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    DUAL CONNECTION CIRCUIT AND ELECTRONIC DEVICE INCLUDING SAME
    1.
    发明申请
    DUAL CONNECTION CIRCUIT AND ELECTRONIC DEVICE INCLUDING SAME 有权

    公开(公告)号：US20220416820A1

    公开(公告)日：2022-12-29

    申请号：US17896500

    申请日：2022-08-26

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Namjun CHO ,  Jooseung KIM ,  Hyoseok NA ,  Hyunseok CHOI

    IPC: H04B1/00 ,  H04B1/18 ,  H04B1/16

    Abstract: Various embodiments of the disclosure disclose a method and apparatus, comprising: a communication processor; a radio frequency integrated circuit (RFIC) connected to the communication processor and outputting at least one of a first radio frequency signal, a second radio frequency signal, a third radio frequency signal, and a fourth radio frequency signal; a first circuit connected to the RFIC and including a first filter; a first radio frequency front end (RFFE) connected to the first circuit and including a first amplifier configured to amplify the first radio frequency signal and/or the third radio frequency signal; and a second RFFE including a second amplifier configured to amplify the second radio frequency signal and/or the fourth radio frequency signal output from the RFIC, wherein the communication processor is configured to control the first circuit to remove the fourth radio frequency signal induced to the first circuit through the first filter.

    ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING OR RECEIVING SIGNALS OF PLURALITY OF FREQUENCY BANDS
    2.
    发明申请
    ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING OR RECEIVING SIGNALS OF PLURALITY OF FREQUENCY BANDS 有权

    公开(公告)号：US20210083755A1

    公开(公告)日：2021-03-18

    申请号：US17023955

    申请日：2020-09-17

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jooseung KIM ,  Namjun CHO ,  Hyoseok NA ,  Hyunseok CHOI

    IPC: H04B7/10 ,  H04B17/10

    Abstract: The disclosure relates to a device and a method for efficiently detecting signals when signals of a plurality of frequency bands are simultaneously transmitted and/or received.
    An electronic device according to various embodiments of the disclosure includes: a processor, a plurality of couplers configured to detect signals of a plurality of frequency bands being simultaneously transmitted and/or received, a plurality of first switches connected to at least parts of the plurality of couplers and configured to adjust directions of the signals being detected, a plurality of second switches connected to the first switches and configured to block signals being output from the first switches, and a third switch connected to the plurality of second switches and configured to select one of the plurality of second switches, wherein the processor is configured to control the first switches, the second switches, and the third switch to detect one of the signals being simultaneously transmitted and/or received.

    PROTECTION CIRCUIT IN ELECTRONIC DEVICE AND METHOD THEREFOR
    4.
    发明申请
    PROTECTION CIRCUIT IN ELECTRONIC DEVICE AND METHOD THEREFOR 有权

    公开(公告)号：US20220337200A1

    公开(公告)日：2022-10-20

    申请号：US17263044

    申请日：2020-10-30

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok CHOI ,  Jooseung KIM ,  Jihoon KIM ,  Hyoseok NA ,  Sanghun SIM ,  Namjun CHO

    IPC: H03F1/52 ,  H03F3/24 ,  H02H3/087

    Abstract: An electronic device and method thereof of are provided to prevent burnout due to overcurrent. An electronic device includes a power amplifier configured to amplify a transmission signal; a battery configured to provide a bias voltage to the at least one power amplifier; and an overcurrent protection circuit configured to prevent overcurrent from flowing through the power amplifier. The overcurrent protection circuit includes a configurer configured to configure a reference current value, based on the power amplifier; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the power amplifier and control provision of the bias voltage, based on a result of the comparison.

    ELECTRONIC DEVICE FOR SUPPORTING DUAL CONNECTIVITY AND POWER CONTROL METHOD THEREFOR
    5.
    发明申请
    ELECTRONIC DEVICE FOR SUPPORTING DUAL CONNECTIVITY AND POWER CONTROL METHOD THEREFOR 有权

    公开(公告)号：US20220086766A1

    公开(公告)日：2022-03-17

    申请号：US17533648

    申请日：2021-11-23

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Namjun CHO ,  Jooseung KIM ,  Hyoseok NA

    IPC: H04W52/14 ,  H04W76/16 ,  H04W52/08 ,  H04W52/24 ,  H04W52/34

    Abstract: An electronic device including a housing, at least one antenna disposed inside the housing or disposed on at least a part of the housing, a first transceiver configured to generate a first signal corresponding to a first communication network and transmit the first signal to the at least one antenna, a second transceiver configured to generate a second signal corresponding to a second communication network and transmit the second signal to the at least one antenna, a first coupler electrically connected between the at least one antenna and the first transceiver, a first communication processor operatively connected to the first transceiver, and a second communication processor operatively connected to the second transceiver, wherein the second communication processor is configured to control a transmission power of the second signal, at least partially based on a signal received via feedback by the first coupler.

    METHOD AND APPARATUS FOR SUPPLYING VOLTAGE TO AMPLIFIER USING MULTIPLE LINEAR REGULATORS
    6.
    发明申请
    METHOD AND APPARATUS FOR SUPPLYING VOLTAGE TO AMPLIFIER USING MULTIPLE LINEAR REGULATORS 有权

    公开(公告)号：US20210159590A1

    公开(公告)日：2021-05-27

    申请号：US17102955

    申请日：2020-11-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyoseok NA ,  Jooseung KIM ,  Hyunseok CHOI

    IPC: H01Q1/40 ,  H03F3/195 ,  G05F1/46

    Abstract: Various embodiments disclose a method and a device. The device includes: an antenna; a switching regulator; a communication chip including an amplifier, a first linear regulator operably connected to the amplifier and the switching regulator and configured to be supplied with a first voltage from the switching regulator, and a second linear regulator operably connected to the amplifier and the switching regulator and configured to be supplied with a second voltage higher than the first voltage from the switching regulator, the communication chip configured to transmit a radio-frequency signal outside of the electronic device through the antenna; and a control circuit. The control circuit is configured to produce an envelope of an input signal input to the amplifier in connection with the radio-frequency signal and to provide the produced envelope to at least one of the first linear regulator or the second linear regulator. The first linear regulator is configured to provide a third voltage corresponding to the envelope to the amplifier using the first voltage based on the envelope having a voltage in a first range. The second linear regulator is configured to provide a fourth voltage higher than the third voltage to the amplifier using the second voltage based on the voltage of the envelope being in a second range including values larger than values included in the first range.

    PROTECTION CIRCUIT IN ELECTRONIC DEVICE AND METHOD THEREFOR
    7.
    发明申请
    PROTECTION CIRCUIT IN ELECTRONIC DEVICE AND METHOD THEREFOR 有权

    公开(公告)号：US20240421777A1

    公开(公告)日：2024-12-19

    申请号：US18815287

    申请日：2024-08-26

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyunseok CHOI ,  Jooseung KIM ,  Jihoon KIM ,  Hyoseok NA ,  Sanghun SIM ,  Namjun CHO

    IPC: H03F1/52 ,  H02H3/087 ,  H03F3/24

    Abstract: An electronic device and method thereof of are provided to prevent burnout due to overcurrent. An electronic device includes a power amplifier configured to amplify a transmission signal; a battery configured to provide a bias voltage to the at least one power amplifier; and an overcurrent protection circuit configured to prevent overcurrent from flowing through the power amplifier. The overcurrent protection circuit includes a configurer configured to configure a reference current value, based on the power amplifier; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the power amplifier and control provision of the bias voltage, based on a result of the comparison.

    ELECTRONIC DEVICE COMPRISING AMPLIFIER CIRCUIT FOR PROCESSING WIDEBAND RF SIGNAL
    8.
    发明申请
    ELECTRONIC DEVICE COMPRISING AMPLIFIER CIRCUIT FOR PROCESSING WIDEBAND RF SIGNAL 有权

    公开(公告)号：US20220345093A1

    公开(公告)日：2022-10-27

    申请号：US17860467

    申请日：2022-07-08

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongil YANG ,  Jooseung KIM ,  Junghwan SON ,  Hyunseok CHOI

    IPC: H03F1/56 ,  H03F3/189 ,  H03F3/60 ,  H03F1/07 ,  H03H7/38

    Abstract: Disclosed is an electronic device comprising: a wireless communication circuit for generating an RF signal, an amplifier circuit electrically connected to the wireless communication circuit and configured to amplify the RF signal, and an antenna connected to the amplifier circuit. The amplifier circuit may comprise: a first amplifier; a second amplifier; a first transmission path connected to an output terminal of the first amplifier and the antenna; a second transmission path connected to an output terminal of the second amplifier and the first transmission path; a first variable impedance circuit located on the first transmission path and configured to change an electrical length of the first transmission path based on the frequency of the RF signal; and a second variable impedance circuit located on the second transmission path and configured to change the electrical length based on a power mode.

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