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    DYNAMICALLY BIASED POWER AMPLIFICATION
    2.
    发明申请
    DYNAMICALLY BIASED POWER AMPLIFICATION 有权

    公开(公告)号：US20220200534A1

    公开(公告)日：2022-06-23

    申请号：US17690415

    申请日：2022-03-09

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Debapriya Sahu ,  Rohit Chatterjee

    IPC: H03F1/02 ,  H03F3/21 ,  H03F3/193 ,  H03F3/45

    Abstract: One example includes a device that is comprised of a pre-power amplifier, a power amplifier, a signal path, and a dynamic bias circuit. The pre-power amplifier amplifies an input signal and outputs a first amplified signal. The power amplifier receives the first amplified signal and amplifies the first amplified signal based on a dynamic bias signal to produce a second amplified signal at an output thereof. The signal path is coupled between an output of the pre-power amplifier and an input of the power amplifier. The dynamic bias circuit monitors the first amplified signal, generates the dynamic bias signal, and outputs the dynamic bias into the signal path.

    Integrated circuit devices with parallel power amplifier output paths
    3.
    发明授权
    Integrated circuit devices with parallel power amplifier output paths 有权

    公开(公告)号：US12176853B2

    公开(公告)日：2024-12-24

    申请号：US17334527

    申请日：2021-05-28

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Rohit Chatterjee

    IPC: H03F1/02 ,  H03F3/213 ,  H03F3/45 ,  H03H7/38 ,  H03K17/56

    Abstract: An integrated circuit device is provided. In some examples, the integrated circuit device includes a first amplifier path, a second amplifier path coupled in parallel with the first amplifier path, a matching network coupled to the first amplifier path and the second amplifier path, and an antenna coupled to the matching network. In some such examples, the first amplifier path includes a first differential power amplifier coupled to the matching network, and the second amplifier path includes a second differential power amplifier coupled to the matching network. The integrated circuit device may further include a controller coupled to selectively enable the first amplifier path to provide a transmitter output power within a first range and to selectively enable the second amplifier path to provide a transmitter output power within a second range that is different from the first range.

    Dynamically configurable transmitter power levels
    4.
    发明授权
    Dynamically configurable transmitter power levels 有权

    公开(公告)号：US11606109B2

    公开(公告)日：2023-03-14

    申请号：US17385653

    申请日：2021-07-26

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Rohit Chatterjee

    IPC: H04B1/04 ,  H03F3/24 ,  H03F3/72 ,  H01L23/66

    Abstract: In many examples, a device comprises a transmitter. The transmitter comprises a power amplifier, a first transformer coil coupled to the power amplifier, and a second transformer coil adapted to be electromagnetically coupled to the first transformer coil. The transmitter also comprises a first bond wire coupled to a first end of the second transformer coil and adapted to be coupled to a first end of an antenna, a capacitor coupled to a second end of the second transformer coil, a switch coupled to the capacitor and configured to engage and disengage the capacitor from the transmitter, and a second bond wire coupled to the switch and adapted to be coupled to a second end of the antenna.

    INTEGRATED CIRCUIT DEVICES WITH PARALLEL POWER AMPLIFIER OUTPUT PATHS
    5.
    发明申请
    INTEGRATED CIRCUIT DEVICES WITH PARALLEL POWER AMPLIFIER OUTPUT PATHS 有权

    公开(公告)号：US20210288613A1

    公开(公告)日：2021-09-16

    申请号：US17334527

    申请日：2021-05-28

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Rohit Chatterjee

    IPC: H03F1/02 ,  H03K17/56 ,  H03F3/45 ,  H03F3/213 ,  H03H7/38

    Abstract: An integrated circuit device is provided. In some examples, the integrated circuit device includes a first amplifier path, a second amplifier path coupled in parallel with the first amplifier path, a matching network coupled to the first amplifier path and the second amplifier path, and an antenna coupled to the matching network. In some such examples, the first amplifier path includes a first differential power amplifier coupled to the matching network, and the second amplifier path includes a second differential power amplifier coupled to the matching network. The integrated circuit device may further include a controller coupled to selectively enable the first amplifier path to provide a transmitter output power within a first range and to selectively enable the second amplifier path to provide a transmitter output power within a second range that is different from the first range.

    METHODS, SYSTEMS, AND APPARATUS FOR COUPLING POWER AMPLIFIER INPUT SIGNALS
    7.
    发明申请
    METHODS, SYSTEMS, AND APPARATUS FOR COUPLING POWER AMPLIFIER INPUT SIGNALS 有权

    公开(公告)号：US20250062733A1

    公开(公告)日：2025-02-20

    申请号：US18234651

    申请日：2023-08-16

    Applicant: Texas Instruments Incorporated

    Inventor： Rohit Chatterjee

    IPC: H03F3/68 ,  H03F3/195 ,  H03F3/24 ,  H03F3/45 ,  H03F3/72

    Abstract: Methods, systems, and apparatus are disclosed for coupling a power amplifier input signal. An example system a first amplifier including a signal input, a feedback input, and a differential output that includes a first output and a second output, a first resistor including a first resistor terminal and a second resistor terminal, wherein the first resistor terminal is coupled to the first output, a second resistor including a third resistor terminal and a fourth resistor terminal, wherein the third resistor terminal is coupled to the second resistor terminal at an output common mode node and the fourth resistor terminal coupled to the second output, and a second amplifier including a first input and a third output, wherein the first input is coupled to the second resistor terminal and third resistor terminal, and the third output is coupled to the feedback input of the first amplifier.

    Transceiver with auxiliary receiver calibration apparatus and methodology
    9.
    发明授权
    Transceiver with auxiliary receiver calibration apparatus and methodology 有权

    公开(公告)号：US11683066B2

    公开(公告)日：2023-06-20

    申请号：US17348817

    申请日：2021-06-16

    Applicant: Texas Instruments Incorporated

    Inventor： Debapriya Sahu ,  Rohit Chatterjee ,  Srinivas Venkata Veeramreddi

    IPC: H04B1/44 ,  H04L27/36

    CPC classification number: H04B1/44 ,  H04L27/367

    Abstract: A wireless transceiver. The transceiver includes: (i) a transmit signal path; (ii) a calibration path, comprising a conductor to connect a calibration tone into the transmit signal path; (iii) a receive signal path, comprising a first data signal path to process a first data and a second data signal path, different than the first data signal path, to process a second data; (iv) a first capacitive coupling to couple a response to the calibration tone from the transmit signal path to the first data signal path; and (v) a second capacitive coupling to couple a response to the calibration tone from the transmit signal path to the second data signal path.

    Dynamically biased power amplification
    10.
    发明授权
    Dynamically biased power amplification 有权

    公开(公告)号：US11303248B2

    公开(公告)日：2022-04-12

    申请号：US16180879

    申请日：2018-11-05

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Debapriya Sahu ,  Rohit Chatterjee

    IPC: H03F1/02 ,  H03F3/21 ,  H03F3/193 ,  H03F3/45 ,  H03H7/06

    Abstract: One example includes a device that is comprised of a pre-power amplifier, a power amplifier, a signal path, and a dynamic bias circuit. The pre-power amplifier amplifies an input signal and outputs a first amplified signal. The power amplifier receives the first amplified signal and amplifies the first amplified signal based on a dynamic bias signal to produce a second amplified signal at an output thereof. The signal path is coupled between an output of the pre-power amplifier and an input of the power amplifier. The dynamic bias circuit monitors the first amplified signal, generates the dynamic bias signal, and outputs the dynamic bias into the signal path.

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