GB0617822D0 - Amplifiers - Google Patents

Amplifiers

Info

Publication number
GB0617822D0
GB0617822D0 GBGB0617822.2A GB0617822A GB0617822D0 GB 0617822 D0 GB0617822 D0 GB 0617822D0 GB 0617822 A GB0617822 A GB 0617822A GB 0617822 D0 GB0617822 D0 GB 0617822D0
Authority
GB
United Kingdom
Prior art keywords
amplifiers
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
GBGB0617822.2A
Other versions
GB2444753A (en
GB2444753B (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.)
BENTLEY EDWARD C
Original Assignee
BENTLEY EDWARD C
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 BENTLEY EDWARD C filed Critical BENTLEY EDWARD C
Priority to GB0617822A priority Critical patent/GB2444753B/en
Publication of GB0617822D0 publication Critical patent/GB0617822D0/en
Publication of GB2444753A publication Critical patent/GB2444753A/en
Application granted granted Critical
Publication of GB2444753B publication Critical patent/GB2444753B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45278—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using BiFET transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/28—Reducing interference caused by currents induced in cable sheathing or armouring
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/186—Indexing scheme relating to amplifiers the ground, reference potential being controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/189—Indexing scheme relating to amplifiers the ground, reference or shield potential difference between different chips being controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/261—Amplifier which being suitable for instrumentation applications
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/405—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising more than three power stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45101—Control of the DC level being present
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45136—One differential amplifier in IC-block form being shown
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45586—Indexing scheme relating to differential amplifiers the IC comprising offset generating means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45652—Indexing scheme relating to differential amplifiers the LC comprising one or more further dif amp stages, either identical to the dif amp or not, in cascade

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
GB0617822A 2006-09-11 2006-09-11 Amplifiers Expired - Fee Related GB2444753B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0617822A GB2444753B (en) 2006-09-11 2006-09-11 Amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0617822A GB2444753B (en) 2006-09-11 2006-09-11 Amplifiers

Publications (3)

Publication Number Publication Date
GB0617822D0 true GB0617822D0 (en) 2006-10-18
GB2444753A GB2444753A (en) 2008-06-18
GB2444753B GB2444753B (en) 2011-07-06

Family

ID=37232704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0617822A Expired - Fee Related GB2444753B (en) 2006-09-11 2006-09-11 Amplifiers

Country Status (1)

Country Link
GB (1) GB2444753B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127408B (en) * 1959-10-23 1962-04-12 Deutsche Bundespost Circuit arrangement for suppressing interference signals in unbalanced connection lines
DE1152445B (en) * 1959-11-17 1963-08-08 Westdeutscher Rundfunk Arrangement for the interference-free transmission of broadband electrical signals, in particular video-frequency television signals
JPS56166688A (en) * 1980-05-26 1981-12-21 Fujitsu Ltd Noise elimination system
JPH0624327B2 (en) * 1985-05-24 1994-03-30 日本電気株式会社 Terminal device

Also Published As

Publication number Publication date
GB2444753A (en) 2008-06-18
GB2444753B (en) 2011-07-06

Similar Documents

Publication Publication Date Title
GB2443930B (en) Amplifier
GB2441572B (en) Switching amplifier
DE602007002700D1 (en) Interventionsfreies frac-system
EP2078282A4 (en) E-couponing
EP2033216A4 (en) Electroadhesion
DE602007008085D1 (en) Dihydropyrazolopyrimidinonderivate
DE602007014031D1 (en) Luftreifensatz
DE602007002070D1 (en) 2-pyrazincarboxamidderivate
DE602007003855D1 (en) Isothermer reaktor
EP1983992A4 (en) 2-imino-benzimidazoles
DE602007001601D1 (en) Glasuntersuchung
DE602007006989D1 (en) Spiropiperidinderivate
AP2008004724A0 (en) Substituted1-yl)-azolin-2-aryl-1-hetaryl-ethane
DE602007011622D1 (en) Penem-prodrugs
EP2084019A4 (en) Paintscraper
EP2024567A4 (en) Earthen-wallpaper
EP2007388A4 (en) Opiopathies
GB2434932B (en) Amplifier
GB2426134B (en) Amplifiers
DK1989111T3 (en) Satellitluftbremseapparat
EP1974618A4 (en) Innerwear
GB0617815D0 (en) Foot-drop aid
DE502007001126D1 (en) Eiten
GB2444753B (en) Amplifiers
AU4914P (en) CalflatGL Calothamnus quadrifidus

Legal Events

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

Effective date: 20111006