Modeling of Quartz CrystalGENERAL ENGINEERING TOPICS HIGH-SPEED INTERCONNECT OSCILLATORS/DELAY LINES/TIMERS/COUNTERSJun 16, 2003Modeling of Quartz CrystalThis application note, describes a method for modeling a crystal, with loading capacitance. Clock generator (CLK gen) designers can use a crystal model to easily determine the loading capacitance for a required frequency. Circuit and system designer can use the model to simulate the behavior of crystal oscillators. To model a crystal, we use a simple circuit to measure the oscillation frequencies under different loading capacitance. Then, we employ the crystal circuit model to interpolate the measured data to determine the parameters in the circuit model.Introduction Quartz crystals have been widely used in clock generators and synthesizers to generate accu……
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