GB8608271D0 - Modulation circuits - Google Patents

Modulation circuits

Info

Publication number
GB8608271D0
GB8608271D0 GB868608271A GB8608271A GB8608271D0 GB 8608271 D0 GB8608271 D0 GB 8608271D0 GB 868608271 A GB868608271 A GB 868608271A GB 8608271 A GB8608271 A GB 8608271A GB 8608271 D0 GB8608271 D0 GB 8608271D0
Authority
GB
United Kingdom
Prior art keywords
modulation circuits
modulation
circuits
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.)
Withdrawn
Application number
GB868608271A
Other versions
GB2189950A (en
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.)
Williams B W
Original Assignee
Williams B W
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 Williams B W filed Critical Williams B W
Priority to GB08608271A priority Critical patent/GB2189950A/en
Publication of GB8608271D0 publication Critical patent/GB8608271D0/en
Publication of GB2189950A publication Critical patent/GB2189950A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/081—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters wherein the phase of the control voltage is adjustable with reference to the AC source
    • H02M1/082—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters wherein the phase of the control voltage is adjustable with reference to the AC source with digital control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/017—Adjustment of width or dutycycle of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
GB08608271A 1986-04-04 1986-04-04 Modulation circuits Withdrawn GB2189950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08608271A GB2189950A (en) 1986-04-04 1986-04-04 Modulation circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08608271A GB2189950A (en) 1986-04-04 1986-04-04 Modulation circuits

Publications (2)

Publication Number Publication Date
GB8608271D0 true GB8608271D0 (en) 1986-05-08
GB2189950A GB2189950A (en) 1987-11-04

Family

ID=10595692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08608271A Withdrawn GB2189950A (en) 1986-04-04 1986-04-04 Modulation circuits

Country Status (1)

Country Link
GB (1) GB2189950A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600548A (en) * 1994-08-11 1997-02-04 Sundstrand Corporation DC content control for an inverter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739846B2 (en) * 1977-09-03 1979-10-18 Danfoss A/S, Nordborg (Daenemark) Arrangement for guiding the speed of one or more slave motors depending on the pulse frequency of a leading pulse frequency generator

Also Published As

Publication number Publication date
GB2189950A (en) 1987-11-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)