Oscillators – Exercise – 2

96. Since the crystal losses represented by R are small, the equivalent crystal Q (quality factor) is ________.

(a) very low
(b) low
(c) medium
(d) high

Answer
Answer : (d)
Explanation
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97. The parallel-resonant impedance of a crystal oscillator is ________.

(a) very low
(b) low
(c) medium
(d) very high

Answer
Answer : (d)
Explanation
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98. The series-resonant impedance of a crystal oscillator is ________.

(a) very low
(b) low
(c) medium
(d) very high

Answer
Answer : (a)
Explanation
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99. At the series-resonant frequency, the amount of positive feedback is ________.

(a) very large
(b) large
(c) small
(d) very small

Answer
Answer : (a)
Explanation
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100. Typically, a unijunction transistor has a stand-off ratio from ________ to ________.

(a) 0.0, 0.2
(b) 0.2, 0.4
(c) 0.4, 0.6
(d) 0.6, 0.8

Answer
Answer : (c)
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