KR880700939A - Impedance mismatch detection system - Google Patents

Impedance mismatch detection system

Info

Publication number
KR880700939A
KR880700939A KR870700636A KR870700636A KR880700939A KR 880700939 A KR880700939 A KR 880700939A KR 870700636 A KR870700636 A KR 870700636A KR 870700636 A KR870700636 A KR 870700636A KR 880700939 A KR880700939 A KR 880700939A
Authority
KR
South Korea
Prior art keywords
detection system
impedance mismatch
mismatch detection
impedance
mismatch
Prior art date
Application number
KR870700636A
Other languages
Korean (ko)
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 US06/801,181 external-priority patent/US4704573A/en
Priority claimed from US06/800,832 external-priority patent/US4647871A/en
Application filed filed Critical
Publication of KR880700939A publication Critical patent/KR880700939A/en

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
    • 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
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/486—Indexing scheme relating to amplifiers the current in the load of an amplifying stage being sensed by a torus
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/78—A comparator being used in a controlling circuit of an amplifier
KR870700636A 1985-11-22 1987-07-22 Impedance mismatch detection system KR880700939A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/801,181 US4704573A (en) 1985-11-22 1985-11-22 Impedance mismatch detector
US06/800,832 US4647871A (en) 1985-11-22 1985-11-22 Adaptive impedance mismatch detector system
PCT/US1986/002484 WO1987003378A1 (en) 1985-11-22 1986-11-14 Adaptive impedance mismatch detector system

Publications (1)

Publication Number Publication Date
KR880700939A true KR880700939A (en) 1988-04-13

Family

ID=27122263

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870700636A KR880700939A (en) 1985-11-22 1987-07-22 Impedance mismatch detection system

Country Status (5)

Country Link
EP (1) EP0247157A4 (en)
JP (1) JPH0827309B2 (en)
KR (1) KR880700939A (en)
CA (1) CA1261002A (en)
WO (1) WO1987003378A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60042016D1 (en) 2000-08-24 2009-05-28 Continental Automotive Gmbh Receiving system with antenna diversity
JP2008521319A (en) * 2004-11-19 2008-06-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Apparatus with control alignment stage
CN100444621C (en) * 2005-06-18 2008-12-17 深圳Tcl新技术有限公司 Threshold signal processing method
US7557653B2 (en) 2006-10-26 2009-07-07 Infineon Technologies Ag Shared linearity maintenance in power amplifiers
US8427238B2 (en) 2011-06-07 2013-04-23 Raytheon Company Performance optimization of power amplifier
DE102011106234A1 (en) * 2011-06-27 2012-12-27 Tesat-Spacecom Gmbh & Co.Kg Method and apparatus for protecting a high frequency power amplifier against mismatch
EP3057229B1 (en) 2015-12-11 2019-11-20 Rohde & Schwarz GmbH & Co. KG A power amplifier, a radio frequency electronic device and a method for operating a power amplifier
US9712906B1 (en) 2016-02-22 2017-07-18 Cirrus Logic, Inc. Alternating current (AC) load identification technique using a search algorithm
US9986351B2 (en) 2016-02-22 2018-05-29 Cirrus Logic, Inc. Direct current (DC) and/or alternating current (AC) load detection for audio codec
US9800984B2 (en) 2016-02-22 2017-10-24 Cirrus Logic, Inc. Identification of a load with a search algorithm that controls application of signals to the load and a reference generator
US10015607B2 (en) 2016-02-22 2018-07-03 Cirrus Logic, Inc. Temperature compensation for load identification
GB2563699B (en) * 2016-06-24 2022-03-02 Cirrus Logic Int Semiconductor Ltd Temperature compensation for load identification
US10255876B2 (en) 2016-11-28 2019-04-09 Dell Products, Lp System and method for display auto-correction impedance mismatch control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1207566A (en) * 1958-06-26 1960-02-17 Trt Telecom Radio Electr Improvements to automatic tuning devices on widely varying load
US3249863A (en) * 1962-08-21 1966-05-03 Delta Electronics Inc Operating impedance determining device having a coupling unit utilizing a pick-up line terminated in a variable impedance
US3683274A (en) * 1970-06-04 1972-08-08 Peter G Martin Lumped component standing wave ratio indicators for radio frequency transmission lines
US3870957A (en) * 1973-10-15 1975-03-11 Itt VSWR alarm system
JPS54109585U (en) * 1978-01-20 1979-08-01
US4350958A (en) * 1980-01-17 1982-09-21 Motorola, Inc. Impedance matching circuitry for radio frequency signal power amplifiers
US4373581A (en) * 1981-01-19 1983-02-15 Halliburton Company Apparatus and method for radio frequency heating of hydrocarbonaceous earth formations including an impedance matching technique
US4493112A (en) * 1981-11-19 1985-01-08 Rockwell International Corporation Antenna tuner discriminator
US4439741A (en) * 1982-06-28 1984-03-27 Motorola, Inc. Stabilized high efficiency radio frequency amplifier
US4506209A (en) * 1982-12-27 1985-03-19 Rockwell International Corporation Tracking impedance measuring system

Also Published As

Publication number Publication date
JPS63501447A (en) 1988-06-02
WO1987003378A1 (en) 1987-06-04
EP0247157A1 (en) 1987-12-02
JPH0827309B2 (en) 1996-03-21
CA1261002A (en) 1989-09-26
EP0247157A4 (en) 1988-04-18

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application