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Patent Agency Ranking
公开(公告)号：US20250070720A1
公开(公告)日：2025-02-27
申请号：US18943309
申请日：2024-11-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： John HOVERSTEN , David PERREAULT , Yevgeniy TKACHENKO , Takeshi KOGURE , Toshiki MATSUI , Yuuki FUKUDA
Abstract: A tracker circuit includes a pre-regulator circuit configured to convert an input voltage into a regulated voltage using a power inductor, a switched-capacitor circuit configured to generate a plurality of discrete voltages, based on the regulated voltage, and a power modulation circuit configured to select at least one voltage from the plurality of discrete voltages and output the at least one voltage to a first output terminal. Further, the tracker circuit includes one or more bypass paths configured to bypass at least the switched-capacitor circuit and the power modulation circuit, and to provide a second supply voltage from the pre-regulator circuit to a second output terminal, the second supply voltage is output by the second output terminal.
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公开(公告)号：US20250070721A1
公开(公告)日：2025-02-27
申请号：US18943427
申请日：2024-11-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： John HOVERSTEN , David PERREAULT , Yevgeniy TKACHENKO , Takeshi KOGURE , Yuuki FUKUDA , Toshiki MATSUI
Abstract: In an exemplary aspect, a tracker circuit is provided that includes a first switch circuit configured to generate a plurality of discrete voltages, based on an input voltage, a second switch circuit configured to select at least a first voltage from the plurality of discrete voltages as a supply voltage, a filter circuit that is connected to the second switch circuit and is configured to filter the supply voltage and generate a filtered supply voltage that is provided to an amplifier via a voltage supply path between the filter circuit and the amplifier, and a third switch circuit including a capacitor and a switch that are connected in series between a ground and the voltage supply path.
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公开(公告)号：US20250070718A1
公开(公告)日：2025-02-27
申请号：US18943524
申请日：2024-11-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： John HOVERSTEN , David Perreault , Yevgeniy Tkachenko , Takeshi Kogure , Yuuki Fukuda , Toshiki Matsui , Yuuma Noguchi , Kiichiro Takenaka
Abstract: An amplifier circuit is provided for amplifying a radio frequency signal within one frame of a radio frequency signal by using multiple discrete voltages supplied from the tracker circuit. The amplifier circuit includes a power amplifier and an RC series circuit including a resistor and a capacitor that are connected in series between the ground and a voltage supply path between the tracker circuit and the power amplifier.
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公开(公告)号：US20240333220A1
公开(公告)日：2024-10-03
申请号：US18742402
申请日：2024-06-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： John HOVERSTEN , Yevgeniy TKACHENKO , David PERREAULT , Muneyoshi YAMAMOTO , Takeshi KOGURE
CPC classification number: H03F1/0222 , H03F3/005 , H03F3/245 , H03F2200/102 , H03F2200/451
Abstract: A tracker module includes a module laminate configured to provide interconnections to circuit components arranged on the module laminate, at least one integrated circuit arranged on the module laminate, and a first output terminal and a plurality of second output terminals that are configured to output signals externally of the tracker module. The at least one integrated circuit includes a first supply modulator and at least one switch in a switched-capacitor circuit. The switched-capacitor circuit is configured to generate a plurality of discrete voltages, the plurality of discrete voltages being supplied to the plurality of second output terminals to output. The first supply modulator is configured to generate a first power supply by selecting at least one of the plurality of discrete voltages, the first power supply is provided to the first output terminal to output.
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公开(公告)号：US20240333150A1
公开(公告)日：2024-10-03
申请号：US18739945
申请日：2024-06-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： John HOVERSTEN , Yevgenly TKACHENKO , David PERREAULT , Muneyoshi YAMMAMOTO , Takeshi KOGURE
Abstract: A power supply circuit includes a switched-capacitor circuit configured to generate, based on an input voltage, a plurality of discrete voltages; a first supply modulator configured to select, based on a first envelope signal of a first radio frequency signal, at least a first discrete voltage from the plurality of discrete voltages to output to a first power amplifier; and a second supply modulator configured to select, based on a second envelope signal of a second radio frequency signal, at least a second discrete voltage from the plurality of discrete voltages to output to a second power amplifier. The first power amplifier is configured to amplify the first radio frequency signal. The second power amplifier is configured to amplify the second radio frequency signal. The first radio frequency signal is a cellular network signal. The second radio frequency signal is a wireless local area network signal.
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