VOLTAGE DIVIDING CAPACITOR CIRCUITS AND SUPPLY MODULATORS INCLUDING THE SAME

    公开(公告)号:US20230050531A1

    公开(公告)日:2023-02-16

    申请号:US17702163

    申请日:2022-03-23

    Abstract: A voltage dividing capacitor circuit includes first capacitor through third capacitor dividers and first through fourth load capacitors. The first capacitor divider includes a first flying capacitor and a plurality of first switches connected in series between a first voltage node and a ground node, and is connected to a second voltage node. The second capacitor divider is connected to the first voltage node, the second voltage node, and a first intermediate voltage node. The third capacitor divider is connected to the second voltage node, the ground voltage node, and a second intermediate voltage node. The first through fourth load capacitors are connected in series between the first voltage node and the ground node. The second capacitor divider includes a second flying capacitor and a plurality of second switches connected in series between the first voltage node and the second voltage node.

    SUPPLY MODULATOR AND WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME

    公开(公告)号:US20250070722A1

    公开(公告)日:2025-02-27

    申请号:US18741079

    申请日:2024-06-12

    Abstract: A power modulator configured to provide a supply voltage of a power amplifier. The power modulator includes a converter configured to output the supply voltage to the power amplifier, a switch connected to a first capacitor and a second capacitor, a first end of the first capacitor being connected to the converter, a second end of the first capacitor being connected to the switch, a first end of the second capacitor being connected to the converter, a second end of the second capacity being connected to a ground and the switch, and a capacitance of the second capacitor being less than a capacitance of the first capacitor, and a driver connected to the switch, the driver being configured to turn off the switch based on an occurrence of a transition of the supply voltage.

    VOLTAGE DIVIDING CAPACITOR CIRCUITS, SUPPLY MODULATORS AND WIRELESS COMMUNICATION DEVICES

    公开(公告)号:US20230145751A1

    公开(公告)日:2023-05-11

    申请号:US18153208

    申请日:2023-01-11

    CPC classification number: G05F1/56 H02M3/072

    Abstract: A voltage dividing capacitor circuit includes a first capacitor voltage divider and a second capacitor voltage divider. The first capacitor voltage divider is connected to a second voltage node, the first capacitor voltage divider includes a first flying capacitor and a plurality of first switches, the second voltage node coupled to a second load capacitor, the plurality of first switches connected in series between a first voltage node and a ground node, the first voltage node coupled to a first load capacitor, and the ground node coupled to a ground voltage. The second capacitor voltage divider is connected between the first voltage node and the second voltage node, and includes a second flying capacitor and a plurality of second switches, the plurality of second switches connected in series between the first voltage node and the second voltage node.

    VOLTAGE DIVIDING CAPACITOR CIRCUITS, SUPPLY MODULATORS AND WIRELESS COMMUNICATION DEVICES

    公开(公告)号:US20220075401A1

    公开(公告)日:2022-03-10

    申请号:US17334053

    申请日:2021-05-28

    Abstract: A voltage dividing capacitor circuit includes a first capacitor voltage divider and a second capacitor voltage divider. The first capacitor voltage divider is connected to a second voltage node, the first capacitor voltage divider includes a first flying capacitor and a plurality of first switches, the second voltage node coupled to a second load capacitor, the plurality of first switches connected in series between a first voltage node and a ground node, the first voltage node coupled to a first load capacitor, and the ground node coupled to a ground voltage. The second capacitor voltage divider is connected between the first voltage node and the second voltage node, and includes a second flying capacitor and a plurality of second switches, the plurality of second switches connected in series between the first voltage node and the second voltage node.

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