CX5228A High stability and low phase noise crystal oscillator

Learn about our high stability and low phase noise crystal oscillators

The CX5228A is a highly stable, low-phase-noise oven-controlled crystal oscillator (OCC). It utilizes a high-Q crystal resonator, offering excellent frequency stability and phase-noise performance. Operating in a temperature range of -20°C to +70°C, it features an aging rate better than 3E-10/day and a 1Hz phase noise rating of -126dBc/Hz. It is widely used in communications, navigation, radar, reconnaissance, high-end instruments, and high-end audio systems.

CX5228A High stability and low phase noise crystal oscillator

Important Features

  • Operating temperature range -20℃ ~+70℃
  • Near-end phase noise up to ≤ -123dBc/Hz@1Hz
  • Frequency stability ADEV, the lowest up to 1.5E-13/1s
  • +12VDC power supply

 

CX5228A High Stability Low Phase Noise Crystal Oscillator Manual

Important Features

Test ItemConditionTechnical Indicators
Frequency stability（1s@10MHz）standard≤5×10⁻¹³
Frequency stability（1s@10MHz）Option A1≤3×10⁻¹³
Frequency stability（1s@10MHz）Option A2≤2×10⁻¹³
Frequency stability（1s@10MHz）Option A3≤1.5×10⁻¹³
Phase noise1HzStandard：≤-113；B1：≤-116；B2：≤-118；B3：≤-123
Phase noise10HzStandard：≤-140；B1：≤-143；B2：≤-145；B3：≤-145
Phase noise100HzStandard：≤-150；B1：≤-155；B2：≤-155；B3：≤-155
Phase noise1kHzStandard：≤-155；B1：≤-160；B2：≤-160；B3：≤-160
Phase noise10kHzStandard：≤-163；B1：≤-165；B2：≤-165；B3：≤-165
Phase noise100kHzStandard：≤-163；B1：≤-165；B2：≤-165；B3：≤-165
Aging rate1 dayStandard：≤5×10⁻¹⁰；OptionC1：≤3×10⁻¹⁰
Aging rate1 month≤5×10⁻⁹
Aging rateThe first year≤5×10⁻⁸
Aging rateTen years≤2.5×10⁻⁷
Frequency controlPressure control voltage range0~5V，Positive slope
Frequency controlFrequency regulation range≥±2.5×10⁻⁷
Temperature frequency characteristics≤±5×10⁻⁹
Voltage frequency characteristics≤±5×10⁻¹⁰
Load frequency characteristics≤±5×10⁻¹⁰
Wave shapeSine wave
Output power≥5dBm
Output impedence50Ω
Harmonic≤-40dBc
Clutter≤-80dBc
Working temperature-20℃~+70℃
Storage temperature-40℃~+85℃
power supply+12VDC
Electric current≤0.6A
External Dimension50mm×50mm×19mm

Typical phase noise

Frequency stability typical value

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