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The（）；FET amplifier has low input impedance， high output impedance， and high voltage gain.
The（）；FET amplifier has low input impedance， high output impedance， and high voltage gain.
A.common-gate
B.common-drain
C.common-source
正确答案：common-gate
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The（）；amplifier has high input impedance， low output impedance， and low voltage gain.
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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（）.