
3-71
Vol. 2
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OVEN CONTROLLED CRYSTAL OSCILLATORS
QEO DO - Ultra-high stability series
Frequency stability
vs. temperature range at 10 MHz
Phase noise measurements at 10 MHz
N° 69
N° 75
N° 10
5
15
25
35
45
55
65
-.20
-.18
-.16
-.14
-.12
-.10
-.08
-.06
0
.02
.04
.06
.08
.10
.12
.14
-.04
-.02
.16
.18
How to order
Ex.: QEO DO
75
KQ 210 @ 10 MHz
Package Nb
K = -5° C
Q = +70° C
(See table)
Frequency
Stability = 2.10
-10
Low
Code
High
Code
temp. value
-40° C
-30° C
-20° C
-10° C
-5 ° C
0° C
temp. value
+50° C
+60° C
+70° C
+75° C
+80° C
+85° C
D
F
H
J
K
L
M
O
Q
R
S
T
F/Fo in 10
-9
Total frequency deviation: 5.10
-11
Temperature in °C
Please mention Output signal Waveform (Sine, HCMOS, LVCMOS, LVDS, ...)
Standard DO OCXO specifications
Frequency
in MHz
Phase noise dBc/Hz
10 Hz 100 Hz 1 kHz 10 kHz Floor 5% supply
Frequency stability vs.Tuning
5% load
Reference
range ±
4.096
5
5
8.192
8.192
10
10
16.384
-100
-100
-100
-75
-95
-85
-105
-95
-130
-130
-130
-85
-125
-115
-135
-125
-145
-145
-145
-115
-140
-135
-145
-145
-150
-150
-150
-135
-145
-140
-150
-150
-150
-150
-150
-135
-145
-140
-150
-150
1.10
-10
1.10
-10
2.10
-11
2.10
-10
1.10
-10
1.5.10
-11
2.10
-11
5.10
-11
1.10
-10
1.10
-10
5.10
-11
2.10
-10
1.10
-10
2.10
-11
5.10
-11
5.10
-11
0.5 ppm QEO DO 69 LM19 @4.096MHz
0.5 ppm QEO DO 10 LQ310 @ 5MHz
0.5 ppm QEO DO 75 LQ210 @5MHz
0.05 ppm QEO DO 63LQ710@8.192MHz
0.5 ppm
QEO DO 75
HN810 @8.192MHz
0.02 ppm QEO DO 69 LQ410 @10MHz
0.75 ppm QEO DO 75 KQ210 @10MHz
0.25 ppm
QEO DO 75 LQ210 @16.384MHz