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    • 6. 发明授权
    • Optical control circuit and a semiconductor device for realizing same
    • 光控电路及实现其的半导体器件
    • US4916323A
    • 1990-04-10
    • US247081
    • 1988-09-21
    • Yutaka HayashiShigeaki TomonariKeizi KakiteJun Sakai
    • Yutaka HayashiShigeaki TomonariKeizi KakiteJun Sakai
    • H01L27/15H01L27/14H01L27/142H01L31/02H01L31/042H03K17/78
    • H01L31/02021H01L31/046Y02E10/50Y10S136/293
    • An optical control circuit is formed by a first transistor, a first resistive element connected between control electrode and first output electrode of the first transistor. The first output electrode forms an emitter or source of the transistor, a second resistive element is connected between the control electrode and second output electrode of the first transistor. The second output electrode forms a collector or drain of the transistor and an array of photovoltaic elements is connected in parallel to the second resistive element. A second transistor has a control electrode connected to the second output electrode of the first transistor. High speed operation of the second transistor can be assured, any noise voltage applied to the control electrode of the second transistor can be effectively bypassed, and the first transistor can be simultaneously formed in a substrate of the second transistor to be integralized therewith.
    • 光控制电路由第一晶体管,连接在第一晶体管的控制电极和第一输出电极之间的第一电阻元件形成。 第一输出电极形成晶体管的发射极或源极,第二电阻元件连接在第一晶体管的控制电极和第二输出电极之间。 第二输出电极形成晶体管的集电极或漏极,并且光电元件阵列与第二电阻元件并联连接。 第二晶体管具有连接到第一晶体管的第二输出电极的控制电极。 可以确保第二晶体管的高速操作,可以有效地绕过施加到第二晶体管的控制电极的任何噪声电压,并且可以将第一晶体管同时形成在与其成一体的第二晶体管的基板中。