SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
AI Marketing
The core requirements of Edge AI are real-time data processing, low-latency decision-making, and offline operation capability. Crystal oscillators, as the "reference clock," directly determine the computational accuracy and communication stability of the device.
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Edge Computing Gateway (localized data processing, small servers, data fusion platforms)
Used with FPGA, TPU, and optical module DSP. Products used: Differential oscillators 100MHz, 125MHz, 156.25MHz, 200MHz. Passive crystals 25MHz, 24MHz. Real-time clock crystals: 32.768KHz
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Wireless Sensor Nodes (real-time environmental data collection and AI analysis, e.g., smart agriculture, forest fire prevention)
Used with sensors and RF transceiver functions. Products used: Passive crystals: 25MHz, 27.12MHz, 26MHz, etc.
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Terminal Devices, Intelligent Surveillance Cameras (AI image recognition, e.g., face detection, abnormal behavior analysis)
Used with terminal intelligent visual processors, video transmission, etc. Products used: Passive/active crystals: 27MHz, 25MHz, 24MHz, 32MHz, etc.
Role of Crystal Oscillators
Common Crystal Oscillator Types and Features
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Model Reference | Core Features | Application Requirements |
| SMD Crystal (XTAL) | 7U, 7E, 7F, 7Y 7K, 7R, 7L, etc. |
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Sensor nodes, portable terminal devices |
| HCMOS Clock Oscillator (XO) | 3N, 2N, 1N, 0N MEMS | Wide output frequency range (1MHz~200MHz), strong voltage compatibility (1.8V~3.3V), low EMI, low jitter, high temperature stability (±25ppm @-40~85℃) | Edge gateways, medium-low load AI computing |
| Differential Oscillator | 3J/3D/3H 2J/2D/2H | Excellent high-frequency stability (±25ppm @ -40~85℃), ultra-low jitter <100fs, small package (minimum 2520 size) | Edge gateways, high-load AI inference devices, data fusion platforms, etc. |
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Autonomous Driving Systems (L2-L4 levels)
LiDAR, radar, camera multi-sensor fusion AI decision-making
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Intelligent Cockpit
AI voice interaction, gesture control, personalized scene recommendations.
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V2X (Vehicle-to-Everything)
AI communication decisions between vehicles and roadside devices (e.g., collision warning)
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Child Presence Detection (CPD)
AI infrared/ultrasonic detection to prevent children from being left in the vehicle
Common Crystal Oscillator Types and Features
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Model Reference | Core Features | Application Requirements |
| SMD Crystal (XTAL) | 7U, 7E, 7F, 7Y 7K, 7R, 7L, etc |
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Vehicle sensor nodes, body AI control units |
| GLASS Sealed Crystal | 7Z, 7V, 6I, etc. | Poor thermal conductivity, hard top cover that does not deform, good high-temperature resistance, supports PCB potting process | One-key ignition switch, central control panel, motor control board |
| HCMOS Clock Oscillator (XO) | 3N, 2N, 1N, 0N | Wide output frequency range (1MHz~200MHz), strong voltage compatibility (1.8V~3.3V), low EMI, low jitter, high temperature stability (±25ppm -40~85℃) | Vehicle sensor nodes, body AI control units, AI processors, etc. |
| Temperature Compensated Crystal Oscillator (TCXO) | 7X, 7Q, 8W, 5T, etc. | Extremely high wide-temperature stability (±0.5ppm@-40℃~85℃), low voltage (1.8V), clipped sine wave and CMOS output optional | Positioning modules, V2X modules |
| MEMS Oscillator | Programmable MEMS Oscillator | High stability (total frequency deviation ±25ppm@-40℃~85℃), low jitter (within 1ps), extremely strong shock resistance (60000G impact) | System main control board |
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Predictive Maintenance of Industrial Equipment
AI vibration analysis (e.g., motor fault detection), temperature anomaly warning
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Intelligent Assembly Line
AI visual quality inspection (e.g., product defect identification), robot collaborative operations
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Energy AI Monitoring
Grid load AI prediction, photovoltaic panel efficiency intelligent optimization
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High-Voltage Power Detection
Detecting waveform distortion, voltage fluctuations, and three-phase imbalance in the power grid, etc., power quality issues
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Robots
Embodied robots, precise motor control for robotic arms.
Common Crystal Oscillator Types and Features
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Model Reference | Core Features | Application Requirements |
| Low EMI Oscillator (Spread Spectrum Crystal Oscillator) | Custom |
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Industrial AI quality inspection equipment, motor monitoring nodes |
| MD Crystal (XTAL) | 7U, 7E, 7F, 7Y 7K, 7R, 7L, etc. | High temperature resistance (125℃), moisture resistance, low cost | Energy monitoring sensors, low-end AI detection equipment |
| Oven-Controlled Crystal Oscillator (OCXO) | 1X, 9X, 2X, etc. | Extremely high stability (supports ppb-level frequency stability), strong anti-interference, minimal temperature influence | High-voltage power detection |
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Wearable Devices
AI health monitoring (e.g., smart watches, AI glasses, smart rings, smart mattresses, sleep quality AI assessment)
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Smart Home Devices
AI voice assistants (e.g., smart speakers), AI scene linkage (e.g., intelligent lighting automatic adjustment)
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AR/VR Devices
AI spatial positioning, gesture recognition, real-time rendering optimization
Common Crystal Oscillator Types and Features
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Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.
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Tel: +86 755 8835 2869
Email: sjk@q-crystal.com
Add: 12/F, Building 3C, TianAn Cloud Park Phase 1, Bantian, Longgang District, Shenzhen, 518129, China