output impedance of the amplifier it is unnecessary to add a negative pulse to the input wave during the flyback. The time constant of the primary inductance and effective primary load resistance should be greater than half a period of the wave.
GB2832451A 1951-12-03 1951-12-03 Improvements in or relating to time base deflection amplifier circuits Expired GB708366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2832451A GB708366A (en) 1951-12-03 1951-12-03 Improvements in or relating to time base deflection amplifier circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2832451A GB708366A (en) 1951-12-03 1951-12-03 Improvements in or relating to time base deflection amplifier circuits

Publications (1)

Publication Number Publication Date
GB708366A true GB708366A (en) 1954-05-05

Family

ID=10273860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2832451A Expired GB708366A (en) 1951-12-03 1951-12-03 Improvements in or relating to time base deflection amplifier circuits

Country Status (1)

Country Link
GB (1) GB708366A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851632A (en) * 1954-03-27 1958-09-09 Philips Corp Circuit for producing sawtooth currents in the vertical deflection coils of television receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851632A (en) * 1954-03-27 1958-09-09 Philips Corp Circuit for producing sawtooth currents in the vertical deflection coils of television receivers

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