In the 18th century, British clockmaker John Harrison proposed the concept of using high-precision timekeeping clocks to maintain time synchronization, opening the door to people's exploration of time synchronization technology. With the development of the times, high-precision time synchronization technology has been increasingly applied in important fields such as wireless communication, navigation and control, industrial control, autonomous driving, rail transit, and power systems, becoming a strong guarantee for the digital development of various industries.
 

Far East Communication's independently developed full-series miniaturized clock keeping modules support high-precision pulse timing (1PPS) function, applicable to various time synchronization devices, providing nanosecond-level time synchronization signals and high-precision clock keeping signals.

This series of modules incorporates Far East Communication's self-developed locked low-jitter output function and self-learning high-retention algorithm during the locking period. When the Global Navigation Satellite System (GNSS) signal is effective, the module can quickly achieve frequency calibration and time synchronization of the local clock, outputting high-precision 1PPS pulse signals, high-accuracy 10MHz frequency signals, and ToD time messages; when the GNSS signal is lost, the module can use the self-learning high-retention algorithm during the locking period to continue outputting high-precision local clock signals, with an error accuracy of up to 1.5μs/24h.

Currently, this series of modules has achieved standardized mass production and can be delivered quickly. They have been applied in multiple fields such as wireless communication and navigation and control, providing users with precise time synchronization services.

Diligent cultivation, specializing in depth. As a leading time-frequency device supplier in the industry, Far East Communication will continue to explore industry needs, continuously strengthen core technology research and development, provide users with more high-quality and efficient products and services, and help users achieve digital transformation and high-quality development!
 

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Pulse timing refers to the synchronous clock outputting a precise synchronization pulse with a certain pulse width at a certain time interval. After receiving the synchronization pulse, the time-keeping device performs time synchronization to eliminate the timekeeping error of the internal clock of the device. According to the timing cycle, pulse timing is divided into three types: second pulse signal (1PPS), minute pulse signal (1PPM), and hour pulse signal (1PPH). At the end of each second, minute, and hour, the pulse edge acts on the clock zero line of the automatic device to achieve clock synchronization. Pulse timing has the characteristics of high synchronization accuracy, simple application, and strong anti-interference ability, making it a commonly used time synchronization method.