ECEC Crystal Oscillators | BeiLuo Distributor

About Crystal Oscillators

Precision crystal oscillators including XO, TCXO, VCXO, and OCXO for stable clock generation in various applications.

As an authorized distributor of ECEC, BeiLuo provides a comprehensive range of Crystal Oscillators products. These products are widely used in industrial control, automotive electronics, consumer electronics, and communication equipment. We offer a complete product line with multiple series to meet various application requirements. All products are genuine and original, backed by professional technical support and comprehensive after-sales service.

Selection Guide: How to Choose the Right Crystal Oscillators

Product List

2 products available

Part Number ↕	Frequency ↕	Frequency Stability ↕	Supply Voltage ↕	Output Type ↕	Output Level ↕	Package ↕	Stock Status	Action
XO-25MHz-3.3V	25.000 MHz	±50ppm over -40C to +85C	3.3V ±10%	CMOS	0.4V to 2.9V (3.3V supply)	SMD 7.0 x 5.0 x 1.4mm	[object Object]	View Details
TCXO-26MHz-2.0ppm	26.000 MHz	±2.0ppm over -40C to +85C	1.8V to 3.3V	CMOS	0.2V to VDD-0.2V	SMD 3.2 x 2.5 x 1.0mm	[object Object]	View Details

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Frequently Asked Questions

What is the difference between XO, TCXO, VCXO, and OCXO?

XO (Crystal Oscillator) is a basic oscillator with standard frequency stability of ±20ppm to ±50ppm over temperature. TCXO (Temperature-Compensated Crystal Oscillator) includes temperature compensation circuitry achieving ±0.5ppm to ±2.5ppm stability. VCXO (Voltage-Controlled Crystal Oscillator) allows frequency adjustment via control voltage, used for PLL and synchronization. OCXO (Oven-Controlled Crystal Oscillator) uses a temperature-controlled oven to maintain constant crystal temperature, achieving ±0.01ppm to ±0.1ppm stability. Choose XO for cost-sensitive applications, TCXO for good temperature stability, VCXO for frequency control, OCXO for highest precision.

Choose oscillator type based on stability requirements and budget. Contact us for application-specific recommendations.

What supply voltage options are available?

ECEC oscillators support various supply voltages: 1.8V - For low-power portable and battery-operated devices. 2.5V - For low-voltage digital systems. 3.3V - Most common voltage for modern digital systems. 5.0V - For legacy systems and industrial applications. Some oscillators support multiple voltages or have wide voltage ranges (1.8V to 3.3V). Check your system voltage and select the appropriate oscillator. 3.3V is the most popular choice for new designs. 1.8V is preferred for ultra-low-power applications. Ensure the oscillator voltage matches your system voltage for reliable operation.

Match oscillator supply voltage to your system voltage. Contact us for voltage options.

What output types are available?

ECEC oscillators offer various output types: CMOS - Standard square wave output, most common, compatible with digital logic. LVCMOS - Low-voltage CMOS for 1.8V and 2.5V systems. LVDS - Low-Voltage Differential Signaling for high-speed, low-noise applications. LVPECL - Low-Voltage Positive Emitter-Coupled Logic for high-speed applications. HCMOS - High-speed CMOS for demanding applications. Clipped Sine - For RF and telecommunications. Choose CMOS for general applications, LVDS/LVPECL for high-speed, differential outputs for noise immunity.

Select output type based on your system interface requirements. Contact us for output type recommendations.

What is the startup time for crystal oscillators?

Startup time varies by oscillator type: XO - 1ms to 10ms typical startup time. TCXO - 2ms to 50ms due to temperature compensation circuitry. VCXO - Similar to XO, 1ms to 10ms. OCXO - 1 to 5 minutes for oven to reach stable temperature. Startup time is measured from power-on to stable output frequency within specified tolerance. For fast startup requirements, choose XO or VCXO. For applications requiring immediate stable clock, consider standby power for OCXO. Startup time may vary with temperature and supply voltage. Check datasheet for specific startup time specifications.

Consider startup time requirements for your application. Contact us for fast-startup options.

What is phase noise and why is it important?

Phase noise is the short-term random frequency fluctuations of an oscillator, measured in dBc/Hz at various offsets from the carrier frequency. It is important because: 1) Communication systems - phase noise affects signal quality and bit error rate. 2) RF applications - phase noise impacts adjacent channel interference. 3) High-speed digital - phase noise contributes to clock jitter. 4) Precision timing - phase noise affects measurement accuracy. Typical phase noise: XO - -130dBc/Hz at 1kHz offset. TCXO - -140dBc/Hz at 1kHz offset. OCXO - -150dBc/Hz or better. Lower phase noise is better. Choose oscillators with appropriate phase noise for your application.

Select oscillators with phase noise specifications meeting your application requirements.