FR3120279B1 - Calibration d'un atténuateur RF - Google Patents

Calibration d'un atténuateur RF Download PDF

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Publication number
FR3120279B1
FR3120279B1 FR2101889A FR2101889A FR3120279B1 FR 3120279 B1 FR3120279 B1 FR 3120279B1 FR 2101889 A FR2101889 A FR 2101889A FR 2101889 A FR2101889 A FR 2101889A FR 3120279 B1 FR3120279 B1 FR 3120279B1
Authority
FR
France
Prior art keywords
rfin
node
input
terminal
attenuator
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.)
Active
Application number
FR2101889A
Other languages
English (en)
Other versions
FR3120279A1 (fr
Inventor
Michel Ayraud
Philippe Level
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.)
STMicroelectronics Grenoble 2 SAS
Original Assignee
STMicroelectronics Grenoble 2 SAS
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 STMicroelectronics Grenoble 2 SAS filed Critical STMicroelectronics Grenoble 2 SAS
Priority to FR2101889A priority Critical patent/FR3120279B1/fr
Priority to US17/648,993 priority patent/US11515899B2/en
Priority to CN202210177460.6A priority patent/CN115047928A/zh
Priority to CN202220391409.0U priority patent/CN218181393U/zh
Publication of FR3120279A1 publication Critical patent/FR3120279A1/fr
Application granted granted Critical
Publication of FR3120279B1 publication Critical patent/FR3120279B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
    • H04B1/0075—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands using different intermediate frequencied for the different bands
    • H04B1/0078—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands using different intermediate frequencied for the different bands with a common intermediate frequency amplifier for the different intermediate frequencies, e.g. when using switched intermediate frequency filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1615—Switching on; Switching off, e.g. remotely
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/10—Gain control characterised by the type of controlled element
    • H03G2201/106—Gain control characterised by the type of controlled element being attenuating element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/20—Gain control characterized by the position of the detection
    • H03G2201/206—Gain control characterized by the position of the detection being in radio frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B2001/307—Circuits for homodyne or synchrodyne receivers using n-port mixer

Abstract

Calibration d'un atténuateur RF La présente description concerne un circuit (100') comprenant :une borne d'entrée (RFin) configurée pour recevoir un premier signal à une première fréquence ;une chaîne de démodulation (101) connectée à la borne d'entrée (RFin) et comprenant un amplificateur faible bruit (LNA) ayant une entrée couplée, de préférence connectée, à ladite borne (RFin) ; une impédance variable commandable (104) connectée entre un premier noeud (105) et un noeud (106) configuré pour recevoir un potentiel de référence (GND), le premier noeud (105) étant connecté à la borne d'entrée (RFin) et/ou à l'entrée de l'amplificateur (LNA) ; etune source de courant (300) configurée pour fournir un courant (ical) à la première fréquence (FRF) au premier noeud (105). Figure pour l'abrégé : Fig. 7
FR2101889A 2021-02-26 2021-02-26 Calibration d'un atténuateur RF Active FR3120279B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR2101889A FR3120279B1 (fr) 2021-02-26 2021-02-26 Calibration d'un atténuateur RF
US17/648,993 US11515899B2 (en) 2021-02-26 2022-01-26 Calibration of an RF attenuator
CN202210177460.6A CN115047928A (zh) 2021-02-26 2022-02-25 Rf衰减器的校准
CN202220391409.0U CN218181393U (zh) 2021-02-26 2022-02-25 电路

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2101889A FR3120279B1 (fr) 2021-02-26 2021-02-26 Calibration d'un atténuateur RF
FR2101889 2021-02-26

Publications (2)

Publication Number Publication Date
FR3120279A1 FR3120279A1 (fr) 2022-09-02
FR3120279B1 true FR3120279B1 (fr) 2024-01-05

Family

ID=75339950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2101889A Active FR3120279B1 (fr) 2021-02-26 2021-02-26 Calibration d'un atténuateur RF

Country Status (3)

Country Link
US (1) US11515899B2 (fr)
CN (2) CN115047928A (fr)
FR (1) FR3120279B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3979485B2 (ja) * 2001-01-12 2007-09-19 株式会社ルネサステクノロジ 信号処理用半導体集積回路および無線通信システム
US7668521B2 (en) * 2006-03-02 2010-02-23 Broadcom Corporation Method and system for RF front-end calibration scheme using fractional-N frequency synthesized signals and RSSI
US9154166B2 (en) * 2010-06-03 2015-10-06 Broadcom Corporation Front-end module network
GB201104742D0 (en) * 2011-03-22 2011-05-04 Cambridge Silicon Radio Ltd A receiver
US9748993B2 (en) * 2015-09-08 2017-08-29 Mediatek Inc. Radio frequency receiver front-end with gain control capability as well as improved impedance matching control capability
FR3059495A1 (fr) * 2016-11-29 2018-06-01 Stmicroelectronics (Grenoble 2) Sas Dispositif attenuateur dans un etage de transmission radiofrequences

Also Published As

Publication number Publication date
CN115047928A (zh) 2022-09-13
FR3120279A1 (fr) 2022-09-02
US20220278701A1 (en) 2022-09-01
US11515899B2 (en) 2022-11-29
CN218181393U (zh) 2022-12-30

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