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    • 5. 发明授权
    • Input circuit for an output stage
    • 输出级的输入电路
    • US06456108B1
    • 2002-09-24
    • US09787796
    • 2001-05-23
    • Helmut SchmiedBernd BireckovenHans BerkemerHartmut Michel
    • Helmut SchmiedBernd BireckovenHans BerkemerHartmut Michel
    • H03K19003
    • H03K17/22H03K17/16
    • Described is a control circuit for an output stage for suppressing electrical and electromagnetic interference having a signal input (I), a signal output (O), and a ground terminal, two switch stages (1; 2) which are connected to the signal input (I) and the ground and which have one control terminal and one output terminal each, each switch stage (1; 2) switching over from a first state in which the potential at the output terminal follows the potential at the signal input (I) to a second state in which the potential at the output terminal is drawn to ground when a first or second threshold value (Uin1, Uin2) is exceeded at its control terminal, the control terminal (4) of the first switch stage (1) being connected to an intermediary potential, which is between the potential at the signal input (I) and ground, the output terminal (5) of the first switch stage (1) forming the control terminal of the second switch stage (2), the output terminal of the second switch stage forming the signal output (O) of the control circuit, and the threshold value (Uin1) of the first switch stage being higher than the threshold value (Uin2) of the second switch stage.
    • 描述了用于抑制具有信号输入(I),信号输出(O)和接地端子的电和电磁干扰的输出级的控制电路,两个开关级(1; 2)连接到信号输入端 (I)和地,并且具有一个控制端子和一个输出端子,每个开关级(1; 2)从输出端子上的电位跟随信号输入端(I)的电位的第一状态切换, 到第二状态,其中当在其控制端子超过第一或第二阈值(Uin1,Uin2)时,输出端子处的电位被拉到地,第一开关级(1)的控制端(4)为 连接到位于信号输入端(I)和地之间的电位之间的中间电位,形成第二开关级(2)的控制端的第一开关级(1)的输出端(5),输出端 端子形成第二开关台 N输出(O),第一开关级的阈值(Uin1)高于第二开关级的阈值(Uin2)。
    • 7. 发明授权
    • Break-over photodiode
    • 断路光电二极管
    • US5780877A
    • 1998-07-14
    • US795624
    • 1997-02-06
    • Bernd BireckovenDirk HoheiselNing Qu
    • Bernd BireckovenDirk HoheiselNing Qu
    • H01L29/74F02P7/03H01L31/111
    • F02P7/035H01L31/1113
    • A break-over photodiode, designed as a light-sensitive thyristor, can be stacked using a series connection with a plurality of break-over photodiodes, such stacking representing a high-voltage break-over diode. The break-over photodiode can be triggered by lateral illumination in an edge zone, and includes a gate-layer resistivity under the emitter which is greater in an edge zone of the break-over photodiode than in the central zone of the break-over photodiode. The light sensitivity of the laterally illuminatable break-over photodiode is increased by a greater gate-layer resistivity in the edge zone as compared to the central zone.
    • 设计为感光晶闸管的断路光电二极管可以使用与多个断开光电二极管的串联连接堆叠,这样堆叠代表高压断路二极管。 断路光电二极管可以通过边缘区域中的横向照明来触发,并且在发射极之下包括栅极层电阻率,其在断开光电二极管的边缘区域比在断开光电二极管的中心区域更大 。 与中心区域相比,侧向可照明的断开光电二极管的光敏度在边缘区域中增加了更大的栅极层电阻率。