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WorksheetsBipolar Junction Transistor (BJT)
Total questions: 15
Worksheet time: 15mins
DC bias establishes the dc operating point for an amplifier.
True
False
The dc load line intersects the horizontal axis of a transistor characteristic curve at VCE = VCC.
False
True
Voltage-divider bias is rarely used.
True
False
A pnp transistor requires bias voltage polarities opposite to an npn transistor.
True
False
A pnp transistor requires bias voltage polarities opposite to an npn transistor.
Fixed bias
Voltage-divider bias
Self bias
Common-Base bias
A small-signal amplifier_____________
always has an output signal in the mV range
goes into saturation once on each input cycle
uses only a small portion of its load line
is always a common-emitter amplifier
The disadvantage of base bias is that _________
it is very complex
it is too beta dependent
it produces low gain
it produces high leakage current
A bipolar junction transistor has three terminals.
False
True
These are the three regions of a BJT except ________
base
emitter
collector
gate
For operation in the linear or active region, the base-emitter junction of a transistor is forward biased.
False
True
These are the two types of BJT except __________
pn junction
npn type
pnp type
There are two types of analyses of amplifier, except ___________
dc analysis
time-varying
ac analysis
linear amplifier
A linear amplifier means ______________.
the superposition principle applies
dc analysis and ac analysis of the circuits can be performed separately
the superposition principle does not applies
dc analysis and ac analysis of the circuits cannot be performed separately
To create a linear amplifier, the transistor must keep to be operated in ____________.
saturation mode
forward-active mode
cut-off mode
all the answers
In voltage divider biasing configuration, an emitter resistor (RE) has tended to __________ the Q-point.
improve
stabilize
reduce
maximum
