第九章
Calculate the low frequency break point due to the capacitor 
for this BJT amplifier. （ ）
答案:
If several identical stages of amplifiers, each having the exact same upper and lower cutoff frequencies, are connected in cascade, then the bandwidth of the resulting amplifier will （ ）.A 3-dB drop in β occurs at （ ）.Negative dB values represent （ ）.An amplifier has a midband power gain of 24,500. What is the value of the power gain in dB for the circuit? （ ）
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