Operational Amplifier Fundamentals » Exercise – 2
51. The ________ amplifier configuration has the highest input impedance and the lowest output impedance of the three basic op-amp configurations.
(a) non-inverting
(b) inverting
(c) voltage-follower
(d) none of these
52. A(n) ________ amplifier configuration has an input impedance approximately equal to the input resistor Ri and an output impedance approximately equal to the output impedance of the op-amp itself.
(a) non-inverting
(b) inverting
(c) voltage-follower
(d) any of these
53. The input offset voltage drift is a parameter directly related to VOS and ________.
(a) ID
(b) power dissipation
(c) temperature
(d) phase shift
54. The maximum rate of change of the output voltage in response to a step input voltage is the ________ of an op-amp.
(a) time constant
(b) maximum frequency
(c) slew rate
(d) static discharge
55. A practical op-amp has very ________ input impedance, very ________ output impedance, very ________ open-loop voltage gain, and a ________ bandwidth.
(a) high, low, high, wide
(b) high, high, low, narrow
(c) low, high, high, wide
(d) low, low, low, wide
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