Views: 3 Author: Site Editor Publish Time: 2024-04-03 Origin: Site
A: What impact does the starting capacitor have on the crystal oscillator output frequency?
Q: Mainly frequency correction.
Explanations:
1. The larger the starting capacitance, the more negative the frequency of the crystal oscillator is; conversely, the smaller the starting capacitance is, the more positive the output frequency of the crystal oscillator is.
2. If the starting capacitor is too large, it will easily cause difficulty in starting the crystal oscillator (prolonged start-up time) or stop the oscillation.
3. In order to increase the stability of the crystal oscillator output frequency, it is recommended to start the capacitor C1=C2.
