FR1470526A - Circuit for converting a varying voltage to a low frequency rate - Google Patents

Circuit for converting a varying voltage to a low frequency rate

Info

Publication number
FR1470526A
FR1470526A FR51694A FR51694A FR1470526A FR 1470526 A FR1470526 A FR 1470526A FR 51694 A FR51694 A FR 51694A FR 51694 A FR51694 A FR 51694A FR 1470526 A FR1470526 A FR 1470526A
Authority
FR
France
Prior art keywords
converting
circuit
low frequency
frequency rate
varying voltage
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
FR51694A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from GB8849/65A external-priority patent/GB1076093A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR51694A priority Critical patent/FR1470526A/en
Application granted granted Critical
Publication of FR1470526A publication Critical patent/FR1470526A/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
    • H03K4/83—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
    • H03K4/835—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region using pulse-modulation techniques for the generation of the sawtooth wave, e.g. class D, switched mode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • 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
    • H03K3/313—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic
    • 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
    • H03K4/62—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 a switching device
    • H03K4/625—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 a switching device using pulse-modulation techniques for the generation of the sawtooth wave, e.g. class D, switched mode
    • 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
    • H03K4/80—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements multi-layer diodes
    • 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
    • H03K4/83—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR51694A 1965-03-02 1966-03-02 Circuit for converting a varying voltage to a low frequency rate Expired FR1470526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR51694A FR1470526A (en) 1965-03-02 1966-03-02 Circuit for converting a varying voltage to a low frequency rate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8849/65A GB1076093A (en) 1965-03-02 1965-03-02 Improvements in or relating to field time-base circuit arrangements
FR51694A FR1470526A (en) 1965-03-02 1966-03-02 Circuit for converting a varying voltage to a low frequency rate

Publications (1)

Publication Number Publication Date
FR1470526A true FR1470526A (en) 1967-02-24

Family

ID=26168949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51694A Expired FR1470526A (en) 1965-03-02 1966-03-02 Circuit for converting a varying voltage to a low frequency rate

Country Status (1)

Country Link
FR (1) FR1470526A (en)

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