-
1.发明授权Signal extraction circuit and distortion-compensated amplifier incorporating the same 有权信号提取电路和包含其的失真补偿放大器公开(公告)号：US07456688B2
公开(公告)日：2008-11-25
申请号：US11806197
申请日：2007-05-30
申请人： Yousuke Okazaki , Hiroaki Maeda , Yasushi Seino , Takashi Ono
发明人： Yousuke Okazaki , Hiroaki Maeda , Yasushi Seino , Takashi Ono
IPC分类号： H03F1/26
CPC分类号： H04B1/0475 , H03F1/32 , H03F1/3247 , H03F1/3282 , H03F1/3294 , H03F3/24 , H03F2200/204 , H03F2200/207 , H03F2200/336 , H03F2200/451 , H03F2201/3227 , H03F2201/3231
摘要： To cancel a reflected wave reflected from a connecting portion (22) and leaking into a feedback signal when a non-matched component is connected, the reflected wave is extracted by a circulator (30) and its phase and amplitude are adjusted by a vector adjusting circuit (32), and then the thus adjusted reflected wave is vector-summed with the feedback signal in a vector sum circuit (34).
摘要翻译： 为了消除从连接部分（22）反射的反射波并且当连接非匹配分量时泄漏到反馈信号中，反射波被循环器（30）提取，并且其相位和幅度通过矢量调整 电路（32），然后将这样调整的反射波与向量和电路（34）中的反馈信号进行向量相加。
-
2.发明申请Signal extraction circuit and distortion-compensated amplifier incorporating the same 有权信号提取电路和包含其的失真补偿放大器公开(公告)号：US20070241816A1
公开(公告)日：2007-10-18
申请号：US11806197
申请日：2007-05-30
申请人： Yousuke Okazaki , Hiroaki Maeda , Yasushi Seino , Takashi Ono
发明人： Yousuke Okazaki , Hiroaki Maeda , Yasushi Seino , Takashi Ono
IPC分类号： H03F1/26
CPC分类号： H04B1/0475 , H03F1/32 , H03F1/3247 , H03F1/3282 , H03F1/3294 , H03F3/24 , H03F2200/204 , H03F2200/207 , H03F2200/336 , H03F2200/451 , H03F2201/3227 , H03F2201/3231
摘要： To cancel a reflected wave reflected from a connecting portion (22) and leaking into a feedback signal when a non-matched component is connected, the reflected wave is extracted by a circulator (30) and its phase and amplitude are adjusted by a vector adjusting circuit (32), and then the thus adjusted reflected wave is vector-summed with the feedback signal in a vector sum circuit (34).
摘要翻译： 为了消除从连接部分（22）反射的反射波并且当连接非匹配分量时泄漏到反馈信号中，反射波被循环器（30）提取，并且其相位和幅度通过矢量调整 电路（32），然后将这样调整的反射波与向量和电路（34）中的反馈信号进行向量相加。
-
公开(公告)号：US20080068191A1
公开(公告)日：2008-03-20
申请号：US11790384
申请日：2007-04-25
申请人： Hiroaki Maeda , Takashi Ono , Yousuke Okazaki , Hirotake Honda , Hiroyuki Ezuka
发明人： Hiroaki Maeda , Takashi Ono , Yousuke Okazaki , Hirotake Honda , Hiroyuki Ezuka
IPC分类号： G08B21/00
CPC分类号： H03F1/3247 , H03F2201/3233 , H04B1/0466 , H04B2001/0416
摘要： An amplifier failure detection apparatus for a radio transmitter that has a function for compensating for amplifier distortion of the radio transmitter and a function for determining amplifier failure has occurred by detecting that the gain of an amplifier has dropped a set level or more, in which: a gain-detection unit detects the gain of the amplifier; an alarm-detection-level-generation unit, which has a table for storing alarm-detection levels that correspond to input-amplitude levels, generates an alarm-detection level that corresponds to an input-amplitude level; and a comparison unit compares the gain detected by the gain-detection unit with the alarm-detection level, and generates an alarm based on the comparison results.
摘要翻译： 通过检测放大器的增益已经下降了设定值以上，已经发生了具有补偿无线电发射机的放大器失真的功能的放大器故障检测装置和用于确定放大器故障的功能，其中： 增益检测单元检测放大器的增益; 具有用于存储对应于输入幅度电平的报警检测电平的表的报警检测电平生成单元生成与输入幅度电平对应的报警检测电平; 并且比较单元将由增益检测单元检测到的增益与报警检测水平进行比较，并且基于比较结果生成报警。
-
公开(公告)号：US07786797B2
公开(公告)日：2010-08-31
申请号：US12580802
申请日：2009-10-16
IPC分类号： H03F3/68
CPC分类号： H03F3/2176 , H03F1/0288 , H03F1/56 , H03F2200/378 , H03F2200/387 , H03F2200/465
摘要： The amplifying apparatus includes an amplifier having a circuit constant determined so as to satisfy a condition for E-class operation; power detecting unit which detects an output electricity from the amplifier; and controlling unit which controls the circuit constant in accordance with the output power detected by the power detecting unit.
摘要翻译： 放大装置包括具有确定为满足E级操作条件的电路常数的放大器; 功率检测单元，其检测来自放大器的输出电力; 以及根据由功率检测单元检测到的输出功率来控制电路恒定的控制单元。
-
公开(公告)号：US08022763B2
公开(公告)日：2011-09-20
申请号：US11790384
申请日：2007-04-25
申请人： Hiroaki Maeda , Takashi Ono , Yousuke Okazaki , Hirotake Honda , Hiroyuki Ezuka
发明人： Hiroaki Maeda , Takashi Ono , Yousuke Okazaki , Hirotake Honda , Hiroyuki Ezuka
IPC分类号： H03F21/00
CPC分类号： H03F1/3247 , H03F2201/3233 , H04B1/0466 , H04B2001/0416
摘要： An amplifier failure detection apparatus for a radio transmitter that has a function for compensating for amplifier distortion of the radio transmitter and a function for determining amplifier failure has occurred by detecting that the gain of an amplifier has dropped a set level or more, in which: a gain-detection unit detects the gain of the amplifier; an alarm-detection-level-generation unit, which has a table for storing alarm-detection levels that correspond to input-amplitude levels, generates an alarm-detection level that corresponds to an input-amplitude level; and a comparison unit compares the gain detected by the gain-detection unit with the alarm-detection level, and generates an alarm based on the comparison results.
摘要翻译： 通过检测放大器的增益已经下降了设定值以上，已经发生了具有补偿无线电发射机的放大器失真的功能的放大器故障检测装置和用于确定放大器故障的功能，其中： 增益检测单元检测放大器的增益; 具有用于存储对应于输入幅度电平的报警检测电平的表的报警检测电平生成单元生成与输入幅度电平对应的报警检测电平; 并且比较单元将由增益检测单元检测到的增益与报警检测水平进行比较，并且基于比较结果生成报警。
-
公开(公告)号：US20070285158A1
公开(公告)日：2007-12-13
申请号：US11790982
申请日：2007-04-30
申请人： Akira Seino , Hiroaki Maeda , Takashi Ono , Yousuke Okazaki
发明人： Akira Seino , Hiroaki Maeda , Takashi Ono , Yousuke Okazaki
CPC分类号： H03F1/0288 , H03F1/52 , H03F2200/207 , H03F2200/465 , H03F2200/471
摘要： The present invention provides an amplifier unit including a carrier amplifier biased for Class A or Class AB operation; a peak amplifier biased for Class B or Class C operation, wherein an input signal is input to the carrier amplifier and the peak amplifier, and wherein output signals from the carrier amplifier and the peak amplifier are synthesized to output therefrom; a comparator configured to compare a gate bias voltage of a transistor device in the peak amplifier with a predetermined threshold voltage and output a first output signal; and a failure detection circuit configured to output a second output signal indicating presence or absence of failure, based on the first output signal received from the comparator.
摘要翻译： 本发明提供一种放大器单元，其包括偏置用于A类或AB类操作的载波放大器; 偏置用于B类或C类工作的峰值放大器，其中输入信号被输入到载波放大器和峰值放大器，并且其中来自载波放大器和峰值放大器的输出信号被合成以从其输出; 比较器，用于将所述峰值放大器中的晶体管器件的栅极偏置电压与预定阈值电压进行比较，并输出第一输出信号; 以及故障检测电路，被配置为基于从所述比较器接收的所述第一输出信号，输出指示故障有无的第二输出信号。
-
公开(公告)号：US07456687B2
公开(公告)日：2008-11-25
申请号：US11790982
申请日：2007-04-30
申请人： Akira Seino , Hiroaki Maeda , Takashi Ono , Yousuke Okazaki
发明人： Akira Seino , Hiroaki Maeda , Takashi Ono , Yousuke Okazaki
IPC分类号： H03F3/68
CPC分类号： H03F1/0288 , H03F1/52 , H03F2200/207 , H03F2200/465 , H03F2200/471
摘要： The present invention provides an amplifier unit including a carrier amplifier biased for Class A or Class AB operation; a peak amplifier biased for Class B or Class C operation, wherein an input signal is input to the carrier amplifier and the peak amplifier, and wherein output signals from the carrier amplifier and the peak amplifier are synthesized to output therefrom; a comparator configured to compare a gate bias voltage of a transistor device in the peak amplifier with a predetermined threshold voltage and output a first output signal; and a failure detection circuit configured to output a second output signal indicating presence or absence of failure, based on the first output signal received from the comparator.
摘要翻译： 本发明提供一种放大器单元，其包括偏置用于A类或AB类操作的载波放大器; 偏置用于B类或C类工作的峰值放大器，其中输入信号被输入到载波放大器和峰值放大器，并且其中来自载波放大器和峰值放大器的输出信号被合成以从其输出; 比较器，用于将所述峰值放大器中的晶体管器件的栅极偏置电压与预定阈值电压进行比较，并输出第一输出信号; 以及故障检测电路，被配置为基于从所述比较器接收到的所述第一输出信号，输出指示故障有无的第二输出信号。
-
公开(公告)号：US08558616B2
公开(公告)日：2013-10-15
申请号：US13234285
申请日：2011-09-16
CPC分类号： H03F1/3247 , H03F3/24 , H03F2200/102 , H03F2201/3224 , H03F2201/3233
摘要： An amplifying apparatus includes a first amplifier that amplifies an input signal on the basis of a value of a drain voltage and outputs a transmission signal, a distortion compensator that corrects a power amplitude of the input signal on the basis of a difference in power amplitude between the input signal and the transmission signal outputted from the first amplifier, a drain voltage controller that generates the drain voltage on the basis of the power amplitude of the input signal to be corrected, and a drain voltage corrector that corrects the drain voltage on the basis of the difference.
摘要翻译： 放大装置包括：第一放大器，其基于漏极电压的值放大输入信号，并输出发送信号;失真补偿器，其基于功率幅度的差异来校正输入信号的功率幅度; 从第一放大器输出的输入信号和发送信号，基于要校正的输入信号的功率振幅来产生漏极电压的漏极电压控制器，以及基于漏极电压校正基准的漏极电压校正器 的区别。
-
9.发明授权公开(公告)号：US08680921B2
公开(公告)日：2014-03-25
申请号：US13426187
申请日：2012-03-21
IPC分类号： H03G3/20
CPC分类号： H03F1/0272 , H03F1/30 , H03F3/245 , H03F2200/18 , H03F2200/462 , H03G3/3042
摘要： A power amplifying apparatus has a GaN device for RF amplification, a GaN device for monitoring, an Idq detecting circuit, and a gate bias control (GBC) circuit. The GaN device for RF amplification amplifies an input signal to output the resultant. The GaN device for monitoring is an amplification device for monitoring an input/output signal of the GaN device for RF amplification. The Idq detecting circuit detects an output signal output by the GaN device for monitoring, corresponding to an input signal, which is diverged from the input signal to be input to the GaN device for RF amplification, and is input to the GaN device for monitoring. The gate bias control circuit controls a gate voltage to be applied to the GaN device for RF amplification in accordance with the output signal detected by the Idq detecting circuit.
摘要翻译： 功率放大装置具有用于RF放大的GaN器件，用于监视的GaN器件，Idq检测电路和栅极偏置控制（GBC）电路。 用于RF放大的GaN器件放大输入信号以输出结果。 用于监视的GaN器件是用于监视用于RF放大的GaN器件的输入/输出信号的放大器件。 Idq检测电路检测由GaN器件输出的输出信号，对应于从要输入到GaN器件的输入信号发散的输入信号进行监控，并输入到GaN器件进行监控。 栅极偏置控制电路根据由Idq检测电路检测的输出信号控制施加到GaN器件的RF放大的栅极电压。
-
公开(公告)号：US20100240329A1
公开(公告)日：2010-09-23
申请号：US12721064
申请日：2010-03-10
CPC分类号： H03F1/0288 , H03F1/0222 , H03F1/3247 , H03F2201/3233
摘要： An amplifying device includes an amplifier including a first amplifying element with a drain voltage thereof being controlled, and a second amplifying element, the amplifier amplifying a transmission signal with the first and second amplifying elements, synthesizing the transmission signals amplified by the first and second amplifying elements, and outputting the synthesized transmission signal; a distortion compensator part which performs distortion compensation on the input signal in accordance with a compensation coefficient derived from a difference between a input signal and a feedback signal generated from a portion of a signal output from the amplifier; and a controller part which controls the drain voltage of the first amplifying element in response to a result of a comparison between a power level of the input signal prior to the distortion compensation operation by the distortion compensator part and a threshold value.
摘要翻译： 一种放大装置，包括：放大器，包括其漏极电压被控制的第一放大元件;以及第二放大元件，放大器利用第一和第二放大元件放大发送信号，合成由第一和第二放大器放大的发送信号 并输出合成的发送信号; 失真补偿部，其根据从输入信号和从放大器输出的信号的一部分产生的反馈信号之间的差导出的补偿系数，对输入信号进行失真补偿; 以及控制器部分，其响应于在失真补偿器部分的失真补偿操作之前的输入信号的功率电平与阈值之间的比较的结果来控制第一放大元件的漏极电压。
-
-
-
-
-
-
-
-
-
搜索结果
14 条记录 (耗时 0.046 秒)