<p>An electric power transforming apparatus comprises a switching circuit including a bipolar transistor for switching a DC power supply input. A SiGe hetero-bipolar transistor is used as the foregoing bipolar transistor. The high-speed switching characteristic of the SiGe hetero-bipolar transistor effectively reduces the loss of the electric power transforming apparatus.</p>
申请公布号
WO2005020331(A1)
申请公布日期
2005.03.03
申请号
WO2004JP12023
申请日期
2004.08.20
申请人
MITSUBISHI HEAVY INDUSTRIES, LTD.;KAWABATA, OSAMU;NAKANO, KOJI;UTSUMI, JUN
