How to judge whether the crystal vibration?

2024/07/23

1. Oscilloscope detection. Anyone who can use an oscilloscope should know all about it .... I won't go into details. (It was also said before that the oscilloscope test was not true, but the single crystal oscillator test started to vibrate. In this case, the resistance of the crystal oscillator may be relatively large, or the load of the crystal oscillator may not match the capacitance value at both ends.)

2. Multimeter detection. You can use a multimeter to detect whether the voltage across the crystal is half the operating voltage of the chip. If it's one-and-a-half then it's a shock. In addition, the other foot of the crystal oscillator is touched with tweezers, and the obvious change in voltage also indicates that the crystal oscillator is vibrating.

What factors can cause damage to the crystal?

Why do clocks use 32.768K crystals?

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