Email: sales@xtalong.com Tel: +86-28-80192520
Email: sales@xtalong.com Tel: +86-28-80192520
Frequency: 40MHz
Output: HCMOS
Ambient: ≤±50ppb
Aging: ≤±1ppb/day
Frequency Accuracy: ≤±0.2ppm
High-performance OCXO delivering ≤±0.2ppm frequency accuracy, ≤±50ppb ambient stability, and ≤±1ppb/day aging. Ideal for telecom infrastructure, aerospace systems, precision timing, and GPS-disciplined oscillators.
✅ Exceptional Stability – ±50ppb over -40°C to +85°C
✅ Low Phase Noise – -100 dBc/Hz @ 10Hz, -153 dBc/Hz @ 100kHz
✅ Fast Warm-Up – ±0.1ppm frequency deviation after 5 minutes
✅ HCMOS Output – 40MHz nominal, 45–55% duty cycle
✅ Long-Term Reliability – ±1ppb/day aging, ±300ppb/year
| Parameters | Technical Indicators | Remarks | ||
| Output Characteristics | Nominal Frequency | 40.000MHz | ||
| Output Level | HCMOS | |||
| "0“ level | ＜0.4V | |||
| "1" level | ＞2.4V | |||
| Rise/fall Time | ＜6ns | |||
| Duty Cycle | 45% ~ 55% | |||
| Frequency Stability | Ambient | ≤±50ppb | -40～+85℃, fref=(fmax+fmin )/2 | |
| Voltage | ≤±5ppb | 5V±5% | ||
| Load | ≤±5ppb | 15pF±5% | ||
| Aging | ≤±1ppb/day | After 30days | ||
| ≤±300ppb/year | ||||
| Frequency Accuracy | ≤±0.2ppm | Factory calibration value，+25℃,VC=2.5V | ||
| Power Characteristics | Current | ＜400mA | @turn on | |
| Steady Current | ＜200mA | @+25℃ | ||
| Voltage | 5.0V | ±5% | ||
| Power-on Characteristics | ≤±0.1ppm | The frequency deviation after 5 minutes of power on is equivalent to 1 hour. | ||
| Voltage Control（Frequency Fine Tuning） | Tuning Voltage Range | 0~5V | Center Voltage +2.5V | |
| Tuning Range | ＞±2ppm | |||
| Slope | Positive | |||
| Linearity | ＜10% | |||
| Input Impedance | ≥100KΩ | |||
| Parameters | Technical Indicators | Remarks | ||
| Phase Noise | Typ. | Max. | dBc/Hz | |
| 10Hz | -100 | -95 | ||
| 100Hz | -135 | -130 | ||
| 1KHz | -150 | -145 | ||
| 10KHz | -153 | -148 | ||
| 100KHz | -153 | -148 | ||
| Work Environment | Operating temperature | -40℃~85℃ | ||
| Storage Temperature | -55℃~105℃ | |||
| Vibration | Test conditions: Amplitude: 0.75mm (5～26HZ); Acceleration: 10g; 10Hz～500Hz; 30min per cycle, 2 hours in each direction (3 directions, X, Y and Z), IEC 68-2-06 Test Fc. | |||
| Shocking | 50g; 11ms; half sine wave (3 directions, X, Y and Z), IEC 68-2-27 TestEa/Severity 50A | |||
| Dimension | 14.4*9.2*6.5mm | |||
| Weight | 2.2g | |||
Telecommunications – Base stations, microwave links, sync equipment
Aerospace & Defense – Radar, avionics, navigation systems
Precision Timing – Test & measurement, GNSS, frequency counters
Industrial – Medical imaging, broadcast video, data acquisition
Contact: Katya Vane
Phone: +86-18884136031
Tel: +86-28-80192520
Email: sales@xtalong.com
Add: No.4 of XinHang Road, West of High-tech zone, Chengdu City 611731, China
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