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VCXO square wave output

VCXO square wave output

High-Performance VCXO with Square Wave Output - 122.88MHz, ±10ppm, Ultra-Low Phase Noise

Precision 122.88MHz VCXO Featuring CMOS Square Wave Output for Critical Timing Applications

This VCXO with square wave output delivers exceptional frequency stability at 122.88MHz, making it ideal for high-speed communication and network equipment. The oscillator provides CMOS-compatible square wave output with outstanding frequency accuracy of ≤±10ppm at 25°C±2°C, ensuring reliable synchronization in demanding systems.


Technical Specifications:


Output Characteristics

Frequency122.88MHz
OutputSquare Wave
Load15pF

“1” Level≥2.4V
High/Low Level“0”Level≤0.4V
Rise/Fall Time≤6ns
Duty Cycle50%±5%
Frequency stabilityFrequency accuracy≤±10ppm @25℃±2℃ ,  Voltage Control 1.65V
Frequency Temperature Accuracy≤±20ppm @-40℃~+95℃
Phase noise @25℃@10Hz≤-83dBc/Hz
@100Hz≤-113dBc/Hz
@1KHz≤-140dBc/Hz
@10KHz≤-161dBc/Hz
@100KHz≤-170dBc/Hz
@1MHz≤-174dBc/Hz
@10MHz≤-175dBc/Hz
Voltage control characteristicsRegulating Voltage1.65V±1.65V
Adjustment range≥±25ppm
SlopePositive slope
Input insistance≥100KΩ
Supply voltage/current@25℃Working voltage3.3V±5%
Current≤30mA
Environmental mechanical conditionsWorking temperature range-40℃~+95℃
Storage temperature range-40℃~+95℃

Key Features:

  • Ultra-Stable Frequency: 122.88MHz with ≤±10ppm accuracy at 25°C±2°C

  • Superior Signal Quality: Clean square wave output (0V to 3.3V swing)

  • Excellent Phase Noise Performance: ≤-161dBc/Hz @10kHz for minimal jitter

  • Precise Voltage Control: 1.65V control voltage for fine frequency adjustment

  • Low-Power Operation: 3.3V working voltage for energy-efficient designs

  • Industry-Standard Package: Available in compact SMD form factors


Ideal Applications:

  • 5G Base Stations and Telecom Equipment

  • High-Speed Data Communication Systems

  • Network Synchronization and Timing Cards

  • FPGA and ASIC Clock Generation

  • Test and Measurement Instruments

  • Broadcast Video Equipment

This 122.88MHz VCXO combines ultra-low phase noise with precise square wave output, making it perfect for applications requiring both excellent frequency stability and clean digital clock signals. The device's 1.65V control voltage allows for fine frequency adjustments while maintaining optimal performance across temperature variations.

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