Pierce oscillator simulation on LTSpice

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dali7384

Joined Mar 2, 2020
2
Hello, I am trying to simulate a 32.768 kHz Pierce oscillator.
I am referencing this particular crystal https://support.epson.biz/td/api/doc_check.php?dl=brief_FC-255&lang=en
I believe my values are correct, however, the peak frequency of the FFT is almost only depended on the td value of the inverter. (have to set td)

Any idea to add noise(or do I even need it)? Or any suggestions on how to do it?
 

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