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Exam (elaborations)

ATT Week 5 Exam| Questions and Answers

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ATT Week 5 Exam| Questions and Answers

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  • October 27, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ATT
  • ATT
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Nursephil2023
ATT Week 5 Exam| Questions and
Answers
Limiting action happens in series when a diode is________ and in parallel
when a diode is________. - -Reverse biased, forward biased.

- What is the purpose of a diode limiting circuit? - -To limit amplitude of the
input.

- What do clampers do? - -Add DC to AC signal.

- A transistor in a Common Emitter transfers an internal resistance from a
low resistance in emitter base to? - -High resistance in collector base.

- Ie (Emitter current) = ? - -Ib (base current) + Ic (collector current)

- When does cutoff occur in a Common Emitter? - -When Emitter PN junction
is reversed.

- A Common Emitter has a gain of how much? - -10

- How does a Common Emitter affect the phase of an input signal? - -It
inverts the input 180° (flip)

- A Common Collector has a gain of how much? - -1 (no phase inversion)

- A Common Base has a gain of how much? - -10 (no phase inversion)

- How do transistor amplifiers operate? - -By an AC input signal changing
base bias.

- The component that develops bias for a transistor part is directly
connected to the_________. - -Corresponding transistor part.

- In a Common Emitter, if base voltage (base bias) increases, emitter current
does what? - -Increases.

- A small input controls a__________. - -Large output

- What is the most common type of Multi-stage Amplifier? - -RC (Resistive-
capacitive)

- What is the purpose of Cascade amplifiers? - -To increase Av (Voltage
Gain)

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