Meinberg GPS165, Manual

Page: 43 / 62

8 Technical Specifications GPS165 receiver
8.3 Oscillator specifications
Oscilla
tor
s a
vailable f
or Meinber
g GPS R
eceiv
er
s / Time Ser
ver
s:
OCX
O
, T
CX
O
, Rubidium
TC
XO
OCX
O L
Q
OCX
O SQ
OCX
O MQ
OCX
O HQ
short t
erm s
tability
(
τ
= 1 sec)
2·10
-9
1·10
-9
5·10
-10
2·10
-10
5·10
-12
accur
acy of PPS
(pulse per sec)
< ±100 ns
< ±100 ns
< ±50 ns
< ±50 ns
< ±50 ns
phase noise
1Hz -60dBc/Hz
10Hz -90dBc/Hz
100Hz -120dBc/Hz
1kHz -130dBc/Hz
1Hz -60dBc/Hz
10Hz -90dBc/Hz
100Hz -120dBc/Hz
1kHz -130dBc/Hz
1Hz -70dBc/Hz
10Hz -105dBc/Hz
100Hz -125dBc/Hz
1kHz -140dBc/Hz
1Hz -75dBc/Hz
10Hz -110dBc/Hz
100Hz -130dBc/Hz
1kHz -140dBc/Hz
1Hz < -85dBc/Hz
10Hz < -115dBc/Hz
100Hz < -130dBc/Hz
1kHz < -140dBc/Hz
accur
acy
fr
ee run, one da
y
±1·10
-7
±1Hz
(Not
e1)
±2·10
-8
±0.2Hz
(Not
e1)
±5·10
-9
±50mHz
(Not
e1)
±1.5·10
-9
±15mHz
(Not
e1)
±5·10
-10
±5mHz
(Not
e1)
accur
acy
,
fr
ee run, 1 y
ear
±1·10
-6
±10Hz
(Not
e1)
±4·10
-7
±4Hz
(Not
e1)
±2·10
-7
±2Hz
(Not
e1)
±1·10
-7
±1Hz
(Not
e1)
±5·10
-8
±0.5Hz
(Not
e1)
accur
acy
GPS-s
ynchr
onous,
av
er
ag
e
24h
±1·10
-11
±1·10
-11
±1·10
-11
±5·10
-12
±1·10
-12
accur
acy of time
fr
ee run, 1 da
y
± 4.3 ms
± 865 µs
± 220 µs
± 65 µs
± 22 µs
accur
acy of time
fr
ee run, 1 y
ear
± 16 s
± 6.3 s
± 4.7 s
± 1.6 s
± 788 ms
temper
atur
e
depandan
t drift fr
ee
run
±1·10
-6
(-20...70°C)
±2·10
-7
(0...60°C)
±1·10
-7
(-10...70°C)
±5·10
-8
(-20...70°C)
±1·10
-8
(5...70°C)
Not
e 1:
The accur
acy in Hertz is based on the s
tandar
d fr
equency of 10 MHz.
For e
xample: Accur
acy of T
CX
O (fr
ee run one da
y) is ±1·10
-7
·10MHz = ± 1 HZ
The giv
en v
alues f
or the accur
acy of fr
equency and time (not short t
erm accur
acy) ar
e only v
alid f
or
a c
ons
tan
t ambien
t t
emper
atur
e! A minimum time of 24 hour
s of GPS-s
yncr
onicity is r
equir
ed be
for
e fr
ee run
st
arts.
GPS165XHS Date: 5th November 2019 39