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91. 发明授权

US07024167B2 Method for amplitude modulation of a radio frequency signal, and device therefor 有权
标题翻译：无线电频率信号的幅度调制方法及其装置
公开(公告)号：US07024167B2
公开(公告)日：2006-04-04
申请号：US10480670
申请日：2002-06-05
申请人： Gérard Marque-Pucheu
发明人： Gérard Marque-Pucheu
IPC分类号： H03C1/52 , H04B1/04 , H01Q11/12
CPC分类号： H03C5/00
摘要： The invention provides a method and a device for amplitude modulation of a radio frequency signal using a variable-gain radio frequency power amplifier, for automatic control of the amplifier output signal by generating an error signal between an amplitude modulation signal and a signal representing the power of the amplifier output signal, from which a gain control signal of the amplifier is generated, to monitor potential saturation of the amplifier by comparing the relative phases of the error signal and of the amplitude modulation signal, and, in case of saturation of the amplifier, to generate a correction signal for lowering the operating point of the amplifier. The invention is applicable to a transmitter of a mobile station or a fixed station of a radio communication system.
摘要翻译：本发明提供一种使用可变增益射频功率放大器对射频信号进行幅度调制的方法和装置，用于通过在幅度调制信号和表示功率的信号之间产生误差信号来自动控制放大器输出信号放大器输出信号从放大器的增益控制信号产生，以通过比较误差信号和幅度调制信号的相对相位来监测放大器的电位饱和度，并且在放大器的饱和度的情况下以产生用于降低放大器的工作点的校正信号。本发明适用于无线电通信系统的移动站或固定站的发射机。

92. 发明授权

US07009447B2 Outphasing modulator 失效
标题翻译：外相调制器
公开(公告)号：US07009447B2
公开(公告)日：2006-03-07
申请号：US10720671
申请日：2003-11-25
申请人： Victor Korol
发明人： Victor Korol
IPC分类号： H03G1/00 , H03G9/00
CPC分类号： H03C5/00 , H03F1/0294
摘要： Briefly, an apparatus having an outphasing modulator that may provide at least first and second outphased signals to a power amplifier. The outphasing modulator may control amplitude of the first and second outphased signals by an amplitude modulation controller which may vary an amplitude level of first and second control signals base on a desired output power level of said power amplifier.
摘要翻译：简而言之，一种具有外部调制器的装置，其可以向功率放大器提供至少第一和第二异相信号。旁瓣调制器可以通过幅度调制控制器来控制第一和第二外相信号的幅度，幅度调制控制器可以基于所述功率放大器的期望的输出功率电平改变第一和第二控制信号的幅度电平。

93. 发明授权

US06968163B2 Method and transmission circuit for generating a transmission signal 有权
标题翻译：用于产生传输信号的方法和传输电路
公开(公告)号：US06968163B2
公开(公告)日：2005-11-22
申请号：US10220680
申请日：2001-03-02
申请人： Heinz Kuechler , Thomas Moliere , Jose Sevilla Garcia , Hartmut Wilhelm
发明人： Heinz Kuechler , Thomas Moliere , Jose Sevilla Garcia , Hartmut Wilhelm
IPC分类号： H03C5/00 , H03F1/32 , H03G3/30 , H04B1/04 , H04B7/005 , H03C1/52 , H03F1/36 , H04B1/02
CPC分类号： H03F1/3282 , H03C5/00 , H03F1/3223 , H03F1/3247 , H03F3/24 , H03F2200/102 , H03F2200/331 , H03G3/3036 , H04B2001/0441 , H04W52/52
摘要： A method and transmission circuit are provided for generating a transmission signal, wherein the feedback component of the transmission signal is attenuated in accordance with the required mean transmission power and used for regulation, i.e., the mean transmission power is adjusted by variable attenuation between the transmission amplifier and the comparator in the control loop.
摘要翻译：提供了一种用于产生传输信号的方法和传输电路，其中传输信号的反馈分量根据所需的平均传输功率衰减并用于调节，即，平均传输功率由传输之间的可变衰减放大器和比较器在控制回路中。

94. 发明申请

US20050242889A1 PLL modulation circuit and polar modulation apparatus 失效
标题翻译： PLL调制电路和极化调制装置
公开(公告)号：US20050242889A1
公开(公告)日：2005-11-03
申请号：US11078704
申请日：2005-03-14
申请人： Yosuke Mitani , Shunsuke Hirano
发明人： Yosuke Mitani , Shunsuke Hirano
IPC分类号： H03C5/00 , H03L7/00
CPC分类号： H03C5/00 , H03C3/0916 , H03C3/095 , H03C3/0991
摘要： First and second calibration signals (308, 309) are sent to a frequency divider (102) and an adder (116) of a PLL section (100A), demodulated in a demodulator (111), filtered through a low pass filter (113) and a high pass filter (114) and thereafter sent to a modulation signal control circuit (115). The modulation signal control circuit (115) generates control information (318) in comparison with the phase and amplitude of the first and second calibration signals (308 and 309) and sends the control information (318) to a modulation control signal generator (106). Modulation control signal generator (106) holds the control information (318) and controls the values of the first modulation signal and second modulation signal sent to the frequency divider (102) and adder (116) on the based on the control information (318) held in modulation operation.
摘要翻译：第一和第二校准信号（308,309）被发送到PLL部分（100A）的分频器（102）和加法器（116），在解调器（111）中解调，通过低通滤波器（113）滤波）和高通滤波器（114），然后发送到调制信号控制电路（115）。调制信号控制电路（115）与第一和第二校准信号（308和309）的相位和幅度相比产生控制信息（318），并将控制信息（318）发送到调制控制信号发生器（106）。调制控制信号发生器（106）保存控制信息（318），并根据控制信息（318）控制发送到分频器（102）和加法器（116）的第一调制信号和第二调制信号的值，举行调制操作。

95. 发明申请

US20050064830A1 Hybrid switched mode/linear power amplifier power supply for use in polar transmitter 有权
标题翻译：用于极性发射机的混合开关模式/线性功率放大器电源
公开(公告)号：US20050064830A1
公开(公告)日：2005-03-24
申请号：US10943547
申请日：2004-09-16
申请人： Vlad Grigore
发明人： Vlad Grigore
IPC分类号： H03F1/02 , H03F3/24 , H04B1/04 , H01Q11/12 , H03F3/68 , H04L27/04
CPC分类号： H03F3/24 , H03C5/00 , H03F1/0227 , H03F3/217 , H03F3/68 , H03F2200/451 , H03F2200/504 , H04B1/0483
摘要： In one aspect this invention provides a DC-DC converter that has a switch mode part for coupling between a DC source and a load, the switch mode part providing x amount of output power; and that further has a linear mode part coupled in parallel with the switch mode part between the DC source and the load, the linear mode part providing y amount of output power, where x is preferably greater than y, and the ratio of x to y may be optimized for particular application constraints. In a further aspect there is a radio frequency (RF) transmitter (TX) for coupling to an antenna, where the TX has a polar architecture having an amplitude modulation (AM) path coupled to a power supply of a power amplifier (PA) and a phase modulation (PM) path coupled to an input of the PA, where the power supply includes the switch mode part for coupling between a battery and the PA and the linear mode part coupled in parallel with the switch mode part between the battery and the PA.
摘要翻译：一方面，本发明提供了一种DC-DC转换器，其具有用于在DC源和负载之间耦合的开关模式部分，所述开关模式部分提供x量的输出功率; 并且还具有与DC源和负载之间的开关模式部分并联耦合的线性模式部分，线性模式部分提供y量的输出功率，其中x优选地大于y，并且x与y的比率可以针对特定的应用限制进行优化。在另一方面，存在用于耦合到天线的射频（RF）发射机（TX），其中TX具有极性结构，其具有耦合到功率放大器（PA）的电源的幅度调制（AM）路径，以及耦合到PA的输入的相位调制（PM）路径，其中电源包括用于在电池和PA之间耦合的开关模式部分和与电池和电池之间的开关模式部分并联耦合的线性模式部分 PA。

96. 发明申请

US20050046507A1 Pseudo-polar modulation for radio transmitters 有权
标题翻译：无线电发射机的伪极坐标调制
公开(公告)号：US20050046507A1
公开(公告)日：2005-03-03
申请号：US10639164
申请日：2003-08-11
申请人： Paul Dent
发明人： Paul Dent
IPC分类号： H03C3/40 , H03C5/00 , H03C3/00
CPC分类号： H03C5/00 , H03C3/40
摘要： Methods of modulating a radio transmitter. An amplitude modulation signal is generated based on in-phase (I) and quadrature (Q) components of an information signal, and so that it has a reduced predetermined characteristic compared to the magnitude of the I and Q components of the information signal. A complex signal is formed that has substantially the same phase angle variation as the I and Q components of the information signal so that the product of the complex signal and the amplitude modulation signal is substantially equal to the information signal.
摘要翻译：调制无线电发射机的方法。基于信息信号的同相（I）和正交（Q）分量产生幅度调制信号，并且与信息信号的I和Q分量的幅度相比，其具有减小的预定特性。形成具有与信息信号的I和Q分量基本相同的相位角变化的复信号，使得复信号和幅度调制信号的乘积基本上等于信息信号。

97. 发明授权

US06822523B2 Power modulator and method of operating a power modulator 有权
公开(公告)号：US06822523B2
公开(公告)日：2004-11-23
申请号：US10230679
申请日：2002-08-28
申请人： John Grosspietsch , Lawrence Cygan
发明人： John Grosspietsch , Lawrence Cygan
IPC分类号： H03C100
CPC分类号： H03F1/0227 , H03C5/00
摘要： To address the need for a power modulator that can efficiently operate within a wideband, high-speed communication system, a method and apparatus for power modulation is provided herein. In accordance with the preferred embodiment of the present invention an envelope reference signal is filtered in such a way that the bandwidth is reduced while keeping the instantaneous level of the filtered signal is greater than the unfiltered envelope level. Because the bandwidth of the envelope signal is reduced, efficient operation of the switching modulator can be achieved within wideband, high-speed communication systems.

98. 发明授权

US06734724B1 Power control and modulation of switched-mode power amplifiers with one or more stages 有权
标题翻译：具有一个或多个阶段的开关式功率放大器的功率控制和调制
公开(公告)号：US06734724B1
公开(公告)日：2004-05-11
申请号：US09684497
申请日：2000-10-06
申请人： Stephan V. Schell , Wendell B. Sander , Ronald A. Meck , Robert J. Bayruns
发明人： Stephan V. Schell , Wendell B. Sander , Ronald A. Meck , Robert J. Bayruns
IPC分类号： H03F338
CPC分类号： H03F1/0227 , H03C5/00 , H03F1/0205 , H03F1/0211 , H03F1/0222 , H03F1/0244 , H03F1/025 , H03F3/217 , H03F3/2178 , H03F2200/324 , H03F2200/351 , H03F2200/405 , H03F2200/504 , H03G3/3047
摘要： This invention controls and modulates switched-mode power amplifiers to enable the production of signals that include amplitude modulation (and possibly, but not necessarily, phase modulation), the average power of which may be controlled over a potentially wide range.
摘要翻译：本发明控制和调制开关模式功率放大器以使得能够产生包括幅度调制（并且可能但不一定是相位调制）的信号，其平均功率可以在可能的宽范围内被控制。

99. 发明授权

US06690233B2 Efficient, precise RF modulation using multiple amplifier stages 有权
标题翻译：使用多个放大器级的高效，精确的RF调制
公开(公告)号：US06690233B2
公开(公告)日：2004-02-10
申请号：US09746530
申请日：2000-12-21
申请人： Wendell B. Sander
发明人： Wendell B. Sander
IPC分类号： H03F368
CPC分类号： H03C5/00 , H03F1/0222 , H03F1/0294
摘要： The present invention, generally speaking, provides a highly efficient RF power amplifier having a large output dynamic range. The amplifier avoid the large power dissipation that occurs in the LINC combiner at lower output levels. In general, this is achieved by using power-controlled switch-mode power amplifiers to vary output power at large power outputs, and reverting to LINC only at low output powers. Thus the present invention achieves the desirable combination of high efficiency at all output powers, while maintaining the fine output power control of the LINC method. More particularly, the power amplifier is based on a highly efficient structure in which amplitude modulation/power control of the output of an RF amplifier is achieved by operating the amplifier in switch mode and varying the power supply of the amplifier, as described more fully in U.S. patent application Ser. No. 09/637,269 entitled High-Efficiency Modulating RF Amplifier, filed Aug. 10, 2000 and incorporated herein by reference. Such an amplifier behaves quite linearly at high power but may exhibit non-linearity at lower output powers. Good linearity throughout a wide dynamic range, and particularly at low output power, may be achieved by phasing and combining the outputs of two (or more) such amplifiers. At high and medium power, the outputs are combined in-phase, allowing for low-loss, high-efficiency operation. At low power, the outputs are phased such that power subtraction occurs. In this manner, each amplifier may be operated at a power level that exhibits good linearity while producing an output signal of a lower power level that would normally fall within a region of substantial non-linearity.
摘要翻译：本发明一般地提供了具有大输出动态范围的高效RF功率放大器。放大器避免了LINC组合器在较低输出电平下发生的大功耗。一般来说，这是通过使用功率控制开关模式功率放大器来改变大功率输出的输出功率而实现的，并且仅在低输出功率下才能还原到LINC。因此，在保持LINC方法的精细输出功率控制的同时，本发明在所有输出功率下实现了高效率的期望组合。更具体地，功率放大器基于高效率的结构，其中通过以开关模式操作放大器并改变放大器的电源来实现RF放大器的输出的幅度调制/功率控制，如下文更全面地描述的美国专利申请 2000年8月10日提交的题为“高效率调制RF放大器”的No.09 / 637,269，并入本文作为参考。这种放大器在高功率下行为相当线性，但是在较低的输出功率下可能呈现非线性。可以通过两个（或多个）这样的放大器的输出相位和组合来实现在宽动态范围内，特别是在低输出功率下的良好线性度。在高功率和中等功率下，输出同相并联，允许低损耗，高效率的操作。在低功率时，输出被分阶段实现功率相减。以这种方式，每个放大器可以以显示良好线性度的功率电平工作，同时产生通常落在基本非线性区域内的较低功率电平的输出信号。

100. 发明授权

US06683918B2 High precision, low phase noise synthesizer with vector modulator 失效
标题翻译：具有矢量调制器的高精度，低相位噪声合成器
公开(公告)号：US06683918B2
公开(公告)日：2004-01-27
申请号：US10079615
申请日：2002-02-19
申请人： Thomas Jackson , David Bourner , Hai Tang
发明人： Thomas Jackson , David Bourner , Hai Tang
IPC分类号： H04L2720
CPC分类号： H03L7/23 , H03B27/00 , H03B28/00 , H03C3/0908 , H03C3/0983 , H03C5/00 , H03D7/00 , H03L7/1806
摘要： An apparatus for generating a modulated signal which includes a modulator operative for receiving a first signal and input data signals, and modulating the first signal in accordance with the input data signals so as to produce a modulated reference signal; a first frequency divider coupled to the modulator output, operative to reduce the frequency of the modulated reference signal by a predetermined factor; a signal generator operative to produce a second signal; a first mixer having a first input coupled to an output of the first frequency divider and a second input coupled to the output of the signal generator. The first mixer operates to frequency translate the modulated reference signal by an amount equal to the frequency of the second signal. In addition, the signal generator of the present invention contains a direct digital synthesizer coupled to a second phase lock loop which operates to up-convert the output signal of the DDS to the microwave region. The feedback network of the second phase lock loop utilizes frequency translation to down-convert the output signal in order to close the loop.
摘要翻译：一种用于产生调制信号的装置，包括调制器，用于接收第一信号和输入数据信号，并根据输入数据信号对第一信号进行调制以产生调制参考信号; 耦合到所述调制器输出的第一分频器，用于将调制的参考信号的频率降低预定因子; 操作以产生第二信号的信号发生器; 第一混频器具有耦合到第一分频器的输出端的第一输入端和耦合到信号发生器的输出端的第二输入端。第一混频器用于对调制参考信号进行频率转换等于第二信号频率的量。此外，本发明的信号发生器包含耦合到第二锁相环的直接数字合成器，其操作以将DDS的输出信号上变频到微波区域。第二锁相环的反馈网络利用频率转换来对输出信号进行下变频以便闭环。

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