6-17
.001
.01
.1
1
10
100
t
(seconds)
10
-9
10
-10
10
-11
10
-12
s
y
(
t
)
f
L
(LOOP BW) =
f
L
= 100 Hz (STANDARD)
OTHERS OPTIONAL
f
L
= 0.01 Hz
f
L
= 1 Hz
VCXO
RUBIDIUM - WORST CASE
f
L
= 100 Hz
Short-Term Stability of a Rb Standard
Rubidium Atomic Frequency Standard, Model FE-5600A data sheet, Frequency Electronics, Inc., 55 Charles Lindbergh Blvd., Mitchel Field, NY 11553.