Crystal Oscillators: The "Digital Heart" of High-end Equipment — Indispensable in the AI Era

Recently, three major breakthroughs in artificial intelligence — the open-source large language model DeepSeek, the Blackwell GPU architecture, and humanoid robots — have been selected among the World's Top 10 Engineering Achievements. If these innovations are the "brains" of the AI era, crystal oscillators act as the precise "pulse" sustaining the lifeline of such systems. From training trillion-parameter models in data centers to the precise collaboration of industrial robots, Saisi crystal oscillators deliver accurate timing control, powering a steady rhythm for the intelligent world.

1. Crystal Oscillators: The Conductor of the Digital World & Cornerstone for AI System Synchronization

As AI computing power surges, technological complexity grows exponentially. The hundreds of billions of parameters of the DeepSeek large model require tens of thousands of GPU cores for parallel computing; the trillions of transistors in the Blackwell GPU architecture demand nanosecond-level synchronization; and the perception-decision-execution chain of humanoid robots calls for microsecond-level timing consistency. Behind these sophisticated systems, crystal oscillators serve as a seasoned conductor of a symphony orchestra.

Without precise direction, even top-tier performers (CPU/GPU chips) cannot play in harmony. Likewise, lacking the accurate clock signals generated by crystal oscillators, billions of transistors inside electronic devices will fail to coordinate, leading to an immediate system crash.

2. The Lifeline of High-end Equipment: How Crystal Oscillators Underpin AI Evolution

(1) Underlying Communication: Timing Foundation for AI Advancement

Embedded deep in the underlying architecture of AI systems, communication networks are the lifeline enabling efficient operation. They require crystal oscillators to feature outstanding frequency stability, ultra-low phase noise and robust environmental adaptability. In high-speed serial communications such as PCIe, Ethernet and Fibre Channel, data transmission rates have exceeded 10 Gbps with extremely tight timing margins. Phase noise and jitter from crystal oscillators will distort clock signals, trigger bit errors and raise the system bit error rate.

As a domestic leader in the time and frequency industry, Saisi has independently developed a full lineup of domestically produced Oven Controlled Crystal Oscillators (OCXO). These products achieve cutting-edge performance: phase noise ≤ -122 dBc @ 1 Hz and frequency stability better than 1.5E-13 per second, delivering reliable timing support for high-speed data exchange. Meanwhile, our Voltage Controlled Crystal Oscillators (VCXO) reach an ultra-low phase noise of -173 dBc/Hz at 1 MHz frequency offset, with total jitter controlled down to 16 fs within the 12 kHz ~ 20 MHz band. They provide high-purity clock references for high-end applications including 5G-A/6G base stations and optical communication devices.

(2) Timing Imperative Amid Explosive Computing Power

The pursuit of extreme computing power for AI training has pushed chip main frequencies beyond 5 GHz and bus speeds up to 10 GHz. Traditional quartz crystal oscillators produce jitter as high as 100 fs at the 10 GHz band, falling short of the stringent requirements for high frequency and low jitter. Boasting superior jitter performance and programmability, Saisi Differential Oscillators break through technical bottlenecks in high-frequency timing synchronization and flexibly adapt to diverse AI application scenarios. They serve as a reliable timing anchor ensuring stable operation of AI servers amid massive computing workloads.

(3) Timing Link for Multimodal Collaboration

Humanoid robots need to integrate multimodal data including vision, tactile sensing and motion control. Their joint drive, SLAM positioning and path planning all rely on precise clock synchronization. Temperature Compensated Crystal Oscillators (TCXO) offset temperature drift in real time, maintaining an accuracy of ±0.5 ppm across a wide temperature range of -40 °C to 85 °C. They restrict the synchronization error of multiple robot joints within 1 μs, guaranteeing smooth and precise robotic movements. Featuring low power consumption and compact size, and supporting operation from -40 °C to 105 °C, these products are well suited for autonomous driving sensors, industrial IoT terminals and other scenarios.

3. Saisi Crystal Oscillators: A Technical Solution to Break AI Timing Bottlenecks

Against the trend of AI technology evolving toward edge deployment, high performance and low-latency collaboration, Saisi leverages profound technical expertise to build a comprehensive crystal oscillator product portfolio for all scenarios. Our product range covers OCXOs with exceptional frequency stability, TCXOs maintaining high precision over wide temperature ranges, differential oscillators optimized for high-speed transmission, as well as various crystal oscillators and resonators. With a systematic product layout, Saisi fully meets the rigorous timing requirements of diverse applications such as AI servers, optical communications, industrial robots and intelligent driving.