描述
特点
- 2.5 X 3.0 X 0.7 英寸
- 铯蒸汽原子钟
- 静止或移动GPS模式
- 功耗小于4W
- 超快速,预热小于2分钟
技术参数
Long-Term Oscillator Aging (without GPS -Zero aging with GPS) | Less than 0.3ppb per month in Holdover without GPS | |||
Frequency Stability Over Temperature | Better than ±0.5E-09 (CSAC only, no GPS Disciplining, 0°C to +70°C) | |||
1 PPS Accuracy | ±15ns to UTC RMS (1-Sigma) GPS Locked in Position Hold mode | |||
Frequency Accuracy | Better than ±2E-010 after 3 minutes operation with GPS lock | |||
Holdover Stability (after 96 hours warmup) | <±2us over 24 Hour Period @+25°C (after 20 minutes with GPS lock) | |||
ADEV (with GPS lock) | 1s: <1E-10, 10s: <2.5E-11, 100s <2E-11, 1Ks: <1E-11, 10Ks: <2E-12 | |||
1 PPS Output (CSAC Flywheel Generated) | 5V CMOS output, can be shifted in 1ns steps relative to UTC | |||
10MHz Output, 5MHz Output | Four Isolated 10MHz Sine Wave +13dBm ±3dBm, one 5MHz CMOS 5V | |||
Distribution Amplifier Port Isolation | 2MHz: > 98dB, 10MHz: > 85dB | |||
RS-232 Control (Including USB Port) | Full SCPI-99 Control Commands at 9.6K, 19.2K, 38.4K, 57.6K, 115.2K | |||
RS-232 NMEA Output Sentences | NMEA 0183 rev. 2.3, Sentences: GGA, RMC, ZDA, PASHR, and others | |||
GPS Frequency, Antenna | L1 C/A 1574MHz, Passive or Active Antenna 5V, MMCX Connector | |||
GPS Receiver | 50 Channels, Mobile, SBAS: WAAS, EGNOS, MSAS supported | |||
Sensitivity | Acquisition -144 dBm, Tracking -160 dBm | |||
GPS TTFF | Cold Start – <45 sec, Warm Start – 1 sec, Hot Start – 1 sec | |||
GPS Receiver Motion Adaptive Filter Settings | Optimized depending on vehicle velocity (Auto-sensing, Auto-switching) | |||
TTL Alarm Output | GPS Unlock and Hardware Failure indicator | |||
Warm Up Time / Stabilization Time Without GPS | <3 min at +25°C to <5E-010 Accuracy Typ. | |||
Supply Voltage (Vdd) | Aircraft and Vehicle Power Range: 8V to 36VDC, or 5V via Mini-USB | |||
Power Consumption | <1W with CMOS output option (12V Vdd) <1.4W | |||
Operating Temperature | -10°C to +70°C | |||
g-sensitivity | <0.2ppb per-g per-axis | |||
Magnetic Sensitivity | Less than 0.4ppb per Gauss | |||
Storage Temperature | -45°C to +85°C | |||
MTBF | > 100,000 Hours (0°C to +70°C) | |||
USB, LCD support | Optionally USB powered and controlled, supports 16×2 LCD Displays | |||
Phase Noise | 10Hz | -90dBc/Hz | ||
100Hz | -125dBc/Hz | |||
1KHz | -145dBc/Hz | |||
10kHz | -152dBc/Hz | |||
100kHz | -153dBc/Hz |