Site MapHelpFeedbackMixed Quiz
Mixed Quiz
(See related pages)





1The term differential amplifier refers to an amplifier that performs a mathematical operation.
A)True
B)False


2The input circuit used in most op amps is the differential amplifier.
A)True
B)False


3In order to get single-ended input operation using a diff amp, one of the inputs is used and the other input is connected to the power supply.
A)True
B)False


4A diff amp is sometimes called a long-tail pair because the two transistors share a common emitter resistor.
A)True
B)False


5Base resistors can produce input error voltages when the two halves of the diff amp are perfectly symmetrical.
A)True
B)False


6With diff amp configurations, the voltage gain is maximum when a differential output is used.
A)True
B)False


7With diff amp configurations, when a differential output is used, the input may be noninverting or inverting.
A)True
B)False


8The input impedance of a diff amp is twice as high as a single common-emitter amplifier.
A)True
B)False


9The input offset current is defined as the sum of the dc base currents.
A)True
B)False


10If compensation of an op amp becomes necessary, the best approach is to use circuits.


11The same input voltage that is applied to each base of a differential amplifier is called signal.


12Components produced and connected during the manufacturing process on a small piece of semiconductor material are called circuits.


13In the manufacturing process of an IC, the procedure of sealing off the epitaxial layer with silicon dioxide is called .


14The most popular integrated circuits and the ICs manufactured with all components being part of one chip are called .


15In an op amp, the difference of the dc currents is called the input current.


16Data sheets generally specify common-mode rejection ratio in .


17Integrated circuits with fewer than 12 integrated components are referred to as integration.


18The voltage gain of a differential amplifier divided by its common-mode voltage gain is referred to as the
A)input offset voltage
B)common-mode rejection ratio
C)differential output
D)active load ratio


19When two or more monolithic ICs are fabricated in one package, they are referred to as
A)hybrid
B)thoroughbred
C)discrete
D)compensated


20An amplifier that performs a mathematical operation is referred to as
A)a math amp
B)an op amp
C)a calc amp
D)a comp amp


21In order to get single-ended operation when using a diff amp
A)one input is used and the other is grounded
B)one input is connected to the power supply and the other is grounded
C)both inputs are used
D)both inputs are grounded


22The input impedance of a diff amp is
A)half as high as a single common-emitter stage
B)twice as high as a single common-emitter stage
C)the same as a single common-emitter stage
D)four times as high as a single common-emitter stage


23When a differential amplifier is not perfectly symmetrical
A)there will be a small ac output voltage
B)there will be no common-mode amplification
C)there will be no ac output voltage
D)there will be 0 V at the output


24The formula used to convert the CMRR to decibels is
A)10 log CMRR
B)20 log CMRR
C)30 log CMRR
D)40 log CMRR


25Ultra large scale integration refers to placing approximately how many components on a single chip?
A)12 to 100
B)more than 100
C)thousands
D)more than a million





To learn more about the book this website supports, please visit its Information Center.
(c)2007 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Electronic Principles Online Learning Center

Home > Chapter 17 > Mixed Quiz