GB202402495D0 - Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths - Google Patents

Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths

Info

Publication number
GB202402495D0
GB202402495D0 GBGB2402495.2A GB202402495A GB202402495D0 GB 202402495 D0 GB202402495 D0 GB 202402495D0 GB 202402495 A GB202402495 A GB 202402495A GB 202402495 D0 GB202402495 D0 GB 202402495D0
Authority
GB
United Kingdom
Prior art keywords
compensating
circuitry
gain
voltage
current monitoring
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.)
Pending
Application number
GBGB2402495.2A
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 US17/690,327 external-priority patent/US11644521B1/en
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Publication of GB202402495D0 publication Critical patent/GB202402495D0/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • 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
    • H04R3/007—Protection circuits for transducers
GBGB2402495.2A 2021-11-09 2022-09-22 Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths Pending GB202402495D0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163277339P 2021-11-09 2021-11-09
US17/690,327 US11644521B1 (en) 2021-11-09 2022-03-09 Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths
PCT/GB2022/052395 WO2023084180A1 (en) 2021-11-09 2022-09-22 Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths

Publications (1)

Publication Number Publication Date
GB202402495D0 true GB202402495D0 (en) 2024-04-10

Family

ID=83594155

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB2402495.2A Pending GB202402495D0 (en) 2021-11-09 2022-09-22 Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths

Country Status (2)

Country Link
GB (1) GB202402495D0 (en)
WO (1) WO2023084180A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9016972D0 (en) * 1990-08-02 1990-09-19 Farnell Instr Improvements relating to lcr meters
JP3851375B2 (en) * 1996-04-18 2006-11-29 アジレント・テクノロジーズ・インク Impedance measuring device
JP2002280843A (en) * 2001-03-21 2002-09-27 Pioneer Electronic Corp Power amplifier
GB2411481B (en) * 2004-02-27 2007-11-14 Ultra Electronics Ltd Signal measurement and processing method and apparatus
EP3441775A3 (en) * 2011-09-12 2019-06-12 Analog Devices Global Unlimited Company Current measurement
US10175334B2 (en) * 2013-12-13 2019-01-08 National Instruments Corporation Self-calibration of source-measure unit via capacitor
US10551469B2 (en) * 2016-03-01 2020-02-04 Texas Instruments Incorporated Calibration of inverting amplifier based impedance analyzers
EP3252483B1 (en) * 2016-06-02 2021-06-02 Nxp B.V. Load detector
IT201900015144A1 (en) * 2019-08-28 2021-02-28 St Microelectronics Srl PROCEDURE FOR MONITORING ELECTRICAL LOADS, CIRCUIT, AMPLIFIER AND CORRESPONDING AUDIO SYSTEM
US11290071B2 (en) * 2020-05-01 2022-03-29 Cirrus Logic, Inc. Common-mode insensitive current-sensing topology in full-bridge driver

Also Published As

Publication number Publication date
WO2023084180A1 (en) 2023-05-19

Similar Documents

Publication Publication Date Title
TWI547080B (en) Noise filter
US10126332B2 (en) Current transducer with fluxgate detector
CN107064750B (en) Filter capacitor degradation and correction
EP3261250B1 (en) Amplification circuit
EP3639351A4 (en) Ripple detection and cancellation for voltage regulator circuits
EP3753098A4 (en) Power converter with wide dc voltage range
WO2011014849A3 (en) Bias current monitor and control mechanism for amplifiers
TW200635197A (en) Adaptive frequency compensation for DC-to-DC converter
DE502007003419D1 (en) Load breaker arrangement
US10901004B2 (en) High-voltage measuring unit with self-correction
JP4689586B2 (en) Low distortion variable frequency amplifier
TW200721681A (en) Compensation offset adjustment scheme for fast reference voltage transitioning
EP2266202A4 (en) Combination offset voltage and bias current auto-zero circuit
EP3719509A4 (en) System and method for correcting current value of shunt resistor
GB202402495D0 (en) Circuitry for compensating for gain and/or phase mismatch between voltage and current monitoring paths
MX2009013177A (en) Instrument power controller and method for adaptively providing an output voltage and an output current that together maintain a substantially constant electrical output power.
DE502006004129D1 (en) Ring core power converter with phase shift control
EP3729108A4 (en) Power detector for radiofrequency power amplifier circuits
GB2575128B (en) Wireless power receiver circuits that provide constant voltage or current to an electrical load, and methods
JP2019092244A (en) Power supply
GB2613229B (en) Compensating current monitor for electronic systems having mode-sensitive selection of current-sensing inputs
ES2963491T3 (en) An amplifier with at least one second order filter in the control loop
PH12017500236A1 (en) An apparatus for producing unvarying direct load current
CN108633322B (en) Motor control system
EP4055572A4 (en) Apparatus for integrated offset voltage for photodiode current amplifier