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

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.

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

产品型号一览表

特点参数 T710T760T640T770TRA85TRS75TCA55TRM60CX5228CX910
外同步输入GNSS ✓✓✓✓——————
1PPS ✓——✓✓✓✓✓——
10MHz ———✓——————
频率输出10MHz正弦波 8路4路4路5路1-way1-way——1-way4路
10MHz方波 6路—————1-way1-way——
可选 1/5MHz100MHz100MHz5/100MHz——————
—NTPIRIG-B———————
Stability1s <3E-12<5E-12<3E-12≤4E-13≤ 3×10⁻¹²≤ 6×10⁻¹²≤ 8×10⁻¹¹≤ 3×10⁻¹¹≤ 1.5×10⁻¹³≤ 1.1×10⁻¹³
10s <3E-12<5E-12<3E-12≤3E-13 ≤ 1.5×10⁻¹²≤ 2×10⁻¹²≤ 2.5×10⁻¹¹≤ 1×10⁻¹¹≤2×10-¹³≤2×10-¹³
100s <3E-13<5E-13<5E-12≤7E-14≤ 5×10⁻¹³≤ 6×10⁻¹³≤ 8×10⁻¹²≤ 3×10⁻¹²≤4×10⁻¹³≤5×10-¹³
日(GNSS锁定) <1E-12<1E-12<1E-12≤3E-14——————
Phase noise1Hz ≤-95dBc/Hz≤-95dBc/Hz≤-100dBc/Hz≤-120dBc/Hz≤ -95dBc/Hz≤ -85dBc/Hz≤ -50dBc/Hz≤ -85dBc/Hz≤ -123-126*
10Hz ≤-130dBc/Hz≤-130dBc/Hz≤-130dBc/Hz≤-140dBc/Hz≤ -130dBc/Hz≤ -120dBc/Hz≤ -80dBc/Hz≤ -120dBc/Hz≤ -145 ≤ -148
100Hz ≤-145dBc/Hz≤-145dBc/Hz≤-145dBc/Hz≤-155dBc/Hz≤ -150dBc/Hz≤ -145dBc/Hz≤ -115dBc/Hz≤ -140dBc/Hz≤ -155 ≤ -155
1kHz ≤-155dBc/Hz≤-155dBc/Hz≤-160dBc/Hz≤-160dBc/Hz≤ -160dBc/Hz≤ -150dBc/Hz≤ -130dBc/Hz≤ -140dBc/Hz≤ -160 ≤ -160
10kHz ≤-158dBc/Hz≤-158dBc/Hz≤-160dBc/Hz≤-160dBc/Hz≤ -160dBc/Hz≤ -155dBc/Hz≤ -140dBc/Hz≤ -145dBc/Hz≤ -165 ≤ -163
distortionHarmonic ≤-45dBc≤-45dBc≤-45dBc—≤ -30dBc≤ -30dBc—≤ -80dBc≤ -40dBc≤ -40dBc
Non-harmonic ≤-80dBc≤-80dBc≤-80dBc—≤ -80dBc≤ -70dBc——≤ -80dBc≤ -80dBc
Pulse outputNumber of way 4 4 4 4 1111——
Synchronization accuracy 20ns20ns20ns10ns——————
Frequency drift rate/day ————±5×10⁻¹³±1×10⁻¹²≤3×10-¹¹¹±3×10⁻¹²≤3×10-¹⁰≤1×10-¹⁰
物理电气特性Working temperature -10℃~+55℃-10℃~+55℃-10℃~+55℃-10℃~+55℃-40℃~+65℃-40℃~+65℃-40℃~+85℃-40℃~+75℃ -20℃~+70℃0℃~+40℃
存健温度 -45℃~+85℃-45℃~+85℃-45℃~+75℃-55℃-+85℃-40℃~+85℃-40℃~+85℃-55℃~+125℃-55℃~+100℃-40℃~+85℃-55℃~+125℃
power supply 220V±20%220V±20%220V±20%220V±20%+12V~+15V或+24V+12V~+15V,±4% +3.3V±5% +5V±4%+12VDC+14~+125℃
Rate of work 50W60W60W预热70W,稳态≤30W预热≤45W,稳态≤15W预热≤28.5W,稳态≤14.5W预热≤10W,稳态≤1.8W预热≤15W,稳态≤8W≤7.2W≤27W
External Dimension 2U半宽2U2U2U116mm×79mm×38mm68mm×68mm×18mm 41mm×36mm×17mm51mm×51mm×18mm50mm×50mm×19mm5inch×3inch×3inch
Weight 2Kg5Kg3.5Kg5kg≤500g≤300g≤50g<100g——
驯服及守时After 24h of synchronization 200ns200ns10us30ns(同步20d后)同步24h后≤1us≤1us—≤1us——

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