題組內容

四、如圖的差動放大器電路,電晶體之β = 100,輸出電阻ro →∞。取熱電壓VT =25 mV。求:

⑵整體差動電壓增益(Overall Differential Voltage Gain)  vod/vsig之值。(8 分) Rsig/2 = 3 kΩ B1 B2