題組內容

2. 下圖為一串級放大器, iv  與 iv 為差動信號,若所有電晶體皆操作在飽和區,且電晶體之寬長比5f1a40fbd83ec.jpg5f1a411aa7480.jpg 。電晶體之轉導值gm1 = gm2 = gm3 = gm4 = gm7 = gm8 =10 mA/V,gm5 = gm6 = 1 mA/V,輸出阻抗(ro)為10 kΩ,C = 10 pF。試求:
5f1a419271152.jpg

5f1a415e00401.jpg 之低頻增益。(需標註正負號)