GB202208176D0 - Amplifier - Google Patents

Amplifier

Info

Publication number
GB202208176D0
GB202208176D0 GBGB2208176.4A GB202208176A GB202208176D0 GB 202208176 D0 GB202208176 D0 GB 202208176D0 GB 202208176 A GB202208176 A GB 202208176A GB 202208176 D0 GB202208176 D0 GB 202208176D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Ceased
Application number
GBGB2208176.4A
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.)
Focusrite Audio Engineering Ltd
Original Assignee
Focusrite Audio Engineering 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
Application filed by Focusrite Audio Engineering Ltd filed Critical Focusrite Audio Engineering Ltd
Priority to GBGB2208176.4A priority Critical patent/GB202208176D0/en
Publication of GB202208176D0 publication Critical patent/GB202208176D0/en
Priority to GB2218382.6A priority patent/GB2619373A/en
Priority to PCT/GB2023/051435 priority patent/WO2023233154A1/en
Ceased 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
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
    • 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
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • 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
    • 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
    • H03F2200/54—Two or more capacitor coupled amplifier stages in cascade
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
GBGB2208176.4A 2022-06-01 2022-06-01 Amplifier Ceased GB202208176D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB2208176.4A GB202208176D0 (en) 2022-06-01 2022-06-01 Amplifier
GB2218382.6A GB2619373A (en) 2022-06-01 2022-12-07 Amplifier
PCT/GB2023/051435 WO2023233154A1 (en) 2022-06-01 2023-05-31 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB2208176.4A GB202208176D0 (en) 2022-06-01 2022-06-01 Amplifier

Publications (1)

Publication Number Publication Date
GB202208176D0 true GB202208176D0 (en) 2022-07-13

Family

ID=82324073

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB2208176.4A Ceased GB202208176D0 (en) 2022-06-01 2022-06-01 Amplifier
GB2218382.6A Pending GB2619373A (en) 2022-06-01 2022-12-07 Amplifier

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2218382.6A Pending GB2619373A (en) 2022-06-01 2022-12-07 Amplifier

Country Status (1)

Country Link
GB (2) GB202208176D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9774952B2 (en) * 2015-04-02 2017-09-26 Entotem Limited Processing analog audio signals
CN110113019B (en) * 2019-04-29 2021-10-19 深圳锐越微技术有限公司 Two-stage audio gain circuit based on analog-to-digital conversion and audio terminal

Also Published As

Publication number Publication date
GB2619373A (en) 2023-12-06
GB202218382D0 (en) 2023-01-18

Similar Documents

Publication Publication Date Title
GB201913708D0 (en) Power amplifier
GB2598457B (en) Audio amplifier circuitry
GB2587677B (en) Amplifier circuitry
EP3979493A4 (en) Operational amplifier
GB202012658D0 (en) Low noise amplifier
GB202300489D0 (en) Amplifiers
GB2597351B (en) Amplifier circuits
CA201340S (en) Speaker
GB202218382D0 (en) Amplifier
EP4089731A4 (en) High frequency amplifier
GB2588246B (en) Amplifier circuitry
EP4087124A4 (en) Power amplifier
GB2598449B (en) Amplifiers
GB202303730D0 (en) Amplifiers
GB202303744D0 (en) Amplifiers
GB202014082D0 (en) Amplifiers
CA214454S (en) Audio amplifier
GB202402904D0 (en) Amplifier circuitry
EP4114041A4 (en) Av amplifier
EP4307561A4 (en) Doherty amplifier
CA203504S (en) Removable speaker
GB2604164B (en) Air Amplifier
CA198264S (en) Speaker
CA197992S (en) Speaker
EP3926825A4 (en) Amplifier

Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)