GB8708989D0 - Audio frequency power amplifiers - Google Patents

Audio frequency power amplifiers

Info

Publication number
GB8708989D0
GB8708989D0 GB878708989A GB8708989A GB8708989D0 GB 8708989 D0 GB8708989 D0 GB 8708989D0 GB 878708989 A GB878708989 A GB 878708989A GB 8708989 A GB8708989 A GB 8708989A GB 8708989 D0 GB8708989 D0 GB 8708989D0
Authority
GB
United Kingdom
Prior art keywords
frequency power
audio frequency
power amplifiers
amplifiers
audio
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.)
Granted
Application number
GB878708989A
Other versions
GB2203609A (en
GB2203609B (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.)
BIRT D
Original Assignee
BIRT D
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 BIRT D filed Critical BIRT D
Priority to GB8708989A priority Critical patent/GB2203609B/en
Publication of GB8708989D0 publication Critical patent/GB8708989D0/en
Publication of GB2203609A publication Critical patent/GB2203609A/en
Application granted granted Critical
Publication of GB2203609B publication Critical patent/GB2203609B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB8708989A 1987-04-14 1987-04-14 Improvements in or relating to audio frequency power amplifiers Expired - Lifetime GB2203609B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8708989A GB2203609B (en) 1987-04-14 1987-04-14 Improvements in or relating to audio frequency power amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8708989A GB2203609B (en) 1987-04-14 1987-04-14 Improvements in or relating to audio frequency power amplifiers

Publications (3)

Publication Number Publication Date
GB8708989D0 true GB8708989D0 (en) 1987-05-20
GB2203609A GB2203609A (en) 1988-10-19
GB2203609B GB2203609B (en) 1990-09-05

Family

ID=10615848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8708989A Expired - Lifetime GB2203609B (en) 1987-04-14 1987-04-14 Improvements in or relating to audio frequency power amplifiers

Country Status (1)

Country Link
GB (1) GB2203609B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100433545C (en) * 2003-09-05 2008-11-12 马步远 Full current excitation balance injection feedforward power amplifier

Also Published As

Publication number Publication date
GB2203609A (en) 1988-10-19
GB2203609B (en) 1990-09-05

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Legal Events

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

Effective date: 19930414