輸出
輸出頻率
10 MHz sine wave
振幅
0.5 Vrms, ±10 %
相位噪聲 (SSB)
<-130 dBc/Hz (10 Hz)
<-140 dBc/Hz (100 Hz)
失真度
<-130 dBc (100 kHz BW)
諧波失真
<-25 dBc
回波損耗
>25 dB @ 10 MHz
精度
±5 × 10-11
老化 (after 30 days)
<5 ×10-11 (monthly), <5 × 10-10 (yearly)
短期穩定性 (Allan variance)
<2 × 10-11 (1 s)
<1 × 10-11 (10 s)
<2 × 10-12 (100 s)
Holdover
72 hour Stratum 1 level
Frequency retrace
±5 × 10-11 (72 hrs. off then 72 hrs. on)
Settability
<5 × 10-12
調整范圍
±2 × 10-9 (0 to 5 VDC)
±1 ppm (via RS-232)
預熱時間
<6 minutes (time to lock)
<7 minutes (time to 1 × 10-9)
電壓靈敏度
<2 × 10-11 (1 VDC supply change)
物理指標
輸入電壓
+24 VDC (nom.), +22 VDC (min.), +30 VDC (max.)
電流
2.2 A (warm-up), 0.6 A (steady-state) at 25°C (Note 1)
保護電壓
±30 VDC to any pin except rf out
RF protection
100 mA (stable w/ any termination)
Cal reference out
5.00 ± 0.05 VDC
RS-232
9600 baud, 8 bits, no parity, 1 stop bit, 0 to 5 V levels with X-on/X-off protocol
1 pps measurement
±10 ns (accuracy), ±1 ns (resolution)
1 pps output set
±10 ns (accuracy), ±1 ns (resolution)