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Application of Crystal Oscillator on ETC

Apr. 09, 2018

Miniaturized crystal oscillator has been used on ETC. ETC is a non-stop electronic toll collection system. ETC special lanes are used for those vehicles equipped with ETC vehicle-mounted devices and are electronically charged. The ETC toll collection system is currently the most advanced toll collection method in the world.

crystal oscillator

At present, the frequency of radio frequency used by the domestic highway toll collection system is high frequency 5.8 GHz, which is a very high frequency. Where does this frequency come from? On the crystal oscillation out of a frequency, and then multiply the frequency of IC. Because the frequency is very high, the frequency that the crystal oscillator needs to come out is very accurate, and very stable. Because it is used in card, it is very small.

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