Symmetricom 5401 User Manual

Page of 40
PN 8500-0150, Rev. A, May 2005
29
Operating Manual
Specifications
5401 Indicators (Front Panel)
5402 Indicators (Front Panel)
DRO Internal Time Bases
Table 6  5401 Indicators (Front Panel)
Power (LED)
Indicates power applied to the unit (see 
Lock (LED)
Indicates Rubidium Locked status (see 
Table 7  5402 Indicators (Front Panel)
Power (LED)
Indicates power applied to the unit (see 
).
Table 8  DRO Internal Time Bases
LPRO (Low Profile Rubidium Oscillator) 
Output Waveform 
10 MHz sine wave
Output Level 
0.55 VRMS into 50
Output Impedance 
50 
Short Term Stability: 
t=1 second
2.5 x 10
-11
t=10 seconds
0.8 x 10
-11
t=100 seconds
0.25 x 10
-11
Aging 
5 x 10
-11
/month
Phase Noise:
1 Hz 
75 dBc/Hz
10 Hz 
89 dBc/Hz
100 Hz
128 dBc/Hz
1000 Hz 
140 dBc/Hz
10 kHz 
147 dBc/Hz