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- 2012-11-26
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Description: Low frequency, use 24MHz crystal, frequency up to 2MHz. Generate 100us with a time scale T1, T0 for the signal pulse counter. Assuming there is no crystal frequency error, and the stability constant (in fact up to parts per million) the measured signal is periodic square wave (both positive and negative pulse width of not less than 0.5us), the frequency is less than 1MHz, greater than 1Hz. Required measurement time scale 1S, measurement accuracy of 0.1
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