GB201617096D0 - Hybrid switched mode amplifier - Google Patents

Hybrid switched mode amplifier

Info

Publication number
GB201617096D0
GB201617096D0 GBGB1617096.1A GB201617096A GB201617096D0 GB 201617096 D0 GB201617096 D0 GB 201617096D0 GB 201617096 A GB201617096 A GB 201617096A GB 201617096 D0 GB201617096 D0 GB 201617096D0
Authority
GB
United Kingdom
Prior art keywords
switched mode
mode amplifier
hybrid switched
hybrid
amplifier
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Withdrawn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
GBGB1617096.1A
Other versions
GB2546576A (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.)
Cirrus Logic International Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor 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
Priority claimed from US15/168,680 external-priority patent/US9985587B2/en
Priority claimed from US15/270,631 external-priority patent/US9906196B2/en
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Publication of GB201617096D0 publication Critical patent/GB201617096D0/en
Publication of GB2546576A publication Critical patent/GB2546576A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3217—Modifications of amplifiers to reduce non-linear distortion in single ended push-pull amplifiers
    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/432—Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A amplifier
GB1617096.1A 2016-01-18 2016-10-07 Hybrid switched mode amplifier Withdrawn GB2546576A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662279956P 2016-01-18 2016-01-18
US201662309068P 2016-03-16 2016-03-16
US15/168,680 US9985587B2 (en) 2016-01-18 2016-05-31 Switched mode converter with variable common mode voltage buffer
US15/270,631 US9906196B2 (en) 2016-01-18 2016-09-20 Hybrid switched mode amplifier

Publications (2)

Publication Number Publication Date
GB201617096D0 true GB201617096D0 (en) 2016-11-23
GB2546576A GB2546576A (en) 2017-07-26

Family

ID=57610679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1617096.1A Withdrawn GB2546576A (en) 2016-01-18 2016-10-07 Hybrid switched mode amplifier

Country Status (1)

Country Link
GB (1) GB2546576A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9985587B2 (en) 2016-01-18 2018-05-29 Cirrus Logic, Inc. Switched mode converter with variable common mode voltage buffer
US9906196B2 (en) 2016-01-18 2018-02-27 Cirrus Logic, Inc. Hybrid switched mode amplifier
GB2550019A (en) * 2016-03-16 2017-11-08 Cirrus Logic Int Semiconductor Ltd Prevention of switching discontinuity in a hybrid switched mode amplifier
GB2562969B (en) * 2016-03-16 2022-06-22 Cirrus Logic Int Semiconductor Ltd Prevention of switching discontinuity in a hybrid switched mode amplifier
US10090814B2 (en) 2016-03-16 2018-10-02 Cirrus Logic, Inc. Removal of switching discontinuity in a hybrid switched mode amplifier
US9929664B2 (en) 2016-03-16 2018-03-27 Cirrus Logic, Inc. Prevention of switching discontinuity in a hybrid switched mode amplifier
GB2550026A (en) * 2016-03-16 2017-11-08 Cirrus Logic Int Semiconductor Ltd Generation of voltage reference signals in a hybrid switched mode amplifier
US10461709B2 (en) 2016-12-29 2019-10-29 Cirrus Logic, Inc. Amplifier with auxiliary path for maximizing power supply rejection ratio

Also Published As

Publication number Publication date
GB2546576A (en) 2017-07-26

Similar Documents

Publication Publication Date Title
GB201613782D0 (en) Switched mode amplifier
GB2563756B (en) Hybrid switched mode amplifier
GB2544200B (en) Switched mode amplifier with single-ended buck mode
EP3430625A4 (en) Feram-dram hybrid memory
EP3456117A4 (en) Hybrid class b fd-mimo
GB201617096D0 (en) Hybrid switched mode amplifier
EP3251379A4 (en) Vehicle speaker arrangement
EP3370436A4 (en) Hybrid speaker
ZA201806723B (en) Amplifier
EP3109130A4 (en) Trolley
EP3112079A4 (en) Hybrid welder
PL3515757T3 (en) Load-path-optimized hybrid carrying structure
GB201614239D0 (en) Amplifier
EP3512569A4 (en) Improved hybrid telodendrimers
GB201416320D0 (en) Trans-impedance amplifier arrangement and control mode
EP3425796A4 (en) Amplifier
EP3319231A4 (en) Amplifier
GB201611998D0 (en) Hybrid frequency response
EP3462608A4 (en) Amplifier
EP3393609A4 (en) Hybrid snowshoe-ski
AU2017259V (en) AMPU001 Agapanthus hybrid
AU2017258V (en) ANDbin Agapanthus hybrid
AU5611P (en) Manevered Mandevilla hybrid
AU2017230V (en) Kerryn Chamelaucium hybrid
AU2017225V (en) TNKNIPR Kniphofia hybrid

Legal Events

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