Products
Explore SJK's comprehensive portfolio of quartz crystals, oscillators, and frequency control devices. Engineered for reliability and performance, our components power the technology shaping tomorrow's innovations.
MHz Crystal
The fundamental heartbeat of your circuit. This quartz crystal provides a stable and precise frequency reference for microcontrollers, clocks, and a vast range of electronic devices, ensuring reliable timing at a cost-effective price point.
The fundamental heartbeat of your circuit. This quartz crystal provides a stable and precise frequency reference for microcontrollers, clocks, and a vast range of electronic devices, ensuring reliable timing at a cost-effective price point.
Crystal Oscillator
A complete clock source in a ready-to-use package. Combining a crystal and an oscillation circuit, it offers robust performance and simplifies your design by providing a stable square wave clock signal.
A complete clock source in a ready-to-use package. Combining a crystal and an oscillation circuit, it offers robust performance and simplifies your design by providing a stable square wave clock signal.
VCXO
Delivers precision with the ability to fine-tune. This oscillator allows for small frequency adjustments via an applied control voltage, essential for clock synchronization and phase-locked loops (PLLs).
Delivers precision with the ability to fine-tune. This oscillator allows for small frequency adjustments via an applied control voltage, essential for clock synchronization and phase-locked loops (PLLs).
TCXO/VC-TCXO
Engineered for stability in varying environments. The TCXO counteracts frequency drift caused by temperature changes, while the VC-TCXO adds voltage control for advanced synchronization needs.
Engineered for stability in varying environments. The TCXO counteracts frequency drift caused by temperature changes, while the VC-TCXO adds voltage control for advanced synchronization needs.
OCXO
The pinnacle of frequency stability. By maintaining the crystal at a constant high temperature, OCXOs deliver exceptional precision with minimal drift, critical for instrumentation and telecom infrastructure.
The pinnacle of frequency stability. By maintaining the crystal at a constant high temperature, OCXOs deliver exceptional precision with minimal drift, critical for instrumentation and telecom infrastructure.
32.768KHz Solution
The classic standard for timekeeping. This low-frequency, low-power crystal is the cornerstone of Real-Time Clocks (RTCs) in watches, wearables, and embedded systems, enabling accurate seconds counting.
The classic standard for timekeeping. This low-frequency, low-power crystal is the cornerstone of Real-Time Clocks (RTCs) in watches, wearables, and embedded systems, enabling accurate seconds counting.
RTC
Your system's perpetual calendar and clock. This integrated module combines a 32.768 kHz crystal, the oscillator circuit, and counter logic to track time, even when main power is disconnected.
Your system's perpetual calendar and clock. This integrated module combines a 32.768 kHz crystal, the oscillator circuit, and counter logic to track time, even when main power is disconnected.
Ceramic Resonator & Filter
A compact and cost-effective alternative for timing and filtering. Ceramic resonators provide a robust clock source, while ceramic filters selectively pass desired frequencies, rejecting noise in RF circuits.
A compact and cost-effective alternative for timing and filtering. Ceramic resonators provide a robust clock source, while ceramic filters selectively pass desired frequencies, rejecting noise in RF circuits.
SAW Device
A specialized component for radio frequency (RF) systems. Surface Acoustic Wave devices act as incredibly precise filters or resonators, enabling clear signal transmission and reception in wireless applications.
A specialized component for radio frequency (RF) systems. Surface Acoustic Wave devices act as incredibly precise filters or resonators, enabling clear signal transmission and reception in wireless applications.
MEMS Oscillator
A modern, rugged alternative to quartz. Based on micro-electro-mechanical systems, these oscillators offer superior resilience to shock, vibration, and EMI, ideal for harsh environments.
A modern, rugged alternative to quartz. Based on micro-electro-mechanical systems, these oscillators offer superior resilience to shock, vibration, and EMI, ideal for harsh environments.
MCF
A versatile system-on-chip timing solution. It generates multiple, synchronized clock frequencies from a single reference, replacing multiple crystals and oscillators to simplify board design.
A versatile system-on-chip timing solution. It generates multiple, synchronized clock frequencies from a single reference, replacing multiple crystals and oscillators to simplify board design.
Contact
Official Chinese website：www.q-crystal.com.cn
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