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How to Select Bluetooth Quartz Crystal Electronics?

Bluetooth is a kind of radio technology that supports short-range communication. It is generally about 10 meters. The use of Bluetooth series can effectively simplify the communication between mobile communication and terminals, and make the data transmission more convenient. Bluetooth must receive the signal frequency through the quartz crystal electronics.


If the quartz crystal electronics can't work normally, it means that the Bluetooth can't connect normally, and you can't listen to songs or make phone calls. The Bluetooth is useless. Therefore, the selection of Bluetooth quartz crystal electronics is very important.

 

Common Bluetooth quartz crystal electronics parameters:

Package size:

SMD1612SMD2016SMD3225

Standard frequency:

12MHZ、16MHZ、24MHZ、26MHZ、32MHZ、40MHZ

Load capacitance:

7PF、9PF、12PF、20PF

Frequency accuracy:

±10ppm

 

Frequency accuracy is a very important parameter of Bluetooth quartz crystal electronics. At present, there are ± 10ppm, ± 20ppm and ± 30ppm frequency difference in the market, but the Bluetooth solution generally chooses ± 10ppm quartz crystal electronics, because ± 10ppm is more stable and reliable.

 

Some Bluetooth products also use a special quartz crystal electronics for time display. Its frequency is 32.768kHz. The commonly used package is SMD3215, and the precision is ± 20ppm.


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