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