Question
Download Solution PDFWhich of the following oscillators is the most stable one?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCrystal Oscillator:
A crystal oscillator is the most stable frequency oscillator.
Advantages:
- The crystal oscillator is possible to obtain a very high precise and stable frequency of oscillators
- It has very-low-frequency drift due to change in temperature and other parameters
- The Q is very high
- It has automatic amplitude control
Disadvantages:
- These are suitable for high-frequency application
- Crystals of low fundamental frequencies are not easily available
- Hartley and Colpitts's oscillators are LC oscillators.
- LC oscillators are unstable oscillators.
- Phase shift oscillator is suitable for oscillations in AF range up to 1 kHz
- Crystals like quartz have high-quality factors, Q (range: 104 - 106). The high-quality factor will result in high-frequency stability.
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