Power amplifier control circuits
    1.
    发明授权
    Power amplifier control circuits 有权
    功率放大器控制电路

    公开(公告)号:US08975961B2

    公开(公告)日:2015-03-10

    申请号:US13902389

    申请日:2013-05-24

    CPC classification number: H03G1/00 H03F3/211 H03F3/24

    Abstract: Circuits for reducing power consumption in power amplifier circuits are disclosed. In certain embodiments, a circuit for power control in the transmitter includes a coupling circuit, a first power amplifier circuit and a second power amplifier circuit. The coupling circuit includes a primary winding inductively associated with a first secondary winding and a second secondary winding. The coupling circuit provides a signal at output terminals of the first secondary winding and the second secondary winding in response to a signal at the primary winding. A first power amplifier circuit is coupled with output terminals of the first secondary winding, and a second power amplifier is coupled with output terminals of the second secondary winding. The first power amplifier circuit and second power amplifier circuit are configured to be enabled or disabled based on a bias voltage.

    Abstract translation: 公开了用于降低功率放大器电路中功耗的电路。 在某些实施例中,用于发射机中功率控制的电路包括耦合电路,第一功率放大器电路和第二功率放大器电路。 耦合电路包括与第一次级绕组和第二次级绕组感应地相关联的初级绕组。 耦合电路响应于初级绕组处的信号在第一次级绕组和第二次级绕组的输出端提供信号。 第一功率放大器电路与第一次级绕组的输出端耦合,第二功率放大器与第二次级绕组的输出端耦合。 第一功率放大器电路和第二功率放大器电路被配置为基于偏置电压被使能或禁用。

    POWER AMPLIFIER CONTROL CIRCUITS
    2.
    发明申请
    POWER AMPLIFIER CONTROL CIRCUITS 有权
    功率放大器控制电路

    公开(公告)号:US20140347124A1

    公开(公告)日:2014-11-27

    申请号:US13902389

    申请日:2013-05-24

    CPC classification number: H03G1/00 H03F3/211 H03F3/24

    Abstract: Circuits for reducing power consumption in power amplifier circuits are disclosed. In certain embodiments, a circuit for power control in the transmitter includes a coupling circuit, a first power amplifier circuit and a second power amplifier circuit. The coupling circuit includes a primary winding inductively associated with a first secondary winding and a second secondary winding. The coupling circuit provides a signal at output terminals of the first secondary winding and the second secondary winding in response to a signal at the primary winding. A first power amplifier circuit is coupled with output terminals of the first secondary winding, and a second power amplifier is coupled with output terminals of the second secondary winding. The first power amplifier circuit and second power amplifier circuit are configured to be enabled or disabled based on a bias voltage.

    Abstract translation: 公开了用于降低功率放大器电路中功耗的电路。 在某些实施例中,用于发射机中功率控制的电路包括耦合电路,第一功率放大器电路和第二功率放大器电路。 耦合电路包括与第一次级绕组和第二次级绕组感应地相关联的初级绕组。 耦合电路响应于初级绕组处的信号在第一次级绕组和第二次级绕组的输出端提供信号。 第一功率放大器电路与第一次级绕组的输出端耦合,第二功率放大器与第二次级绕组的输出端耦合。 第一功率放大器电路和第二功率放大器电路被配置为基于偏置电压被使能或禁用。

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