WorksheetsElex002 Quiz 1
Total questions: 20
Worksheet time: 10mins
The biasing of a transistor is purely a _____ operation
AC
DC
AC/DC
Q-point
The purpose of biasing is to establish a ______
amplification
power source
load line
Q-point
If the output signal swings equally above and below the DC bias level of the output, it is called _________
linear operation
Class B amplifier
Class C amplifier
Cass A amplifier
___________refers to the use of signals that take up relatively small percentage of an amplifier’s operational range
small signal
signal processing
large signal
amplifier signal
An electronic circuit having the capability to amplify power, voltage or current
transformer
attenuator
amplifier
transistor
________ is the linking of two circuits or devices. It can be capacitive, inductive, resistive or direct
cascading
transformer
transistor
coupling
A ___________ always produces a phase inversion between the base voltage and
transistor
common-emitter
anplifier
IC
As the sinusoidal collector current increases, the collector voltage __________.
stops
increases
decreases
renains the same
A transistor always produces a ____________ between the base voltage and the collector voltage in the common-emitter configuration
face inversion
direct link
phase inversion
signal conversion
The key to transistor small-signal analysis is the use of the equivalent circuits or __________.
o
source analysis
models
amplifier
attenuator
The ___________of a BJT transistor amplifier is purely resistive in nature
input impedance
output signal
anplifier
output impedance
____________is determined at the output terminals looking back into the system with the applied signal set to zero.
amplification
output impedance
balance umpedance
output impedance
The output impedance of a BJT transistor amplifier is __________ in nature.
resistive
capacitive
inductive
wireless
•One of the most important characteristics of an amplifier is the small-signal AC _______ gain.:
current
power
voltage
weight
For BJT amplifiers, the __________ gain typically ranges from level just less than 1 to a level that may exceed 100
power
voltage
current
bar
in ____________ configuration input impedance is relatively small and the output impedance quite high.
common-emitter
common-collector
common-base
common sense
What is the voltage gain of the given circuit? Beta = 100
5
10
15
20
What is Zin of the given CE amplifier? Beta = 100
470 Ohms
4700 Ohms
47 KOhms
47 Ohms
What is the Zout of the CE amplifier? Beta = 100
470 Ohms
4700 Ohms
47 KOhms
470 KOhms
What is the collector current of the CE amplifier? Beta = 100
1.6 A
2.2 mA
22 mA
1.6 mA
