How to Solve the Problem of Crystal Oscillator Stopping

1. Problem elaboration

Many engineers are encountering problems such as crystal oscillator on the circuit board, vibrating for a while, not vibrating for a while, or working normally after blowing with a hair dryer.

2. Cause of the problem

If this kind of problem is encountered, first of all, it is necessary to check whether the frequency parameters of the crystal oscillator and the resistance of the crystal oscillator are within the required range, if it is within the required range; Secondly, it is necessary to check whether the welding temperature of the crystal oscillator will be high, causing the second damage of the crystal oscillator. Generally, the welding temperature is required to be about 250 degrees or lower, and not more than 300 degrees as high. If these are within the scope of the requirements, it is necessary to consider whether the whole microcontroller circuit problem.

3. Coping strategies

If you encounter such problems, it is easy to detect the parameters of the crystal oscillator and adjust the welding temperature. If the problem of the microcontroller circuit can be solved by the solution provider, then it is necessary to see if the crystal oscillator has air leakage. This problem will also occur in humid weather, so it is recommended to replace the crystal oscillator with better quality.

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Does the power ripple affect the crystal?

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Does the power ripple affect the crystal?