Email: sales@xtalong.com Tel: +86-28-80192520
Frequency: 10MHz
Supply Voltage: 12V
Output Waveform: Sinewave
Temperature characteristics: ±2ppb
Phase Noise: -118dBc/Hz@1Hz
This high-performance 10MHz OCXO in a standard 5050 DIP package delivers ultra-low close-in phase noise (-118 dBc/Hz @ 1Hz) and exceptional short-term stability (1s ADEV < 2E-13). Featuring a 12V power supply and low-distortion sine wave output, it serves as an ideal precision frequency reference for GPSDOs, advanced test equipment, and high-end audio master clocks.
·Nominal Frequency: 10.000 MHz standard precision reference
·Ultra-Low Phase Noise: -118 dBc/Hz @ 1Hz, -145 dBc/Hz @ 10HZ, and -170 dBc/Hz noise floor @ 10kHz
·Outstanding Short-Term Stability: Allan Deviation (ADEV) <2 X 10-13 @ 1s, < 3 X 10-13 @ 10s
·Tight Temperature Stability: Frequency stability of 2 ppb across -40°C to + 70°C
· Low Aging Rate: Daily aging ≤ +0.1 ppb/day, yearly aging ≤ +0.02 ppm/year
· Clean Sine Wave Output: Output level 9+2 dBm into 50 02, harmonics S -40 dBc, spurious -80 dBc
· Electronic Frequency Control (EFC): O to 5.OV voltage tuning with built-in +5.0V reference voltage output (Vref)
·Standard Industrial Packaging: Robust 5050 DIP metal hermetic package (50.8 x 50.8 x 19.0 mm) with superior RF shielding
GPSDO / GNSS-Tamed Systems: Ideal local oscillator for GPS/BDS-disciplined rubidium and quartz timing references
Test & Measurement Instrumentation: Master frequency reference for high-end spectrum analyzers, VNAs, and RF signal generators
Radar & Wireless Infrastructure: Low close-in phase noise local oscillators for military radar and telecom base stations
High-End Audio (Hi-Fi): Master clock generator for audiophile-grade DACs and digital audio network transports
Metrology & Scientific Laboratories: Precision frequency calibration, laboratory standards, and atomic clock phase-locking systems
Parameter | Min. | Type | Max. | Unit | Test Condition | ||
Power consumption | Power Supply | 12.0 | VDC | Vcc±5% | |||
Current | Start-up Current | 700 | mA | @Vcc±5%,25℃ | |||
Operating Current | 250 | mA | @Vcc±5%,25℃ | ||||
Output | Nominal Frequency | 10.000 | MHz | ||||
Waveform | Sine wave | —-- | |||||
Output Power | 9±2 | dBm | Load: 50Ω | ||||
Harmonic | -40 | dBc | Load: 50Ω | ||||
Spurious | -80 | dBc | Load: 50Ω | ||||
Load | 47.5 | 50 | 52.5 | Ω | Load ± 5% | ||
Frequency Stability | Initial Accuracy | -0.05 | +0.05 | ppm | VC=2.5V, 25℃, factory calibration | ||
Aging | Daily | -0.1 | +0.1 | ppb | Power-on time > 30 days | ||
Yearly | -0.02 | +0.02 | ppm | ||||
Temperature characteristics | -2 | +2 | ppb | -40~70℃ @25℃ | |||
Power Characteristics | -1 | +1 | ppb | Vcc±5% | |||
Load Characteristics | -1 | +1 | ppb | Load ± 5% | |||
G-Sensitivity | ≤3 | ppb | Gamma | ||||
Warm-up Characteristics | ≤±50 | ppb | Frequency deviation 15 minutes after power-on relative to 1 hour. | ||||
Short Term Frequency Stability | 1s | <2E-13 | Allan Deviation, power-on time > 1 hour. (Self-comparison or reference direct testing) | ||||
10s | <3E-13 | ||||||
Phase Noise | @1Hz | -118 | -116 | dBc/Hz | |||
@10Hz | -145 | -143 | dBc/Hz | ||||
@100Hz | -158 | -156 | dBc/Hz | ||||
@1KHz | -166 | -164 | dBc/Hz | ||||
@10KHz | -170 | -168 | dBc/Hz | ||||
Frequency Tuning | Frequency Adjustment Method | Voltage Regulation (Voltage Control) | —-- | ||||
Voltage-Controlled Voltage Input (VC) | 0~2.5~5.0 | VDC | |||||
Pulling Range | ≤±0.25 | ppm | |||||
Slope | Positive | ——- | |||||
Linearity | 10 | % | |||||
Voltage-Controlled Input Impedance | 10 | KΩ | |||||
Reference Voltage Output (Vref) | 5V ± 0.1V | ||||||
Ambient Temperature | Operating Temperature Range | -40 | 70 | ℃ | |||
Storage Temperature Range | -55 | 105 | ℃ | ||||



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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