1. Quartz crystals used in oscillators show a 2. Crystals are more stable than L

Question

1. Quartz crystals used in oscillators show a 2. Crystals are more stable than LC tanks due to their very high 3. Higher multiples of a crystal's resonant frequency are called 4. Oscillators can be effect. controlled by using phase-shifts. 5. Oscillators can becontrolled by using resonance. 6. Oscillators can be 7. An oscillator that uses crystal control should be (frequency-stable or time-constant?). 8. A series mode crystal is marked 10.000 MHz. It is used in a circuit that operates the crystal in its parallel mode. The circuit can be expected to run controlled by using resonance or overtones. (below or above?) 10 MHz. 9. Refer to Fig 11.19. The phase relationship of the signal at the collector of Q1 compared with the base signal is 10. Refer to Fig 11.19. The required phase shift is produced by (a) RL, (b) C1 and C2, (c) RB, (d) C3) (0°, 90°, 180, or 360°)

Explanation / Answer

1. Piezo-electric

2. Q- Value

3. harmonic frequency

4. crystal

5. crystal

6. crystal

7. frequency stable

8. below

9. 180

10. 180

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