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公开(公告)号：EP3195471A1
公开(公告)日：2017-07-26
申请号：EP15777743.4
申请日：2015-09-17
发明人： MA, Rui , CHUNG, SungWon , TEO, Koon Hoo
CPC分类号： H03F1/0205 , H03F1/0211 , H03F1/42 , H03F1/565 , H03F3/189 , H03F3/19 , H03F3/21 , H03F2200/102 , H03F2200/36 , H03F2200/451
摘要： A wideband self-envelope tracking power amplifier (PA) can use more than a 40-MHz channel bandwidth and improves the envelope bandwidth limit of a self-envelope tracking PAs by ten times. The PA uses an envelope load network, which is based on a general multi-stage low-pass filter. The envelope load network located between an RF choke inductor and main DC power supply provides a dynamically modulated PA supply voltage without using a dedicated envelope amplifier. An input terminal of the network connects a main PA via an RF choke inductor to an input of low-pass filter. An output terminal is connected to the low-pass filter via an envelope choke inductor and to a direct current (DC) power supply. A DC blocker is connected between the output of the low-pass filter and ground by a termination resistor.
摘要翻译： 宽带自包络跟踪功率放大器（PA）可以使用超过40-MHz的信道带宽，并将自包络跟踪PA的包络带宽限制提高10倍。 功率放大器使用包络负载网络，该网络基于通用的多级低通滤波器。 位于RF扼流圈电感器和主DC电源之间的包络负载网络提供动态调制的PA电源电压，而无需使用专用的包络放大器。 网络的输入端子通过RF扼流线圈将主PA连接到低通滤波器的输入端。 输出端通过包络扼流圈电感器连接到低通滤波器并连接到直流（DC）电源。 直流阻断器通过端接电阻连接在低通滤波器的输出和地之间。
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公开(公告)号：EP3219063B1
公开(公告)日：2019-03-20
申请号：EP15794656.7
申请日：2015-10-27
发明人： MA, Rui , CHUNG, SungWon , TEO, Koon Hoo
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公开(公告)号：EP3219063A1
公开(公告)日：2017-09-20
申请号：EP15794656.7
申请日：2015-10-27
发明人： MA, Rui , CHUNG, SungWon , TEO, Koon Hoo
CPC分类号： H03K7/08 , H03F1/0294 , H03F3/24 , H04L25/4902
摘要： A method for generating a multi-band signal transforms multiple base-band envelope signals into a sequence of symbols representing a signal including a plurality of disjoint frequency bands. Each frequency band corresponds to a single base-band envelope signal. Each symbol corresponds to amplitude of the signal and is a number selected from a finite set of numbers. The method encodes the sequence of symbols as a plurality of pulse width modulation (PWM) signals. Each PWM signal includes a plurality of codes for encoding each symbol, such that a sum of values of the codes of the set of PWM signals encoding a symbol is proportional to a value of the symbol. The method amplifies the PWM signals to produce a plurality of amplified signals and combines the amplified signals to produce the multi-band signal.
摘要翻译： 用于生成多频带信号的方法将多个基带包络信号变换为表示包括多个不相交频带的信号的符号序列。 每个频带对应于单个基带包络信号。 每个符号对应于信号的幅度，并且是从有限数字集合中选择的数字。 该方法将符号序列编码为多个脉宽调制（PWM）信号。 每个PWM信号包括用于对每个符号进行编码的多个代码，使得编码符号的该组PWM信号的代码值的总和与该符号的值成比例。 该方法放大PWM信号以产生多个放大的信号并组合放大的信号以产生多频带信号。
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4.发明公开APPARATUS INCLUDING FIRST RESONANT TANK, SECOND RESONANT TANK AND SHUNT CAPACITOR 审中-公开VORRICHTUNG MIT EINEM ERSTEN RESONANTEN TANK，EINEM ZWEITEN RESONANTEN TANK UND EINEM PARALLELKONDENSATOR
公开(公告)号：EP3152833A1
公开(公告)日：2017-04-12
申请号：EP15731131.7
申请日：2015-05-28
发明人： MA, Rui , CHUNG, SungWon , TEO, Koon Hoo
CPC分类号： H03H7/38 , H03H7/0115 , H03H7/1758 , H03H7/1766 , H03H7/468 , H03H2007/013 , H03H2007/386 , H04M1/026
摘要： A wideband harmonic trap includes a first resonant tank in the form of a parallel LC circuit, and a second resonant tank in the form of a series LC circuit. The LC circuits are connected to a common input, an output of the parallel LC circuit is connected to a load and to ground via a shunt capacitor, and an output of the series LC circuit is connected to the ground.
摘要翻译： 宽带谐波陷波器包括并联LC电路形式的第一谐振回路和串联LC电路形式的第二谐振回路。 LC电路连接到公共输入，并联LC电路的输出通过并联电容器连接到负载和接地，串联LC电路的输出连接到地。
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