【简答题】电路如图所示,已知 Rf = 10kΩ, R1 = R2 = 1kΩ,R = 2kΩ;信号源内阻Ra = 1.1kΩ,Rb = 0.9kΩ。 这个电路对于信号源的差模电压放大倍数是( )。 (提示:在视频中讲过相关的公式。)
【单选题】患儿,女,3岁,麻疹恢复期,体温突然再次升高,伴嗜睡、惊厥等症状,护士应考虑该患儿可能并发了
【简答题】信息匹配A. Happiness lies in persistent pursuit. B. Happiness is in your own hand. C. Self-knowledge is positively related to happiness. D. Happiness is based on comparison. E. There does not exist a guid...
【简答题】电路如图所示,图中R=R F =10kΩ,当电压增益A=u o /(u 2 -u 1 )的值在1~10范围内变化时,试求电阻R W 的对应变化范围。
【单选题】在如图所示电路中,电阻R1 =10KΩ,RF =20KΩ,集成运放的最大输出电压为±12V,ui =0.3V,则输出电压uo的大小为( )。【图片】