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The Bluetooth module is a PCBA board with integrated Bluetooth function. It is used for short-distance wireless communication. It is divided into Bluetooth data module and Bluetooth voice module according to its function. Bluetooth module refers to a collection of basic circuits of chips that integrate Bluetooth functions and is used for wireless network communications. It can be roughly divided into three major types: data transmission module, Bluetooth audio module, Bluetooth audio + data two-in-one module, etc. Generally, modules have the properties of semi-finished products and are processed on the basis of chips to make subsequent applications simpler.
Bluetooth modules are divided into data Bluetooth modules, serial Bluetooth modules, voice Bluetooth modules, and car Bluetooth modules according to their uses. 3225 passive crystal oscillator is widely used in many Bluetooth devices. It provides a stable and accurate frequency signal. This 3225 package It is a small and common package type.
The crystal oscillator in the car Bluetooth module is a device used to wirelessly transmit audio, calls and data inside the vehicle. It can provide an accurate and stable clock signal to ensure the time synchronization of data transmission and communication processes, as well as the accuracy and consistency of audio playback, maintain a stable Bluetooth connection in different environments and conditions, and avoid communication interruption or instability without power. The crystal oscillator can resist the impact of external electromagnetic interference on the vehicle Bluetooth module, provide clear and stable audio and data transmission, save energy and extend battery life.
The XC2OO-114-8M in the YSX321SC series of passive automotive-grade resonators launched by YXC has the following characteristics when used in automotive Bluetooth modules:
1. The frequency point is 8MHz automotive grade passive crystal oscillator, frequency stability is ±80PPM (-40~125℃) in the full temperature range, high reliability, high quality, and complies with AEC-Q200;
2. Yangxing automotive crystal oscillators are widely used in Bluetooth modules, high-precision positioning modules, GPS modules, vehicle keys and other fields.
3. AEC-Q200 industry testing of independent automotive grade passive components, applied to production line quality control
