A A．稳定放大倍数 B B．克服温漂 C C．提高输入阻抗 D D．扩展频带

A A．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214320_0.png"> B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214320_0_1.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214320_0_2.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214320_0_3.png">

A A．减小RC B B．减小RB C C．减小VCC D D．换用β小的管子

A A．20V B B．15V C C．10V D D．5V

A A．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214323_0.png"> B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214323_0_1.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214323_0_2.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214323_0_3.png">

A A．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214324_0_1.png"> B B．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214324_0_2.png"> C C．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214324_0_3.png"> D D．<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251103/24214324_0_4.png">

A A．裁判功能，且A为主线 B B．三变量表决功能 C C．当A＝1时，B或C为1，输出为1 D D．C为1时，A或B为1，输出为1

A A．JK触发器是在CP脉冲下降沿触发，触发后的触发器状态取决于CP脉冲下降沿前一刻的JK值，服从JK触发器的真值表或特性方程 B B．D触发器是在CP脉冲上升沿触发，触发后的触发器状态取决于CP脉冲上升沿前一刻的D值，服从特性方程Q^n＋1＝D C C．JK触发器和D触发器可以转换为T触发器 D D．T触发器当输入端T＝0时，每来一个CP脉冲触发，触发器的状态就改变一次

A A．同步196进制计数器 B B．同步195进制计数器 C C．同步200进制计数器 D D．同步256进制计数器

A A．20ms B B．2ms C C．4.0ms D D．4ms