第七章 FET Biasing：介绍FET晶体管的偏置电路，固定式偏置电路，分压式偏置电路，自举电路的分析。7.1FET的固定偏置电路和自举偏压电路:由场效应管作为核心放大器件构成的放大电路叫做场效应管放大电路，场效应管和半导体三极管一样能实现对信号的控制作用，不同的是，半导体三极管是通过基极电流来控制集电极电流，而场效应管则是通过栅源电压来控制漏极电流。[单选题]Which of the following biasing circuits can be used with E-MOSFETs? （ ）选项:[self bias, current-source bias, zero bias, drain-feedback bias]
7.2JFET分压式偏压电路及MOSFET偏置电路:场效应管的直流偏置电路，要根据具体的器件进行设置，器件不同，它的偏置电路也不同，对JFET，有固定偏置电路，自偏置电路，分压式偏置电路，对于耗尽型的MOS管，有自偏置电路，分压式偏置电路，对于增强型的MOS管，有反馈型偏置电路和分压式偏置电路。
[多选题]A JFET can be biased in several different ways. The common method(s) of biasing an n-channel JFET is(are) （ ）.选项:[fixed-bias configuration, self-bias configuration, voltage-divider bias configuration]
[单选题]Generally, it is good design practice for linear amplifiers to have operating points that close to （ ）. 选项:[are close to saturation level, the cut-off region, the midpoint of the load line]
[单选题]The primary difference between JFETs and depletion-type MOSFETs is （ ）. 选项:[JFETs can have only positive values of
, depletion-type MOSFETs can have positive values of 
and levels of 
that exceed 
, depletion-type MOSFETs can have only positive of , JFETs can have positive values of and levels of drain current that exceed 
][单选题]This graphical solution represents （ ）.
选项:[fixed bias for an n-channel JFET, voltage-divider bias for an n-channel JFET, self bias for an n-channel JFET]
温馨提示支付 ￥1.00 元后可查看付费内容,请先翻页预览!
