The Optimal Timing Signal Source For Navigation and Positioning Boards-XtalTQ's BT0503F Series

With the continuous development of satellite communication technology, crystal oscillator technology is also constantly innovating. High-precision, miniaturized, and highly reliable crystal oscillators have become an important development direction for future satellite communication systems. Crystal oscillators are widely used in various satellite navigation boards, including vehicle navigation, handheld navigation equipment, drone navigation, etc. These devices receive satellite signals and use the stable clock signal provided by the crystal oscillator to perform calculations to achieve high-precision positioning and navigation functions.

XtalTQ Technologies Co.,Ltd hereby launches its BT0503F3I287EN10B product specifically for such applications. In addition to times, common frequency points include: 40MHz, 50MHz, etc. The following are the specific parameters of 10MHz products:

• Size: 5.2*3.4mm

• Waveform: supports Square Wave, Clipped Sinned Wave

• Voltage: 2.5V~3.3V

• Temperature Stability: ±0.28ppm@-40~85℃, wide temperature range can be customized

• Phase noise: -150dBc@1kHz

In the satellite navigation system, XtalTQ Technology's crystal oscillator is used as a frequency source to provide a stable and reliable clock signal for the navigation board. This feature makes XtalTQ’s BT0503F series widely used in satellite navigation boards, mainly reflected in the following aspects:

1. Provide high-precision clock signals

Satellite navigation relies on precise time measurements to determine the distance between a satellite and a receiver to calculate the receiver's position. As a high-precision and stable frequency source, the crystal oscillator can provide a stable clock signal for the satellite navigation board. This signal is critical for accurately measuring the travel time of satellite signals and calculating position. The frequency stability and accuracy of the crystal oscillator directly affects the accuracy of time measurement, thereby affecting the accuracy of positioning.

2. Ensure signal synchronization and capture

In satellite navigation systems, signal synchronization is the key to achieving accurate positioning. Crystal oscillators help synchronize satellite signals with local signals by providing a stable time reference. This enables the satellite navigation board to accurately capture and track satellite signals, ensuring the reliability and stability of the navigation system.

3. Improve system performance and stability

The stability and high accuracy of crystal oscillators help reduce errors in satellite navigation systems and improve the overall performance of the system. In complex electromagnetic environments, crystal oscillators can also provide stable clock signals to ensure that received satellite signals can be accurately analyzed and processed. In addition, the crystal oscillator also has high anti-interference ability and can maintain stable performance in harsh working environments.

4. Support multi-frequency point navigation

Modern satellite navigation systems, such as Beidou and GPS, provide navigation signals at multiple frequencies. The crystal oscillator can support the processing of these multi-frequency signals and improve the accuracy and reliability of navigation services through the combined use of multi-frequency signals. This is of great significance for improving the adaptability and flexibility of satellite navigation systems.

To sum up, our BT0503F series plays a vital role in satellite navigation boards. Its high precision, stability and multi-frequency point support capabilities provide a reliable basic guarantee for the satellite navigation system and ensure the accuracy and stability of the navigation system.