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Crystal size change trend and advantages

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Crystal size change trend and advantages

  • Nov 13, 2019

All knows that the 32.768KHz crystal oscillator must be called the crystal in the clock. In recent years, the entire crystal industry has also been changing with the changes in market demand. The most obvious is the change in crystal size. As we can see, the trend of crystal volume changes in recent years.


It can be seen from the figure that the mainstream of the market today is the ultra-small ultra-thin patch crystal. Small patch quartz crystal oscillator with thin surface-mount quartz crystal resonator. It is especially suitable for market areas with miniaturization requirements. The crystal oscillator itself is ultra-small, thin and light, and the crystal has excellent environmental resistance, such as resistance. Thermal and impact resistance, in the field of office automation, home appliance related electrical appliances and short-range wireless communication such as Bluetooth and Wireless LAN, can exert excellent electrical characteristics and meet the reflow temperature curve requirements of lead-free soldering.


General civilian products use ordinary crystal resonators. Because some high-end smart products have stricter requirements on crystal oscillators, oscillators are used. Advantages of the oscillator: Fast start, low voltage operation, low level drive and low current consumption have become a trend, and the supply voltage is typically 3.3V. Many TCXO and VCXO products have current losses of no more than 2 mA. The rapid start-up technology of quartz crystal oscillators has also made breakthroughs.


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