Electronic Devices and Circuit Theory-Oscillator Circuits Questions and Answers
Practice ModeShowing 10 of 40 questions
Q21
The twin-T oscillator produces a ________ response.
Answer: Option D
Q22
What is the typical value of quality factor for crystal oscillators?
Answer: Option A
Q23
Which of the following improvements is (are) a result of the negative feedback in a circuit?
Answer: Option D
Q24
In the Wien bridge oscillator, which of the following is (are) frequency-determining components?
Answer: Option C
Q25
A certain oscillator has a tap on the inductor in the tank circuit. This oscillator is probably
Answer: Option D
Q26
At parallel resonance, the impedance of a crystal is
Answer: Option B
Q27
Calculate the fr of a lead-lag network if R1 = R2 = 6.8 k, and C1 = C2 = 0.05 F.
Answer: Option A
Q28
Which of the following is (are) feedback?
Answer: Option D
Q29
What is the relationship between the series and parallel resonant frequencies of a quartz crystal?
Answer: Option B
Q30
An op-amp integrator has a square-wave input. The output should be
Answer: Option B