-
公开(公告)号：KR101332566B1
公开(公告)日：2013-11-25
申请号：KR1020120114203
申请日：2012-10-15
Applicant: 숭실대학교산학협력단
CPC classification number: H03F1/0211 , H03C1/02 , H03F3/20 , H03F3/45 , H03F3/68
Abstract: The present invention relates to a bias modulator including a multi-amplification mode and an amplification mode control method, and a bias modulator including the multi-amplification mode comprises: a driving power signal generator for generating a driving power signal by comparing a signal, differently amplified, with an envelope signal, detected from a signal inputted to a power amplifier and linearly amplified, and a power signal generator capable of generating a power signal supplied to the power amplifier by controlling the number of pulse modulation amplifiers for amplifying the driving power signal according to the power size of the signal inputted to the power amplifier, by driving the plurality of the pulse width modulation amplifiers, and by receiving the driving power signal. Therefore, the bias modulator can reduce unnecessary power consumption by controlling the size of the power outputted to the power amplifier according to the power size of the signal inputted to the power amplifier. [Reference numerals] (111) Calculation amplifying unit;(112) Differential amplifying unit;(113) Comparing unit;(121) On/off control unit;(122) Driving amplifying unit;(123) Multi amplifying unit
Abstract translation: 本发明涉及包括多放大模式和放大模式控制方法的偏置调制器，以及包括多放大模式的偏置调制器，包括：驱动功率信号发生器，用于通过比较信号来产生驱动功率信号 从输入到功率放大器的信号中检测出的线性放大的包络信号，以及能够通过控制用于放大驱动功率信号的脉冲调制放大器的数量产生提供给功率放大器的功率信号的电力信号发生器 根据输入到功率放大器的信号的功率大小，通过驱动多个脉宽调制放大器，并通过接收驱动功率信号。 因此，偏置调制器可以通过根据输入到功率放大器的信号的功率尺寸来控制输出到功率放大器的功率的大小来减少不必要的功率消耗。 （111）计算放大单元;（112）差分放大单元;（113）比较单元;（121）开/关控制单元;（122）驱动放大单元;（123）多放大单元
-
公开(公告)号：KR1020150017997A
公开(公告)日：2015-02-23
申请号：KR1020130094350
申请日：2013-08-08
Applicant: 에스케이하이닉스 주식회사 , 숭실대학교산학협력단
IPC: H02J17/00
CPC classification number: H04B5/0037 , H02J50/10 , H04B5/0031 , H04B5/0075 , H04B5/0093 , H04B5/02
Abstract: 무선 전력 송신 회로와 무선 전력 수신 회로를 포함하는 무선 전력 송/수신 시스템에 있어서, 상기 무선 전력 송신 회로는 발진기; 상기 발진기에서 생성된 주기파에 응답해 직류를 교류로 변환하되, 온/오프 신호에 응답해 온/오프되는 DC-AC 컨버터; 상기 DC-AC 컨버터에 의해 변환된 교류 전력을 송신하기 위한 전력 송신 코일; 신호 수신 코일; 및 상기 신호 수신 코일을 통해 수신된 상기 온/오프 신호를 상기 DC-AC 컨버터로 전달하는 신호 수신부를 포함하고, 상기 무선 전력 수신 회로는 전력 수신 코일; 상기 전력 수신 코일을 통해 수신된 교류를 직류로 변환하되, 상기 온/오프 신호에 응답해 온/오프되는 정류기; 상기 정류기에 의해 변환된 직류 전압의 레벨이 충분한지/아닌지를 나타내는 상기 온/오프 신호를 생성하는 온/오프 신호 생성부; 신호 송신 코일; 및 상기 신호 송신 코일을 통해 상기 온/오프 신호를 전송하는 신호 전송부를 포함한다.
Abstract translation: 提供了包括无线电力发送电路和无线电力接收电路的无线电力发送/接收系统。 无线电力发送电路包括：振荡器; DC-AC转换器，响应于从振荡器产生的周期波，将DC电压转换成AC电压，并响应于接通/断开信号而导通/截止; 传输由DC-AC转换器转换的DC电压的电力传输线圈; 信号接收线圈; 以及信号接收单元，其将由信号接收线圈接收的开/关信号传送到DC-AC转换器。 无线电力接收电路包括：受电线圈; 整流器，将由受电线圈接收到的交流电压转换为直流电压，并根据开关信号调谐开/关; 产生用于指示由整流器转换的直流电压的电平是否足够高的导通/截止信号产生单元; 信号传输线圈; 以及信号发送单元，其通过信号发送线圈发送开/关信号。
-
-
公开(公告)号：KR101322738B1
公开(公告)日：2013-11-04
申请号：KR1020120126359
申请日：2012-11-08
Applicant: 숭실대학교산학협력단
IPC: H02M7/155
CPC classification number: H03K19/018521
Abstract: The present invention relates to a power amplifier using a differential structure. The power amplifier using the differential structure according to the present invention comprises: first and second transistors in which each first end is connected to a first power source supplying a first voltage and signals having the same size and different polarities are inputted; third and fourth transistors in which each first end is connected to the first ends of the first and second transistors; and a fifth transistor in which a first end is connected to second ends of the third and fourth transistors. The fifth transistor controls the oscillation of the third or fourth transistor. The power amplifier using the differential structure according to the present invention can reduce driving electricity which is necessary for a power amplifier end by using a help transistor and produce a large output. The power amplifier using the differential structure forms a switch transistor with a small size by connecting the switch transistor for controlling the oscillation only to the help transistor which becomes the cause of the oscillation and obtains an economic effect of reducing manufacturing costs.
Abstract translation: 本发明涉及一种使用差分结构的功率放大器。 使用根据本发明的差分结构的功率放大器包括：第一和第二晶体管，其中每个第一端连接到提供第一电压的第一电源，并输入具有相同尺寸和不同极性的信号; 第三和第四晶体管，其中每个第一端连接到第一和第二晶体管的第一端; 以及第五晶体管，其中第一端连接到第三和第四晶体管的第二端。 第五晶体管控制第三或第四晶体管的振荡。 使用根据本发明的差分结构的功率放大器可以通过使用帮助晶体管来减少功率放大器端所需的驱动电力并产生大的输出。 使用差分结构的功率放大器通过将用于控制振荡的开关晶体管连接到成为振荡原因的帮助晶体管而形成具有小尺寸的开关晶体管，并获得降低制造成本的经济效果。
-
-
-
Search Results
4
records
(took 0.018 seconds)
