公开(公告)号：US09490755B2

公开(公告)日：2016-11-08

申请号：US15184910

申请日：2016-06-16

Applicant: Freescale Semiconductor, Inc.

Inventor： Abdulrhman M. S. Ahmed ,  Mario M. Bokatius ,  Paul R. Hart ,  Joseph Staudinger ,  Richard E. Sweeney

IPC: H03F3/68 ,  H03F1/02 ,  H03F3/21 ,  H03F3/19 ,  H04L7/00 ,  G06F13/42 ,  H04L27/22

CPC classification number: H03F1/0288 ,  G06F13/4282 ,  G06G7/10 ,  H03F3/189 ,  H03F3/19 ,  H03F3/211 ,  H03F3/602 ,  H03F3/68 ,  H03F2200/387 ,  H03F2200/438 ,  H03F2200/451 ,  H03F2203/21106 ,  H03F2203/21193 ,  H03G1/0088 ,  H03G2201/106 ,  H04L7/0079 ,  H04L27/22

Abstract: Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first circuit. The first circuit includes a first input coupled to a first power divider output, a first output coupled to a first amplifier path of the multiple amplifier paths, and a first adjustable phase shifter and a first attenuator series coupled between the first input and the first output. The second circuit includes a second input coupled to a second power divider output, a second output coupled to a second amplifier path of the multiple amplifier paths, and a second adjustable phase shifter coupled between the second input and the second output.

公开(公告)号：US09013246B2

公开(公告)日：2015-04-21

申请号：US13957075

申请日：2013-08-01

Applicant: Freescale Semiconductor, Inc.

Inventor： Damon G. Holmes ,  Jeffrey K. Jones ,  Joseph Staudinger ,  Michael E. Watts

IPC: H03H7/01 ,  H03F3/21 ,  H01P1/18 ,  H01P5/02 ,  H01P5/12

CPC classification number: H03F3/211 ,  H01P1/184 ,  H01P5/028 ,  H01P5/12 ,  H03F1/56 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/222 ,  H03F2200/336 ,  H03F2200/387

Abstract: The embodiments described herein can provide improved signal feeding between hybrid couplers and associated transistors. As such, these embodiments can improve the performance of amplifiers and other such RF devices that utilize these components. In one embodiment a device includes a distribution network and a compensation resonator. The distribution network is configured to output a signal through a relatively wide output feedline. This relatively wide output feedline provides distributed signal feeding that can improve signal distribution and performance. The output feedline is coupled to the compensation resonator. In general, the compensation resonator is configured to resonate with the distribution network at the frequency band of the signal. Thus, the distribution network and compensation resonator together can provide improved signal distribution while maintaining performance at the frequencies of interest.

Abstract translation: 本文描述的实施例可以提供混合耦合器和相关联的晶体管之间改进的信号馈送。 因此，这些实施例可以改善利用这些部件的放大器和其他这样的RF器件的性能。 在一个实施例中，装置包括配电网络和补偿谐振器。 分配网络被配置为通过相对宽的输出馈线输出信号。 这种相对较宽的输出馈线提供分布式信号馈送，可以改善信号分配和性能。 输出馈线耦合到补偿谐振器。 通常，补偿谐振器被配置为在信号的频带处与分配网络共振。 因此，分配网络和补偿谐振器可以提供改善的信号分配，同时保持感兴趣的频率的性能。

公开(公告)号：US08736347B2

公开(公告)日：2014-05-27

申请号：US13959254

申请日：2013-08-05

Applicant: Freescale Semiconductor, Inc.

Inventor： Abdulrhman M. S. Ahmed ,  Mario M. Bokatius ,  Paul R. Hart ,  Joseph Staudinger ,  Richard E. Sweeney

IPC: G06G7/12

CPC classification number: H03F1/0288 ,  G06F13/4282 ,  G06G7/10 ,  H03F3/189 ,  H03F3/19 ,  H03F3/211 ,  H03F3/602 ,  H03F3/68 ,  H03F2200/387 ,  H03F2200/438 ,  H03F2200/451 ,  H03F2203/21106 ,  H03F2203/21193 ,  H03G1/0088 ,  H03G2201/106 ,  H04L7/0079 ,  H04L27/22

Abstract: An adjustable power splitter includes: a power divider with an input and a first and second divider output; a first adjustable phase shifter and first adjustable attenuator series coupled to the first divider output and providing a first power output; a second adjustable phase shifter and second adjustable attenuator series coupled to the second divider output and providing a second power output; an interface; and a controller. The controller is configured to receive, via the interface, data indicating phase shifts to be applied by the first and second adjustable phase shifters and attenuation levels to be applied by the first and second adjustable attenuators, and to control, based on the data, the phase shifts and attenuation levels applied by the first and second adjustable phase shifters and the first and second adjustable attenuators.

Abstract translation: 可调功率分配器包括：具有输入的功率分配器和第一和第二分频器输出; 第一可调移相器和第一可调衰减器串联耦合到第一分频器输出并提供第一功率输出; 第二可调移相器和第二可调衰减器串联耦合到第二分频器输出并提供第二功率输出; 界面; 和控制器。 控制器被配置为经由接口接收指示要由第一和第二可调移相器施加的相移的数据和由第一和第二可调衰减器施加的衰减电平，并且基于该数据来控制 由第一和第二可调移相器以及第一和第二可调衰减器施加的相移和衰减电平。

公开(公告)号：US09837966B1

公开(公告)日：2017-12-05

申请号：US15248825

申请日：2016-08-26

Applicant: FREESCALE SEMICONDUCTOR, INC.

Inventor： Abdulrhman M. S. Ahmed ,  Joseph Staudinger ,  Ebrahim Al Seragi

IPC: H03F1/02 ,  H03F3/21 ,  H03F3/19

CPC classification number: H03F1/0288 ,  H03F3/19 ,  H03F3/21 ,  H03F2200/211 ,  H03F2200/451

Abstract: A series-type Doherty amplifier circuit includes a first amplifier, a second amplifier, and a directional coupler. The first amplifier is of a first type and has an input for receiving a radio frequency input signal, and an output. The second amplifier is of a second type and has an input and an output. The directional coupler has a first terminal coupled to the output of the first amplifier, a second terminal coupled to the input of the second amplifier, and a third terminal coupled to the output of the second amplifier for providing a radio frequency output signal. The series-type Doherty amplifier circuit may also include variable phase and attenuation circuits for adjusting the phase and attenuation of input signal for the second amplifier. The ability to adjust phase and attenuation allows high operating efficiency for any saturation power level.

公开(公告)号：US09692373B2

公开(公告)日：2017-06-27

申请号：US15068348

申请日：2016-03-11

Applicant: FREESCALE SEMICONDUCTOR INC.

Inventor： Joseph Staudinger ,  Maruf Ahmed ,  Hussain H. Ladhani

IPC: H03F3/191 ,  H03F3/217 ,  H03F1/56 ,  H03F1/02 ,  H03F1/08 ,  H03F3/60 ,  H03F3/193

CPC classification number: H03F3/2171 ,  H03F1/0205 ,  H03F1/086 ,  H03F1/565 ,  H03F3/193 ,  H03F3/601 ,  H03F2200/267 ,  H03F2200/333 ,  H03F2200/387 ,  H03F2200/391 ,  H03F2200/451

Abstract: The embodiments described herein provide inverse class F (class F−1) amplifiers. In general, the inverse class F amplifiers are implemented with a transistor, an output inductance and a transmission line configured to approximate inverse class F voltage and current output waveforms by compensating the effects of the transistor's intrinsic output capacitance for some even harmonic signals while providing a low impedance for some odd harmonic signals. Specifically, the transistor is configured with the output inductance and transmission line to form a parallel LC circuit that resonates at the second harmonic frequency. The parallel LC circuit effectively creates high impedance for the second harmonic signals, thus blocking the capacitive reactance path to ground for those harmonic signals that the intrinsic output capacitance would otherwise provide. This facilitates the operation of the amplifier as an effective, high efficiency, inverse class F amplifier.

公开(公告)号：US09369089B2

公开(公告)日：2016-06-14

申请号：US14559898

申请日：2014-12-03

Applicant: FREESCALE SEMICONDUCTOR, INC.

Inventor： Joseph Staudinger ,  Hugues Beaulaton ,  Damon G. Holmes ,  Jean-Christophe Nanan

IPC: H03F3/217 ,  H03F1/02 ,  H03F3/19 ,  H03F3/189 ,  H03F3/21 ,  H03F3/24 ,  H03F3/30 ,  H03F3/60 ,  H03F3/72

CPC classification number: H03F1/0205 ,  H03F3/189 ,  H03F3/19 ,  H03F3/211 ,  H03F3/2171 ,  H03F3/2175 ,  H03F3/2176 ,  H03F3/2178 ,  H03F3/245 ,  H03F3/30 ,  H03F3/602 ,  H03F3/72 ,  H03F2200/09 ,  H03F2200/171 ,  H03F2200/451 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/21106 ,  H03F2203/21142

Abstract: An embodiment of an amplifier includes N (N>1) switch-mode power amplifier (SMPA) branches. Each SMPA branch includes two drive signal inputs and one SMPA branch output. A module coupled to the amplifier samples an input RF signal, and produces combinations of drive signals based on the samples. When an SMPA branch receives a first combination of drive signals, it produces an output signal at one voltage level. Conversely, when the SMPA branch receives a different second combination of drive signals, it produces the output signal at another voltage level. At least two of the SMPA branches produce output signals having different absolute magnitudes. A combiner combines the output signals from all of the SMPA branches to produce a combined output signal that may have, at any given time, one of 2*N+1 quantization states.

Abstract translation: 放大器的一个实施例包括N（N> 1）个开关模式功率放大器（SMPA）分支。 每个SMPA分支包括两个驱动信号输入和一个SMPA分支输出。 耦合到放大器的模块对输入RF信号进行采样，并且基于样本产生驱动信号的组合。 当SMPA分支接收到驱动信号的第一组合时，它产生一个电压电平的输出信号。 相反，当SMPA分支接收到不同的驱动信号的第二组合时，它产生另一个电压电平的输出信号。 至少两个SMPA分支产生具有不同绝对值的输出信号。 组合器组合来自所有SMPA分支的输出信号以产生在任何给定时间可以具有2×N + 1个量化状态之一的组合输出信号。

公开(公告)号：US09203348B2

公开(公告)日：2015-12-01

申请号：US14086520

申请日：2013-11-21

Applicant: FREESCALE SEMICONDUCTOR, INC.

Inventor： Abdulrhman M. S. Ahmed ,  Joseph Staudinger ,  Paul R. Hart

IPC: G06G7/12 ,  H03F1/02 ,  H03F3/68 ,  H03F3/189 ,  H03F3/20 ,  H03F3/21 ,  H03F3/60

CPC classification number: H03F1/0288 ,  H03F1/3241 ,  H03F3/189 ,  H03F3/195 ,  H03F3/20 ,  H03F3/211 ,  H03F3/245 ,  H03F3/602 ,  H03F3/68 ,  H03F2200/225

Abstract: An adjustable power splitter includes: a power divider with an input and a plurality, N, of divider outputs; a plurality, N, of adjustable phase shifters and a plurality, N, of adjustable attenuators series coupled to the divider outputs and providing a plurality, N, of power outputs; an interface; and a controller. The controller is configured to receive, via the interface, data indicating phase shifts to be applied by the adjustable phase shifters and attenuation levels to be applied by the adjustable attenuators, and to control, based on the data, the phase shifts and attenuation levels applied by the adjustable phase shifters and the adjustable attenuators.

Abstract translation: 可调功率分配器包括：具有输入和多个N个分频器输出的功率分配器; 多个N个可调移相器和多个N个可调衰减器，串联耦合到除法器输出并提供多个N个功率输出; 界面; 和控制器。 控制器被配置为经由接口接收指示由可调移相器施加的相移的数据和由可调衰减器施加的衰减电平，并且基于该数据控制施加的相移和衰减电平 通过可调移相器和可调衰减器。