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公开(公告)号：US20190068298A1
公开(公告)日：2019-02-28
申请号：US16169903
申请日：2018-10-24
Applicant: pSemi Corporation
Inventor： Vikas Sharma , Mark James O'Leary
Abstract: A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Some embodiments allow interconnection of switchable internal calibration paths between separate IC chips. Still other embodiments utilize internal switches and antenna mutual coupling to provide over-the-air calibration, alone or in combination with direct signal coupling via internal calibration paths. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and/or to take into account component degradation due to age or other factors.
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公开(公告)号：US11804734B2
公开(公告)日：2023-10-31
申请号：US17741964
申请日：2022-05-11
Applicant: pSemi Corporation
Inventor： Donald Felt Kimball , Mark James O'Leary
CPC classification number: H02J50/402 , H01Q21/0025
Abstract: Methods and devices addressing power tracking of transmission systems using antenna arrays are disclosed. The disclosed teachings may be implemented on a channel element to channel element basis, are adaptive and can be implemented on short time durations such as time slots. Power efficiency can be improved when applying the described methods to the design of systems with antenna arrays.
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公开(公告)号：US20220344977A1
公开(公告)日：2022-10-27
申请号：US17741964
申请日：2022-05-11
Applicant: pSemi Corporation
Inventor： Donald Felt Kimball , Mark James O'Leary
Abstract: Methods and devices addressing power tracking of transmission systems using antenna arrays are disclosed. The disclosed teachings may be implemented on a channel element to channel element basis, are adaptive and can be implemented on short time durations such as time slots. Power efficiency can be improved when applying the described methods to the design of systems with antenna arrays.
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4.发明授权公开(公告)号：US11711068B2
公开(公告)日：2023-07-25
申请号：US17094654
申请日：2020-11-10
Applicant: pSemi Corporation
Inventor： John Birkbeck , Vikas Sharma , Kashish Pal , Mark James O'Leary
CPC classification number: H03H11/20 , H03H11/265 , H03H17/0009 , H03H17/0054 , H03H17/08
Abstract: A phase shifter for altering the phase of a radio frequency signal is disclosed herein. A Lange coupler is used having reflective ports that are coupled to artificial transmission lines. The artificial transmission lines provide a reflection transmission path, the length of which can be determined by digital control lines. Transistors placed along the length of the central trace provide independent paths to ground that serve to shorten the electrical length of the ATL. Accordingly, by selectively turning the transistors on/off, the electrical length of the ATL can be selected and thus the amount of phase delay introduced by the phase shifter.
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公开(公告)号：US20200328623A1
公开(公告)日：2020-10-15
申请号：US16383187
申请日：2019-04-12
Applicant: pSemi Corporation
Inventor： Donald Felt Kimball , Mark James O'Leary
Abstract: Methods and devices addressing power tracking of transmission systems using antenna arrays are disclosed. The disclosed teachings may be implemented on a channel element to channel element basis, are adaptive and can be implemented on short time durations such as time slots. Power efficiency can be improved when applying the described methods to the design of systems with antenna arrays.
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Patent Agency Ranking
公开(公告)号：US09991973B2
公开(公告)日：2018-06-05
申请号：US15658256
申请日：2017-07-24
Applicant: pSemi Corporation
Inventor： Vikas Sharma , Mark James O'Leary
Abstract: A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Some embodiments allow interconnection of switchable internal calibration paths between separate IC chips. Still other embodiments utilize internal switches and antenna mutual coupling to provide over-the-air calibration, alone or in combination with direct signal coupling via internal calibration paths. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and/or to take into account component degradation due to age or other factors.
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7.发明申请公开(公告)号：US20210135656A1
公开(公告)日：2021-05-06
申请号：US17094654
申请日：2020-11-10
Applicant: pSemi Corporation
Inventor： John Birkbeck , Vikas Sharma , Kashish Pal , Mark James O'Leary
Abstract: A phase shifter for altering the phase of a radio frequency signal is disclosed herein. A Lange coupler is used having reflective ports that are coupled to artificial transmission lines. The artificial transmission lines provide a reflection transmission path, the length of which can be determined by digital control lines. Transistors placed along the length of the central trace provide independent paths to ground that serve to shorten the electrical length of the ATL. Accordingly, by selectively turning the transistors on/off, the electrical length of the ATL can be selected and thus the amount of phase delay introduced by the phase shifter.
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公开(公告)号：US10944171B2
公开(公告)日：2021-03-09
申请号：US16109296
申请日：2018-08-22
Applicant: pSemi Corporation
Inventor： Mark James O'Leary
Abstract: Devices and methods for reconfiguration of electronic circuits in multi-antenna communication systems are described. Using indexed programmable lookup tables, phase and gain information related to the antenna array implemented in such system is accessed. Same method may be used to reconfigure state of transceivers and other electronic circuits within such systems. The described methods and devices can be implemented using standardized serial interfaces.
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公开(公告)号：US20200067185A1
公开(公告)日：2020-02-27
申请号：US16109296
申请日：2018-08-22
Applicant: pSemi Corporation
Inventor： Mark James O'Leary
Abstract: Devices and methods for reconfiguration of electronic circuits in multi-antenna communication systems are described. Using indexed programmable lookup tables, phase and gain information related to the antenna array implemented in such system is accessed. Same method may be used to reconfigure state of transceivers and other electronic circuits within such systems. The described methods and devices can be implemented using standardized serial interfaces.
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公开(公告)号：US20180248633A1
公开(公告)日：2018-08-30
申请号：US15965366
申请日：2018-04-27
Applicant: pSemi Corporation
Inventor： Vikas Sharma , Mark James O'Leary
Abstract: A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or more on-chip switchable internal calibration paths that enable direct coupling of a portion of the on-chip circuit to an RF test system while isolating other circuitry on the chip. Some embodiments allow interconnection of switchable internal calibration paths between separate IC chips. Still other embodiments utilize internal switches and antenna mutual coupling to provide over-the-air calibration, alone or in combination with direct signal coupling via internal calibration paths. Periodic self-calibration of an RF IC can be performed after initial factory calibration, so that adjustments in desired performance parameters can be made while such an IC is embedded within a final system, and/or to take into account component degradation due to age or other factors.
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