发明名称 FET bidirectional switching arrangements and methods for preventing pn junctions of FETs from being forward-biased
摘要 A FET bidirectional switching arrangement comprises first and second FETs, and a limiting arrangement connected to the FETs. The FETs are operable in response to a first bias condition to pass current in series through the FETs in either of two opposite directions, and operable in response to a second bias condtion to block current through the FETs in both of the two opposite directions. The limiting arrangement senses the direction of current flowing through the FETs and limits a forward bias on a first pn junction of the first FET when the current flows in a first direction of the two opposite directions to limit undesired current flow through the first pn junction of the first FET. When the current flows in a second direction of the two opposite directions, the limiting arrangement limits a forward bias on a first pn junction of the second FET to limit undesired current flow through the first pn junction of the second FET.
申请公布号 US5287024(A) 申请公布日期 1994.02.15
申请号 US19930006407 申请日期 1993.01.21
申请人 NORTHERN TELECOM LIMITED 发明人 WADSWORTH, DOUGLAS C.
分类号 H03K17/081;H03K17/687;(IPC1-7):H03K17/687 主分类号 H03K17/081
代理机构 代理人
主权项
地址