复合晶体管，复合晶体管对，电流平方器和CMOS模拟乘法器。
Composite transistor, composite-transistor pair, current squarer, and CMOS analog multiplier.
本文对有源滤波电路作了原理性分析，给出了滤波效果更好的复合晶体管组成的有源滤波电路。
This article has analysed the active filterable electric circuit in principle and shown you another one consisted of compound transistor with better effect of filtration.
本文对有源滤波电路作了原理性分析，给出了滤波效果更好的复合晶体管组成的有源滤波电路。
This article has analysed the active filterable electric circuit in principle and shown you another one consisted of compound transistor with better effect of filtration.
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