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图5-23(a)所示为某集成运放的内部电路框图，它为无零三极系统，各极点角频率值由相应的R和c决定。已知R 1 =300kΩ，R 2 =30kΩ，R 3 =3kΩ，C 1 =50pF，C 2 =C 3 =5pF，|A v1 |=10，|A v2 |=|A v3 |=10 2 ，若把它接5-23(b)所示的同相放大电路，为保证反馈放大器稳定工作，可采用简单电容补偿，亦可采用如图5-23(c)所示密勒电容补偿。图中g m2 =A v2 /R 2 ，试求两种补偿时所需的电容值。设密勒补偿时ω p1 ≈ω d ，各级的输入和输出电阻对电路影响忽略不计。
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