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ASSIGNMENT 2
Textbook assignment: Chapter 2, Oscillators, pages 2-1 through 2-38.
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2-1. A sinusoidal oscillator can be regarded as
which of the following types of
amplifiers?
1. One that produces a trapezoidal wave
2. One that produces a sine wave
3. One that produces a square wave
4. One that produces a sawtooth wave
2-2. Wave generators are classified according
to the
1. input wave shape
2. output wave shape
3. current in the output
4. voltage in the output
2-3. An IDEAL sinusoidal oscillator would
produce which of the following outputs?
1. A square wave of constant frequency
and amplitude
2. A square wave of varying frequency
and amplitude
3. A sine wave of constant frequency and
amplitude
4. A sine wave of varying frequency and
constant amplitude
2-4. What three circuits are most commonly
used as frequency determining devices?
1. Class C amplifier, class B amplifier,
and class A amplifier
2. Crystal-controlled oscillator, RC
oscillator, and LC oscillator
3. Common-emitter amplifier, common-
base amplifier, and common-collector
amplifier
4. Transformer coupler, RC coupler, and
direct coupler
2-5. Which of the following circuits is NOT a
relaxation oscillator?
1. A multivibrator
2. A sawtooth generator
3. A blocking oscillator
4. A sinusoidal oscillator
2-6. Which of the following definitions
describes the basic oscillator?
1. A nonrotating device producing
alternating current
2. A rotating device producing alternating
current
3. A nonrotating device producing direct
current
4. A rotating device producing direct
current
2-7. Amplitude stability in an oscillator is the
ability to
1. produce an increased amplitude in the
output
2. produce a variable amplitude in the
output
3. maintain a constant frequency in the
output
4. maintain a constant amplitude in the
output
2-8. Frequency stability in an oscillator refer to
its ability to
1. maintain a constant operating
frequency
2. maintain a variable operating
amplitude
3. maintain a constant amplitude
4. vary operating frequency