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中文Crystal Oscillator
What is a Crystal Oscillator?
A Crystal Oscillator (XO), is an electronic component that generates a stable and precise frequency signal using the piezoelectric effect of a quartz crystal. It serves as a critical timing or clock source in electronic circuits, ensuring synchronized operations in devices.
Crystal oscillators(XO) are the ”heartbeat” of modern electronics, enabling precise timing for data transmission, signal processing, and system coordination. Without them, devices would struggle to maintain synchronization and reliability.
Power Your Electronics with Stability & Reliability
High-Precision Crystal Oscillators
At present, all our active crystal oscillators are programmable , Including KHz and MHz, can meet almost any requirements. we believe that the programmable crystal oscillator of mems is also the future development direction. In addition, if there are any technical problems & confusions of choice, please don’t hesitate to contact us anytime.
Types of XO We Offer
From IoT to 5G, Choose Our XO/OCXO/TCXO/ VCXO Solutions for Unmatched Frequency Accuracy
XO
XO stands for Crystal Oscillator, a fundamental electronic component that generates a stable and precise clock signal using the piezoelectric effect of a quartz crystal.
OCXO
OCXO stands for Oven Controlled Crystal Oscillator. An OCXO is a crystal oscillator that maintains a stable frequency output regardless of variations in the surrounding ambient temperature.
TCXO
A TCXO (Temperature-Compensated Crystal Oscillator) is a type of crystal oscillator designed to minimize frequency drift caused by temperature changes.
VCXO
A VCXO (Voltage-Controlled Crystal Oscillator) can be adjusted by applying an external control voltage. It combines the stability of a quartz crystal with limited frequency tunability, making it ideal for applications requiring precise frequency fine-tuning or synchronization.
Type | Stability | Key Feature | Use Case |
|---|---|---|---|
| XO | ±10–50 ppm | Basic, no compensation | Cost-sensitive designs |
| OCXO | ±0.01–0.1 ppm | Oven-controlled stability | Satellites, military systems |
| TCXO | ±0.5–2.5 ppm | Built-in temperature compensation | GPS, outdoor equipment |
| VCXO | ±20 ppm (tunable) | Voltage-controlled frequency | PLLs, communication sync |
Representative Products
±0.1ppm Stability: Industry-Leading Frequency Accuracy
Ultra-low Noise OCXO 05050
Based on the universal packages of 50*50*15mm, 25*25*12.7mm and 36*27*12.7mm, it achieves ultra-low noise of -122dBc/Hz@10MHz at 1Hz, ultra-high second stability of 1.5E-13/s, and has temperature stability of the order of E-10. It is the highest performance OCXO in China.
- Product Features:
– Ultra-low noise, high second stability
– 1Hz phase noise≤-122dBc/Hz@10MHz
– 1s Allan≤1.5E-13
– Temperature stability≤±0.5ppb - Main Applications:
Clock reference, test and measurement, precision instruments, ground monitoring station and other fields.
Ultra High Stability OCXO 03627
The O3627 is a small, ultra-high stability OCXO with dimensions of 36.2*27.2*13mm, featuring the highest temperature stability in the 5E-11 industry, and a second stability better than the 5E-12 performance.
- Product Features:
– Small volume, high stability
– Temperature stability ≤±1E-10 (-40℃~85℃)
– Aging rate ≤±1E-10/day
– Second stability ≤ 5E-12 - Main Applications:
Triple play, banking, electric power, base stations, routers, switching equipment, 1588 protocol applications.
Compact OCXO O1409
The O1409 is a miniaturised, SMD, OCXO with dimensions of 14.2*9.2*6.5mm. Temperature stability is better than 5ppb, and daily aging is better than ±1ppb.
- Product Features:
– Compact, SMD
– Temperature stability≤+5ppb (-40~85°C)
– Aging ≤±1ppb - Main Applications:
Base station, broadcasting, communication, instrumentation, microwave, time-frequency reference, Picocell, CPE-PTN, dispatching system, trunking, etc.
TCXO(Temperature-Compensated XO) T1409
The T1409 is a temperature complementary crystal with dimensions of 14.4*9.2*5.8mm. It is an advantageous temperature complementary technology that has the potential to replace high-cost thermostatic crystals by using the cost solution of a temperature complementary crystal to achieve a low phase noise level of -143dBc/Hz@1KHz.
- Product Features:
– Compact, SMD
– 14.4*9.2*5.8mm package size（other sizes eles）
– Phase noise better than -143dBc/Hz@1KHz
– Temperature compensation scheme, constant phase noise
– Support wide temperature
Technical Specifications
| Model | Temperature Stability | Temperature Range | Waveforms | Power Supply | Second Stability | Phase Noise | Package | Frequency Range |
|---|---|---|---|---|---|---|---|---|
05050 03627 02525 | ≤±0.5ppb | -40~+70°C -55~+85°C | sine wave | 12V | ≤1.5E-13 ≤8E-14 | 1Hz: -122dBc/Hz 10Hz:-147dBc/Hz 100Hz:-161dBc/Hz 1KHz:-165dBc/Hz 10KHz:-165dBc/Hz 100KHz:-165dBc/Hz 1MHz: -168dBc/Hz | DIP50*50*15mm DIP36*27*12.7mm DIP25*25*12.7mm | 5MHz~100MHz |
03627 02525 | ≤±5ppb | -40~+85°C -55~+105°C | sine wave | 5V 12V | ≤8E-12 | 1Hz: -80dBc/Hz 10Hz:-113dBc/Hz 100Hz:-146dBc/Hz 1KHz:-168dBc/Hz 10KHz:-181dBc/Hz 100KHz:-188dBc/Hz 1MHz:-188dBc/Hz | DIP 36*27*12.7mm DIP 25*25*12.7mm | 80MHz~120MHz |
01409 | ≤±5ppb | -40~+85°C -55~+105°C | sine wave | 5V 3.3V | ≤2E-11 | 10Hz:-105dBc/Hz 100Hz:-135dBc/Hz 1KHz:-162dBc/Hz 10KHz:-175dBC/Hz 100KHz:-178dBc/Hz 1MHz:-178dBc/Hz | SMD 14.4*9.5*6.5mm | 80MHz~120MHz |
| Model | Temperature Stability | Temperature Range | Waveforms | Power Supply | Day-aging | Phase Noise @ 10MHz TyP | Package | Frequency Range |
|---|---|---|---|---|---|---|---|---|
| 05050 | ≤±0.01ppb | -40~+70°C -55~+85°C | Sine Wave Square Wave | 5V 12V | ≤±0.05ppb | -150dBc/Hz@1KHz | DIP 50.8*50.8*15.0mm | 5MHz~200MHz |
| 03627 | ≤±0.1ppb | -40~+85°C -55~+105*C | Sine Wave Square Wave | 3.3V 5V 12V | ≤±0.1ppb | -150dBc/Hz@1KHz | DIP 36.2*27.2*12.7mm | 5MHz~200MHz |
| 02525 02522 | ≤±0.2ppb | -40~+85°C -55~+105°C | Sine Wave Square Wave | 3.3V 5V 12V | ≤±0.2ppb | -155dBc/Hz@1KHz | DIP 25.4*25.4*12.7mm SMD 25.4*22*12mm | 5MHz~200MHz |
| 02020 | ≤±0.5ppb | -40~+85°C -55~+105°C | Sine Wave Square Wave | 3.3V 5V 12V | ≤±0.5ppb | -155dBc/Hz@1KHz | DIP 20.2*20.2*10mm | 5MHz~200MHz |
| Model | Temperature Stability | Temperature Range | Waveforms | Power Supply | Day-aging | Phase Noise @20MHz TyP | Package | Frequency Range |
|---|---|---|---|---|---|---|---|---|
| 01409 | ≤±2ppb | -40~+85°C -55~+105°C | sine wave square wave | 3.3V 5V | ≤±1ppb | -155dBc/Hz@1KHz | SMD 14.4*9.5*6.5mm | 5MHz~100MHZ |
| 00907 | ≤±10ppb | -40~+85°C -55~+105°C | square wave | 3.3V 5V | ≤±1ppb | -162dBc/Hz@1KHz | SMD 9.7*7.5*3.9mm | 9.6MHz~100MHZ |
| 00705 | ≤±2ppb | -40~+85°C -55~+105°C | square wave | 3.3V 5V | ≤±1ppb | -162dBc/Hz@1KHz | SMD 7.7*5.5*3.3mm | 19.2MHz~48MHZ |
| Model | Temperature Stability | Temperature Range | Waveforms | Working Voltage | Annual aging | Phase Noise Typ | Package | Frequency Range | Remark |
|---|---|---|---|---|---|---|---|---|---|
T1409 | ≤±0.5ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | square wave sine wave | 3.3V 5.0V | ≤±1ppm | @100M 10Hz: -75dBc/Hz 100Hz: -115dBc/Hz 1KHz: -143dBc/Hz 10KHz: -163dBc/Hz 100KHz: -165dBc/Hz | 14*9*5.8mm | 10~100MHz | Low noise High-frequency |
T0705 | ≤±0.1ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | square wave clipped sine wave | 2.5V 3.3V | ≤±1ppm | @20M 100Hz: -130dBc/Hz 1KHz: -148dBc/Hz 10KHz: -156dBc/Hz | 7.0*5.0*2.2mm | 10~52MHz | Low noise |
T0705 | ≤±0.5ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | square wave clipped sine wave | 3.3V | ≤±1ppm | @40M 100Hz: -122dBc/Hz 1KHz: -139dBc/Hz 10KHz: -146dBc/Hz | 7.0*5.0*1.9mm | 10~52MHz | Vibration-resistant ≤±0.3ppb/g |
T0705 | ≤±0.05ppm ≤±0.5ppm | -40~85℃ -55~105°C | square wave sine wave clipped sine wave | 3.3V 5.0V | ≤±1ppm | @10M 10Hz:-90dBc/Hz 100Hz:-120dBc/Hz 1KHz:-138BC/Hz 10KHz:-147dBc/Hz 100KHz:-155dBc/Hz | 7.0*5.0*2.0mm | 10~52MHz | High-stability |
T5032 | ≤±0.2ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | square wave clipped sine wave | 1.8V 3.3V 5.0V | ≤±1ppm | @19.2M 100Hz: -122dBc/Hz 1KHz: -142dBc/Hz 10KHz: -154dBc/Hz 100KHz: -157dBc/Hz 1MHz: -159dBc/Hz | 5.0*3.2*1.85mm | 10~52MHz | High-stability |
T3225 | ≤±0.5ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | square wave clipped sine wave | 1.8V 3.3V | ≤±1ppm | @19.2M 100Hz:-115dBc/Hz 1KHz:-135dBc/Hz 10KHz:-148dBc/Hz | 3.2*2.5*0.9mm | 10~52MHz | Compact |
T2520 | ≤±0.5ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | clipped sine wave | 1.8V 3.3V | ≤±1ppm | @19.2M 100Hz:-115dBc/Hz 1KHz:-135dBc/Hz 10KHz:-148dBc/Hz | 2·5*2.0*0.7mm | 10~52MHz | Compact |
T2016 | ≤±0.5ppm ≤±2ppm | -40~+85℃C -55~+105°C -55~+125℃ | clipped sine wave | 1.8V 3.3V | ≤±1ppm | @19.2M 100Hz:-115dBc/Hz 1KHz:-135dBc/Hz 10KHz:-148dBc/Hz | 2.0*1.6*0.7mm | 10~52MHz | Compact |
What Standards We Follow?
As A Crystal Oscillator Manufacturer, all products meet global RoHS/REACH directives. We have passed many authoritative certificates, including:
ISO9001 Quality Management System (QMS)
ISO14001 Environmental Management System (EMS)
ISO/IEC27001 Information Security Management Systems (ISMS)
ISO/IEC20000 IT Service Management (ITSM)
ISO45001 Occupational Health and Safety Management Systems (OHSMS)
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TCXO vs. OCXO
Which is Better for Your Application?
Choosing between a Temperature-Compensated Crystal Oscillator (TCXO) and an Oven-Controlled Crystal Oscillator (OCXO)
depends on your application’s requirements for frequency stability, power consumption, size, and cost.
- When to Choose TCXO？
Best for:
Battery-powered devices (IoT sensors, wearables, GPS trackers).
Space-constrained designs (mobile phones, drones).
Moderate stability needs (industrial sensors, consumer electronics).
Advantages:
Low power consumption and cost.
Immediate operation without warm-up.
- When to Choose OCXO？
Best for:
High-precision timing (5G base stations, satellite communications).
Extreme environments (aerospace, military, deep-sea equipment).
Long-term stability (atomic clocks, network servers).
Advantages:
Exceptional frequency stability over temperature and time.
Minimal aging (e.g., ±1 ppb/year).
