VCXO (Voltage-Controlled Crystal Oscillators)
SJK Crystal is a professional manufacturer of high-performance VCXO (Voltage-Controlled Crystal Oscillators), providing complete frequency control solutions for high-speed communication, networking, automotive, and industrial applications.
Our VCXO product portfolio supports a wide range of industry-standard output formats, including CMOS, LVPECL, LVDS, and HCSL, delivering excellent signal integrity for today's high-speed digital systems. With an ultra-wide frequency range from 1.25 MHz to 2100 MHz, SJK VCXOs offer outstanding frequency stability, low phase jitter, low power consumption, and superior linear tuning performance.
Available operating voltages include 1.8V, 2.5V, 3.3V, and 5.0V, with industry-standard package options including SMD 3225, SMD 5032, SMD 7050, as well as full-size and half-size DIP oscillators, providing seamless compatibility for both new product development and legacy system upgrades.
Our VCXO crystal oscillators are widely deployed in 5G infrastructure, AI servers, high-speed optical transceivers, automotive electronics, drones (UAVs), Ethernet switches, data communication equipment, industrial automation, and precision timing systems.
Free engineering samples and downloadable PDF datasheets are available to help accelerate your product development.
Comprehensive Output Options
SJK VCXO oscillators support a complete range of output logic standards, including:
CMOS, LVPECL, LVDS, HCSL. These output options ensure excellent compatibility with high-speed processors, FPGAs, ASICs, networking chipsets, and communication ICs, meeting the demanding requirements of modern high-speed digital applications.
Industry-Standard Package Selection
Our VCXO family is available in multiple package sizes to accommodate a wide range of PCB designs: SMD 3225 – Ultra-compact package for space-constrained designs, SMD 5032 – Industry-standard package with excellent cost-performance, SMD 7050 – High-stability package for demanding applications, Half-Size DIP
Full-Size DIP, These standard packages simplify product migration and ensure compatibility with both new designs and legacy systems.
High-Performance Specifications
SJK VCXOs are designed for demanding frequency control applications, featuring:
Frequency Range: 1.25 MHz to 2100 MHz, Wide Pulling Range, Low Phase Jitter, Excellent Frequency Stability, Low Power Consumption, High Linearity
Fast Start-Up Time, Multiple Supply Voltages: 1.8V / 2.5V / 3.3V / 5.0V, Custom frequencies, tuning ranges, output formats, and electrical specifications are available upon request.
Typical Applications
SJK VCXO oscillators are optimized for high-performance timing applications, including: 5G Base Stations and Small Cells, AI Servers and Data Centers, High-Speed Optical Modules, Ethernet Switches and Routers, SONET / SDH / ATM Networks, Optical Transport Networks (OTN), Automotive Electronics and ADAS, UAVs (Drones), Industrial Automation, Precision Test & Measurement Equipment, High-Speed Data Communication Systems, FPGA and ASIC Clock Generation, Custom VCXO Solutions
As a trusted VCXO manufacturer, SJK Crystal provides standard and customized Voltage-Controlled Crystal Oscillators with flexible frequency options, output logic selection, tuning range customization, and package solutions. Backed by advanced manufacturing, stringent quality control, fast sample delivery, and professional engineering support, SJK delivers reliable frequency control solutions for OEM, ODM, and EMS customers worldwide.