Embracing the New Era, Achieving AIoT

Special Requirements and Challenges Faced by Crystal Oscillators

With the rapid development of artificial intelligence and the Internet of Things (IoT), AIoT (Artificial Intelligence of Things) has emerged as a new trend in the digital age. The implementation of AIoT not only demonstrates tremendous potential in areas such as smart homes and smart cities but also brings new possibilities for industrial automation, healthcare monitoring, and more. Within AIoT, crystal oscillators, as essential hardware components, face a series of special requirements and challenges.

Frequency Stability

In industrial IoT applications, intelligent sensor nodes require real-time and accurate collection of environmental data, which is then transmitted to the cloud for analysis and processing. The high-frequency stability of crystal oscillators is crucial for ensuring that sensor nodes can accurately collect data and achieve data transmission. However, factors such as temperature fluctuations and voltage variations in different environmental conditions can affect the frequency stability of crystal oscillators, requiring them to have good anti-interference capabilities.

Our High Precision OSC FCO-HP Series offers +/-10ppm stability over -40~85℃ & +/-15ppm stability over -40~95℃, package available in 2.5*2.0, 3.2*2.5.In response to this requirement, we also launched high-precision VCTCXO, the FVT-HP series. It offers +/-0.05ppm stability over -10~70℃ & +/-0.28ppm stability over -40~85℃, package available in 5.0*3.2, 7.0*5.0.

Low Power Design

In smart homes and wearable devices, which often rely on battery power, low power design is a significant challenge for crystal oscillators. Crystal oscillators need to minimize power consumption while ensuring stable frequency, thus extending the device's battery life and improving user experience. Against this backdrop, higher demands are placed on the design, optimization, and energy management of crystal oscillators.

Our Ultra-Low Current OSC FCO-UC series is designed exactly for this requirement. Current Consumption of FCO-UC is only 1.4uA typical, package available in 2.0*1.6, 32.768kHz.

Except for Ultra-Low Current consumption, we do designed an Ultra-low Power OSC to reduce power consumption, the FCO-UP series. Supply voltage of FCO-UP are as low as 0.9V with the feature of Low Noise, 0.3ps at 12kHz~20MHz offsets. Packages available in 2.5*2.0, 3.2*2.5.

Anti-Interference Capability

In industrial control systems and military security fields, crystal oscillators need to have excellent anti-interference capabilities to ensure the stability and reliability of clock signals. External interferences such as electromagnetic interference and radio frequency interference may affect the operation of crystal oscillators. Therefore, effective measures need to be taken to enhance the anti-interference capabilities of crystal oscillators and ensure the stable operation of devices in harsh environments.

In terms of anti-interference capabilities, we provide Low Noise or Low Phase Jitter products to choose from. Our Low Noise OSC FCO-LN series offer 0.8ps at 12kHz~20MHz offsets and our Low Phase Jitter OSC FCO-LJ series offer very low phase jitter: <1 pS(0.6 pS, typ.) RMS. Package available as small as 2.0*1.6 for FCO-LN series while FCO-LJ are available in 3.2*2.5, 5.0*3.2, 7.0*5.0.

Miniaturization and Integration

With the proliferation of IoT devices and the expansion of application scenarios, higher requirements are placed on the miniaturization and integration of crystal oscillators. Crystal oscillators need to be designed in smaller sizes and lighter weights, or integrated with oscillator functions at the chip level, to meet the demand for device miniaturization and integration, thus enhancing device integration and performance density.

In terms of miniaturization solutions, our OSC FCO-1C Series is able to reach as small as 1.6*1.2 while our crystal FCX-1S is available in 1.2*1.0 package. Our next-generation of small-size crystal in package 1.0*0.8 is also on the way to mass production.

In embracing the new era and achieving AIoT, the special requirements and challenges faced by crystal oscillators are undeniable. Only through continuous technological innovation and optimization, enhancing the performance and stability of crystal oscillators, can better support the development of AIoT applications, and promote the progress and application of intelligent technology.

As a professional supplier in this field, FCom is always constantly gaining insights into market prospects and market needs, and matching, optimizing, and iterating our products based on the latest applications.

Visit our official page: www.fujicrystal.com for more informations or send us an email to [email protected]