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公开(公告)号:US06812794B1
公开(公告)日:2004-11-02
申请号:US09936212
申请日:2001-09-10
IPC分类号: H03F304
CPC分类号: H03F3/602 , H03F1/565 , H03F2200/318 , H03H7/38
摘要: An inter-stage matching circuit 26 comprises a one-stage high pass filter type matching unit 28 and a one-stage low pass filter type matching unit 29 serially connected with each other.
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公开(公告)号:US06750724B1
公开(公告)日:2004-06-15
申请号:US10110200
申请日:2002-04-17
申请人: Kazutomi Mori , Shintarou Shinjo , Yukio Ikeda
发明人: Kazutomi Mori , Shintarou Shinjo , Yukio Ikeda
IPC分类号: H03F304
CPC分类号: H03F3/604 , H03F1/0261 , H03F1/30 , H03F1/3276 , H03F3/193 , H03F3/1935
摘要: A bias condition of at least one amplifier among amplifiers other than a last-stage amplifier is set in consideration of the relation between an idle current and a saturation current.
摘要翻译: 考虑到空载电流和饱和电流之间的关系,设置了最后一级放大器以外的放大器中的至少一个放大器的偏置条件。
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公开(公告)号:US06750720B1
公开(公告)日:2004-06-15
申请号:US10149390
申请日:2002-06-12
申请人: Kazutomi Mori , Shintarou Shinjo , Hiroyuki Joba , Yoshinori Takahashi , Yukio Ikeda , Tadashi Takagi
发明人: Kazutomi Mori , Shintarou Shinjo , Hiroyuki Joba , Yoshinori Takahashi , Yukio Ikeda , Tadashi Takagi
IPC分类号: H03F304
CPC分类号: H03F1/0261 , H03F1/302 , H03F3/19 , H03F3/343
摘要: Between resistors 13, 14 and an NPN bipolar transistor 12 are interposed PNP bipolar transistors 21, 22 forming a current mirror 20 that uses a collector current of the NPN bipolar transistor 12 as a reference current, and determines a collector current of an NPN bipolar transistor 11. This makes possible to design a size ratio A of the PNP bipolar transistors 21, 22 so as to approximate a voltage drop &Dgr;Vb to a value close to zero, and to suppress the voltage drop &Dgr;Vb of the base voltage Vb accordingly to achieve a high power output and high efficiency when a high frequency input signal Pin increases and generates a base rectified current.
摘要翻译: 在电阻器13,14和NPN双极晶体管12之间插入形成使用NPN双极晶体管12的集电极电流作为参考电流的电流镜20的PNP双极晶体管21,22,并且确定NPN双极晶体管的集电极电流 这使得可以设计PNP双极晶体管21,22的尺寸比A,以将电压降ΔVV近似为接近于零的值,并且相应地抑制基极电压Vb的电压降DeltaVb以实现 当高频输入信号Pin增加并产生基极整流电流时,高功率输出和高效率。
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