输出

输出频率

10 MHz sine wave

振幅

0.5 Vrms, ±10 %

相位噪声 (SSB)

<-130 dBc/Hz (10 Hz)
<-140 dBc/Hz (100 Hz)

失真度

<-130 dBc (100 kHz BW)

谐波失真

<-25 dBc

回波损耗

>25 dB @ 10 MHz

精度

±5 × 10-11

老化 (after 30 days)

<5 ×10-11 (monthly), <5 × 10-10 (yearly)

短期稳定性     (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

调整范围

±2 × 10-9 (0 to 5 VDC)
±1 ppm (via RS-232)

预热时间

<6 minutes (time to lock)
<7 minutes (time to 1 × 10-9)

电压灵敏度

<2 × 10-11 (1 VDC supply change)

物理指标

输入电压

+24 VDC (nom.), +22 VDC (min.), +30 VDC (max.)

电流

2.2 A (warm-up), 0.6 A (steady-state) at 25°C (Note 1)

保护电压

±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)

环境指标

工作温度

-20 °C to +65 °C baseplate

温度稳定性

±1 × 10-10 (-20 °C to +65 °C baseplate)

存储温度

-55 °C to +85 °C

磁场

<2 × 10-10 for 1 Gauss field reversal

相对湿度

95 % (non-condensing)

M规格

设计年限

20 yrs.

尺寸

3.0" × 2.0" × 4.0" (WHL)

重量

1.32 lbs.

底板螺纹

4-40 (4 places)

连接器

Mates with ITT/Cannon DAM11W1S series

保修

Two years parts and labor on defects in materials and workmanship