Rubidium Frequency & Time Standard CH1-1015

Type / Specifications

1. Output/Frequency/Waveform:

10 MHz/sine wave/4
1 pps/ pulse/2

2. Frequency Control:
Internal trim range(trimpot):
External trim range(electronic):
Digital via interface: range/resolution

-
-
± 1^.10^-9/ 1^.10^-12

3. Output Impedance:

75Ω @ 10 MHz

4. Frequency Accuracy At Shipment:

±2^.10^-11(+25°C)

5. Frequency Retrace:

< 2^.10^-11

6. Aging monthly (after 1 month):

<± 2^.10^-11

7. Short Term Stability:
τ =1 sec
τ =10 sec
τ =100 sec

<1.4^.10^-11
<5^.10^-12
<3^.10^-12

8. Magnetic Field Sensitivity:

±2^.10^-11/GAUSS

9. Spectral Purity
Harmonics:

<-80 dBc

10.Harmonic 2nd:

<-35 dBc

11. Phase Noise(SSB),₤(f), dBc/Hz
SB Freq:
100 Hz
1 kHz
10 kHz

-130 dBc//Hz
-140 dBc//Hz
-145 dBc//Hz

12. Operating Temperature:

5°C to 50°C

13. Warm up at 20°C:

<120 min

14. Additional Functions installed:
Frequency Comparator
Time-Scale Counter
Disciplined Rb
Digital Display
Outer PC connection via :

No
No
Yes
No
RS-485

15. Storage Temperature:

-55°C to +85°C

16. Temperature Coefficient:

|y (50°C)-y(5°C)|
<3^.10^-10

17. Altitude:
Operating
Non-operating

-200 ft to 40,000 ft.
-200 ft to 70,000 ft.

18.Power Supply Requirements:

27±3 VAC

19. Warm-up/ Quiescent (25°C ):

75W/30 W

20. Options:
DC Power Supply 27±3VDC
Specifications by Order

-
No

21. Size:

265 x155 x 210 mm

22. Weight:

<7.0 kg

23. Warranty:

2 years

24. Extended Warranty:

Consult factory