131. An ideal op-amp circuit has ________input impedance, ________ output impedance, and ________ voltage gain.
(a) zero, infinite, infinite
(b) infinite, zero, zero
(c) zero, zero, infinite
(d) infinite, zero, infinite
132. A ________ differential amplifier is particularly well suited for battery operation due to its low power consumption.
(a) BiFET
(b) BiMOS
(c) CMOS
(d) BJT
133. Ideally, the value of the CMRR is ________. Practically, the ________ the value of CMRR, the better the circuit operation.
(a) zero, smaller
(b) infinite, larger
(c) zero, larger
(d) infinite, smaller
134. The open-loop voltage gain (Aol) of an op-amp is the
(a) external voltage gain the device is capable of
(b) internal voltage gain the device is capable of
(c) most controlled parameter
(d) same as Acl
135. An ideal operational amplifier has
(a) infinite output impedance
(b) zero input impedance
(c) infinite bandwidth
(d) All of the above
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