Physics · Oscillators
Consider the following statements regarding an RC phase-shift oscillator using a single-stage common-emitter transistor amplifier: I. The amplifier gain is positive (no phase inversion) II. The amplifier gain is negative (introduces 180° phase shift) III. The phase shift introduced by the feedback network is 180° IV. The phase shift introduced by the feedback network is 360° Which of the statements are correct?
- 1II and III✓
- 2I and III
- 3II and IV
- 4I and IV
Correct answer
II and III
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