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High power FET switch

机译:大功率场效应管开关

摘要

Described are embodiments of stacked field effect transistor (FET) switch having a plurality of FET devices coupled in series to form an FET device stack. To prevent the FET device stack from being turned on during large signal conditions, one or more decoupling paths are provided and are configured to pass the time-variant input signal during the open state of the FET device stack. The first decoupling path may include a capacitor, a transistor, or the like, that passes the time-variant input signal by, for example, presenting a low impedance to the time-variant input signal during the open state. The decoupling paths may be connected so that the time-variant input signal bypasses a portion of the FET device stack during the open state.
机译:所描述的是具有多个串联耦合以形成FET器件堆叠的FET器件的堆叠场效应晶体管(FET)开关的实施例。为了防止FET器件堆栈在大信号情况下导通,提供了一个或多个去耦路径,这些路径被配置为在FET器件堆栈的打开状态期间传递时变输入信号。第一去耦路径可以包括电容器,晶体管等,其通过例如在断开状态期间对时变输入信号呈现低阻抗来传递时变输入信号。可以连接去耦路径,以使时变输入信号在断开状态期间绕过FET器件堆栈的一部分。

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