第十一章测试1. If the input voltage is 0.25 V and the output is -2.5 V, the value of
must be （ ）.
A:40.0 kΩ B:20.0 kΩ C:16.0 kΩ D:5.0 kΩ
答案:B
2.The output voltage, VO, is given by （ ）.
A:
B:
C:
3.A summing integrator is an op-amp integrator that has （ ）.A:multiple feedback capacitors B:multiple input resistors and feedback capacitors C:multiple input resistors 4.A second order low-pass filter has a high-end roll-off of （ ）.
A:40 dB/decade B:20 dB/octave C:60 dB/octave D:6 dB/decade 5.An active filter that provides a constant output for input signals above
is called an ideal （ ）.A:high-pass filter B:low-pass filter C:bandpass filter
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