ATT Week 5 Exam Questions with Correct Answers
100% Verified
Limiting action happens in series when a diode is________ and in parallel when a diode
is________. - CORRECT ANSWER -Reverse biased, forward biased.
What is the purpose of a diode limiting circuit? - CORRECT ANSWER -To limit amplitude of the
input.
What do clampers do? - CORRECT ANSWER -Add DC to AC signal.
A transistor in a Common Emitter transfers an internal resistance from a low resistance in
emitter base to? - CORRECT ANSWER -High resistance in collector base.
Ie (Emitter current) = ? - CORRECT ANSWER -Ib (base current) + Ic (collector current)
When does cutoff occur in a Common Emitter? - CORRECT ANSWER -When Emitter PN junction
is reversed.
A Common Emitter has a gain of how much? - CORRECT ANSWER -10
How does a Common Emitter affect the phase of an input signal? - CORRECT ANSWER -It inverts
the input 180° (flip)
A Common Collector has a gain of how much? - CORRECT ANSWER -1 (no phase inversion)
A Common Base has a gain of how much? - CORRECT ANSWER -10 (no phase inversion)
, How do transistor amplifiers operate? - CORRECT ANSWER -By an AC input signal changing base
bias.
The component that develops bias for a transistor part is directly connected to the_________. -
CORRECT ANSWER -Corresponding transistor part.
In a Common Emitter, if base voltage (base bias) increases, emitter current does what? -
CORRECT ANSWER -Increases.
A small input controls a__________. - CORRECT ANSWER -Large output
What is the most common type of Multi-stage Amplifier? - CORRECT ANSWER -RC (Resistive-
capacitive)
What is the purpose of Cascade amplifiers? - CORRECT ANSWER -To increase Av (Voltage Gain)
How is AvT (Total voltage gain) calculated in a Cascade Amplifier? - CORRECT ANSWER -The
product of individual stage gains (Q1xQ2xQ3x...=AvT)
What is the typical gain for a three stage cascade amplifier (assumed value)? - CORRECT
ANSWER -1,000
What is Cascading? - CORRECT ANSWER -The connecting of multiple amplifiers in series.
What is step 1 of the Multi-Stage Amplifier Troubleshooting process? - CORRECT ANSWER -
Check output, compare measured Av to Calculated Av.
100% Verified
Limiting action happens in series when a diode is________ and in parallel when a diode
is________. - CORRECT ANSWER -Reverse biased, forward biased.
What is the purpose of a diode limiting circuit? - CORRECT ANSWER -To limit amplitude of the
input.
What do clampers do? - CORRECT ANSWER -Add DC to AC signal.
A transistor in a Common Emitter transfers an internal resistance from a low resistance in
emitter base to? - CORRECT ANSWER -High resistance in collector base.
Ie (Emitter current) = ? - CORRECT ANSWER -Ib (base current) + Ic (collector current)
When does cutoff occur in a Common Emitter? - CORRECT ANSWER -When Emitter PN junction
is reversed.
A Common Emitter has a gain of how much? - CORRECT ANSWER -10
How does a Common Emitter affect the phase of an input signal? - CORRECT ANSWER -It inverts
the input 180° (flip)
A Common Collector has a gain of how much? - CORRECT ANSWER -1 (no phase inversion)
A Common Base has a gain of how much? - CORRECT ANSWER -10 (no phase inversion)
, How do transistor amplifiers operate? - CORRECT ANSWER -By an AC input signal changing base
bias.
The component that develops bias for a transistor part is directly connected to the_________. -
CORRECT ANSWER -Corresponding transistor part.
In a Common Emitter, if base voltage (base bias) increases, emitter current does what? -
CORRECT ANSWER -Increases.
A small input controls a__________. - CORRECT ANSWER -Large output
What is the most common type of Multi-stage Amplifier? - CORRECT ANSWER -RC (Resistive-
capacitive)
What is the purpose of Cascade amplifiers? - CORRECT ANSWER -To increase Av (Voltage Gain)
How is AvT (Total voltage gain) calculated in a Cascade Amplifier? - CORRECT ANSWER -The
product of individual stage gains (Q1xQ2xQ3x...=AvT)
What is the typical gain for a three stage cascade amplifier (assumed value)? - CORRECT
ANSWER -1,000
What is Cascading? - CORRECT ANSWER -The connecting of multiple amplifiers in series.
What is step 1 of the Multi-Stage Amplifier Troubleshooting process? - CORRECT ANSWER -
Check output, compare measured Av to Calculated Av.
