公开(公告)号：US09768731B2

公开(公告)日：2017-09-19

申请号：US14968045

申请日：2015-12-14

Applicant: Eta Devices, Inc.

Inventor： David J. Perreault ,  Joel L. Dawson ,  Wei Li ,  Yevgeniy A. Tkachenko ,  Balaji Lakshminarayanan ,  John Hoversten

IPC: H04B1/04 ,  H03F1/02 ,  H03F3/68 ,  H03F3/19 ,  H03F3/21 ,  H03G3/30 ,  H03F3/24 ,  H03G3/00

CPC classification number: H03F1/0211 ,  H03F1/02 ,  H03F1/0227 ,  H03F3/19 ,  H03F3/21 ,  H03F3/211 ,  H03F3/24 ,  H03F3/245 ,  H03F2200/451 ,  H03F2200/504 ,  H03F2200/511 ,  H03F2200/555 ,  H03F2203/21106 ,  H03G3/004 ,  H03G3/3042 ,  H04B1/0475 ,  H04B1/0483 ,  H04B2001/0408 ,  H04B2001/045

Abstract: Described embodiments provide a radio frequency (RF) amplifier system having at least one amplifier. The at least one amplifier includes an RF input port, an RF output port and a drain bias port. At least one voltage modulator is coupled to the bias port of the least one amplifier to provide a bias voltage. The bias voltage is selected by switching among a plurality of discrete voltages. At least one filter circuit is coupled between the at least one voltage modulator and the at least one amplifier. The at least one filter circuit controls spectral components resultant from transitions in the bias voltage when switching among the plurality of discrete voltages. A controller dynamically adapts at least one setting of the at least one voltage modulator by using multi-pulse transitions when switching among the plurality of discrete voltages for a first operating condition of the RF amplifier.

公开(公告)号：US20160099686A1

公开(公告)日：2016-04-07

申请号：US14968045

申请日：2015-12-14

Applicant: Eta Devices, Inc.

Inventor： David J. Perreault ,  Joel L. Dawson ,  Wei Li ,  Yevgeniy A. Tkachenko ,  Balaji Lakshminarayanan ,  John Hoversten

IPC: H03F1/02 ,  H03F3/21 ,  H03F3/19

CPC classification number: H03F1/0211 ,  H03F1/02 ,  H03F1/0227 ,  H03F3/19 ,  H03F3/21 ,  H03F3/211 ,  H03F3/24 ,  H03F3/245 ,  H03F2200/451 ,  H03F2200/504 ,  H03F2200/511 ,  H03F2200/555 ,  H03F2203/21106 ,  H03G3/004 ,  H03G3/3042 ,  H04B1/0475 ,  H04B1/0483 ,  H04B2001/0408 ,  H04B2001/045

Abstract: Described embodiments provide a radio frequency (RF) amplifier system having at least one amplifier. The at least one amplifier includes an RF input port, an RF output port and a drain bias port. At least one voltage modulator is coupled to the bias port of the least one amplifier to provide a bias voltage. The bias voltage is selected by switching among a plurality of discrete voltages. At least one filter circuit is coupled between the at least one voltage modulator and the at least one amplifier. The at least one filter circuit controls spectral components resultant from transitions in the bias voltage when switching among the plurality of discrete voltages. A controller dynamically adapts at least one setting of the at least one voltage modulator by using multi-pulse transitions when switching among the plurality of discrete voltages for a first operating condition of the RF amplifier.

Abstract translation: 所描述的实施例提供了具有至少一个放大器的射频（RF）放大器系统。 所述至少一个放大器包括RF输入端口，RF输出端口和漏极偏置端口。 至少一个电压调制器耦合到至少一个放大器的偏置端口以提供偏置电压。 通过在多个离散电压之间切换来选择偏置电压。 至少一个滤波电路耦合在至少一个电压调制器和至少一个放大器之间。 所述至少一个滤波器电路控制在所述多个离散电压之间切换时由偏置电压的转变产生的频谱分量。 当在RF放大器的第一工作状态之间切换多个离散电压时，控制器通过使用多脉冲跃迁来动态地适配至少一个电压调制器的至少一个设置。