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公开(公告)号：KR1020140094779A
公开(公告)日：2014-07-31
申请号：KR1020130007219
申请日：2013-01-23
IPC: H02J17/00
CPC classification number: H03F3/2171 , H02J5/005 , H02J17/00 , H02J50/12 , H02J50/40 , H03F3/2176
Abstract: Disclosed is a wireless power transmitter transmitting charging power to a wireless power receiver. The wireless power transmitter according to the present invention comprises a power supply unit which provides power; an amplifier which outputs output power that the power supplied from the power supply unit is amplified with a predetermined gain and increases and outputs a power value of the output power when the size of measured impedance is increased; and a power transmission unit which transmits the amplified power to the wireless power receiver.
Abstract translation: 公开了向无线电力接收机发送充电电力的无线电力发射器。 根据本发明的无线电力发送器包括提供电力的电源单元; 输出从电源单元供给的电力以预定增益放大的输出功率的放大器，并且当测量的阻抗的大小增加时，增加并输出输出功率的功率值; 以及将放大的电力发送到无线电力接收器的电力传输单元。
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公开(公告)号：KR101727610B1
公开(公告)日：2017-05-02
申请号：KR1020160047631
申请日：2016-04-19
Applicant: 한국과학기술원
Abstract: 무선주파수용전력증폭기는캐스코드(cascode) 구조로연결된제1 공통소스트랜지스터및 제1 공통게이트트랜지스터를포함하고, 단일입력신호를증폭하여캐리어신호를출력하는메인증폭부, 캐스코드구조로연결된제2 공통소스트랜지스터와제2 공통게이트트랜지스터를포함하고, 메인증폭부의중간출력에기초하여피크신호를출력하는보조증폭부및 제1 공통소스트랜지스터의출력단자에상응하는제1 노드와제2 공통소스트랜지스터의게이트단자사이에연결되어중간출력의적어도일부를보조증폭부에전달하는커플링커패시터를포함한다.
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公开(公告)号：KR101895210B1
公开(公告)日：2018-09-07
申请号：KR1020170044125
申请日：2017-04-05
Applicant: 한국과학기술원
CPC classification number: H03F1/3205 , H03F1/223 , H03F2201/3212
Abstract: 드레인, 소스, 게이트및 바디를포함하는공통게이트트랜지스터, 드레인과바디사이에연결되는바디저항, 바디와소스사이에형성되는다이오드및 공통게이트트랜지스터의소스와연결되어입력신호를수신하는공통소스트랜지스터를포함하는전력증폭기.
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