GB2344237B - Digital control of class a,class ab,class b and class d amplifier output stages - Google Patents

Digital control of class a,class ab,class b and class d amplifier output stages

Info

Publication number
GB2344237B
GB2344237B GB9826034A GB9826034A GB2344237B GB 2344237 B GB2344237 B GB 2344237B GB 9826034 A GB9826034 A GB 9826034A GB 9826034 A GB9826034 A GB 9826034A GB 2344237 B GB2344237 B GB 2344237B
Authority
GB
United Kingdom
Prior art keywords
class
digital control
amplifier output
output stages
stages
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 - Fee Related
Application number
GB9826034A
Other versions
GB2344237A8 (en
GB2344237A (en
GB9826034D0 (en
Inventor
Graeme Roy Smith
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9826034A priority Critical patent/GB2344237B/en
Publication of GB9826034D0 publication Critical patent/GB9826034D0/en
Publication of GB2344237A publication Critical patent/GB2344237A/en
Publication of GB2344237A8 publication Critical patent/GB2344237A8/en
Application granted granted Critical
Publication of GB2344237B publication Critical patent/GB2344237B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3217Modifications of amplifiers to reduce non-linear distortion in single ended push-pull amplifiers
GB9826034A 1998-11-28 1998-11-28 Digital control of class a,class ab,class b and class d amplifier output stages Expired - Fee Related GB2344237B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9826034A GB2344237B (en) 1998-11-28 1998-11-28 Digital control of class a,class ab,class b and class d amplifier output stages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9826034A GB2344237B (en) 1998-11-28 1998-11-28 Digital control of class a,class ab,class b and class d amplifier output stages

Publications (4)

Publication Number Publication Date
GB9826034D0 GB9826034D0 (en) 1999-01-20
GB2344237A GB2344237A (en) 2000-05-31
GB2344237A8 GB2344237A8 (en) 2000-06-19
GB2344237B true GB2344237B (en) 2003-09-10

Family

ID=10843178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9826034A Expired - Fee Related GB2344237B (en) 1998-11-28 1998-11-28 Digital control of class a,class ab,class b and class d amplifier output stages

Country Status (1)

Country Link
GB (1) GB2344237B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2462445A (en) * 2008-08-06 2010-02-10 Kbo Dynamics Ltd Microprocessor-controlled bias adjustment in a thermionic valve audio amplifier
DE102017111524A1 (en) * 2016-05-26 2018-04-19 Tymphany Hk Limited Cost-effective DC-coupled DAC follower Low Pass Filter Headphone High Current Amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100948A (en) * 1981-06-22 1983-01-06 Telex Communications Push-pull amplifier
EP0684698A1 (en) * 1994-05-23 1995-11-29 STMicroelectronics S.r.l. Class AB output amplifier stage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100948A (en) * 1981-06-22 1983-01-06 Telex Communications Push-pull amplifier
EP0684698A1 (en) * 1994-05-23 1995-11-29 STMicroelectronics S.r.l. Class AB output amplifier stage

Also Published As

Publication number Publication date
GB2344237A8 (en) 2000-06-19
GB2344237A (en) 2000-05-31
GB9826034D0 (en) 1999-01-20

Similar Documents

Publication Publication Date Title
EP1458091A3 (en) Rail-to-rail input / output operational amplifier and method
AU3226500A (en) High-efficiency amplifier output level and burst control
AU6122298A (en) High-fidelity and high-efficiency analog amplifier combined with digital amplifier
AU3116497A (en) Subtractive amplification
GB9603826D0 (en) Audio output
EP0630104A3 (en) Microwave Doherty amplifier.
AU9484498A (en) A fully integrated amplified loudspeaker
ZA983210B (en) An amplifier circuit having a high linearity mode of operation and a high efficiency mode of operation
AU2001232162A1 (en) Sensor and sigma-delta converter
IL136578A0 (en) Digital and analog directional microphone
AU7447696A (en) Class d hearing aid amplifier with feedback
AU2552201A (en) Personal digital terminal and data output control system
DE69738890D1 (en) Amplifier circuit and multi-stage amplifier circuit
DE69834755D1 (en) Output circuit, input circuit and input / output circuit
AU8366598A (en) A high speed and high gain operational amplifier
AU5525998A (en) Target-triggered amplification
FR2770053B1 (en) DOUBLE GAIN AMPLIFIER CIRCUIT
GB2338361B (en) Digital automatic gain control linearizer and digital automatic gain control circuit using the same
AU2252697A (en) Input and output monitored amplifier
HK1037258A1 (en) Output device and controlling method thereof.
DE69828020D1 (en) Audio output amplifiers with parallel class AB stages
GB2344237B (en) Digital control of class a,class ab,class b and class d amplifier output stages
AU2276001A (en) Multiple channel upconverter having adjacent channel output and method of implementing the same
DE69616214T2 (en) DIFFERENTIAL AMPLIFIER WITH SIGNAL-DEPENDENT OFFSET AND MULTI-STAGE DUAL-RESIDIUM-ANALOG / DIGITAL CONVERTER THEREFOR
HK1038992A1 (en) Improved operational amplifier output stage

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031210