输出 |
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输出频率 | 10 MHz sine wave |
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振幅 | 0.5 Vrms, ±10 % |
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相位噪声 (SSB) | <-130 dBc/Hz (10 Hz)
<-140 dBc/Hz (100 Hz) |
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失真度 | <-130 dBc (100 kHz BW) |
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谐波失真 | <-25 dBc |
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回波损耗 | >25 dB @ 10 MHz |
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精度 | ±5 × 10-11 |
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老化 (after 30 days) | <5 ×10-11 (monthly), <5 × 10-10 (yearly) |
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短期稳定性 (Allan variance) | <2 × 10-11 (1 s)
<1 × 10-11 (10 s)
<2 × 10-12 (100 s) |
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Holdover | 72 hour Stratum 1 level |
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Frequency retrace | ±5 × 10-11 (72 hrs. off then 72 hrs. on) |
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Settability | <5 × 10-12 |
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调整范围 | ±2 × 10-9 (0 to 5 VDC)
±1 ppm (via RS-232) |
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预热时间 | <6 minutes (time to lock)
<7 minutes (time to 1 × 10-9) |
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电压灵敏度 | <2 × 10-11 (1 VDC supply change) |
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物理指标 |
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输入电压 | +24 VDC (nom.), +22 VDC (min.), +30 VDC (max.) |
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电流 | 2.2 A (warm-up), 0.6 A (steady-state) at 25°C (Note 1) |
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保护电压 | ±30 VDC to any pin except rf out |
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RF protection | 100 mA (stable w/ any termination) |
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Cal reference out | 5.00 ± 0.05 VDC |
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RS-232 | 9600 baud, 8 bits, no parity, 1 stop bit, 0 to 5 V levels with X-on/X-off protocol |
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1 pps measurement | ±10 ns (accuracy), ±1 ns (resolution) |
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1 pps output set | ±10 ns (accuracy), ±1 ns (resolution) |
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环境指标 |
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工作温度 | -20 °C to +65 °C baseplate |
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温度稳定性 | ±1 × 10-10 (-20 °C to +65 °C baseplate) |
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存储温度 | -55 °C to +85 °C |
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磁场 | <2 × 10-10 for 1 Gauss field reversal |
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相对湿度 | 95 % (non-condensing) |
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M规格 |
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设计年限 | 20 yrs. |
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尺寸 | 3.0" × 2.0" × 4.0" (WHL) |
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重量 | 1.32 lbs. |
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底板螺纹 | 4-40 (4 places) |
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连接器 | Mates with ITT/Cannon DAM11W1S series |
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保修 | Two years parts and labor on defects in materials and workmanship |
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