CRYSTAL
OSCILLATORS
OVEN CONTROLLED CRYSTAL OSCILLATORS 9100 SERIES
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Model 9140A
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Main applications: Communications equipment,
Measuring instruments.
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Features
8
Excellent aging characteristics
8
Anti-microphonic noise
(9140A-BGE71, 9140A-CEE70)
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Specification
Model
Item
Measuring
Condition
Nominal Frequency (MHz)
Supply Voltage
Power Consumption
Output Level
Fanout (gate)
Duty Cycle (+1.4 V)
Operating Temp. Range
Operable Temp. Range
Short-term Stability
Aging
Temp. Charact.
Supply Volt
Change
Vibration
Shock
Frequency Trim Range
Case Code
If you need NON-standard spec., please contact us.
9140A
BGE71
CEE70
10
+12VDC
4.5W max
N-TTL2
40~60%
–10~+60°C
–20~+70°C
1.4W max
V
OL
: 0.4V max, V
OH
: 2.4 min
BGE70
BFE70
Spec. Code
∆
f/f (2,
τ)
1 sec.
After 24H (
*
1) or 48H
(
*
2) operation
–10~+60°C
+12V±10%
+12V±5%
Tot amp. 1.5mm Freq. 10~
55Hz 3planes/30minutes each
Natural Drop from 5 cm
height, 3planes/3times each
1×10
–9
max
1×10
–10
max
1×10
–9
max
5×10
–10
max
Frequency Stability
±2×10
–8
max/day ±1×10
–9
max/day ±2×10
–8
max/day ±5×10
–9
max/day
(
*
1)
(
*
2)
(
*
1)
(
*
1)
±1×10
–7
max/year ±3×10
–8
max/year ±1×10
–7
max/year ±8×10
–8
max/year
(
*
1)
(
*
2)
(
*
1)
(
*
1)
±1×10
–7
max
±6×10
–8
max
±3×10
–8
max
±3×10
–9
max
±6×10
–8
max
±5×10
–8
max
±5×10
–8
max
±2×10
–6
min
/+5±3V
40A-2
±3×10
–8
max
±3×10
–8
max
±3×10
–7
min
40A-1
±3×10
–8
max
±1×10
–7
max
±5×10
–8
max
±5×10
–8
max
±5×10
–8
max
±5×10
–7
min
(by internal trimmer)
(by external voltage) (by internal trimmer)
40A-1
*
1→
24hour, *
2→
48hour
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Frequency Short Term Stability (example)
10
-9
10
-9
10
-10
10
-10
σ
2
(τ)
y
10
-11
σ
2
(τ)
y
10
10
2
10
3
10
4
τ
(ms)
10
-11
10
-12
10
-12
10
-13
1
10
-13
1
10
10
2
10
3
9140A-CEE70 (10MHz)
9140A-BGE71 (10MHz)
10
4
τ
(ms)
148
OVEN CONTROLLED CRYSTAL OSCILLATORS 9100 SERIES
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Phase Noise Characteristics (example)
(dBc/Hz)
—0
L(f)
(dB/Hz)
—0
L(f)
—50
—50
—100
—100
—150
—180
1
10
100
1K
10K
100K
1M
—150
—180
1
10
100
1K
10K
100K
1M
Off set Frequency (Hz)
9140A-CEE70 (10MHz)
Off set Frequency (Hz)
9140A-BFE70, BGE70 (10MHz)
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Warm-up Characteristics (example)
×10
–7
×10
–8
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Frequency Aging (example)
∆f/f
0
5
10
15
20
25
60
×10
–8
10
8
6
∆f/f
4
2
0
–2
N=40
Time (min)
–5
–5
–10
–10
–4
–6
1
2
3
4
5
10
20
30
50
100
200
500
Time (day)
–15
–15
9140A-BGE71 (10MHz)
CRYSTAL OSCILLATORS
9140A-BGE71 (10MHz)
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Dimensions
2max
2max
40A-2
(mm)
40A-1
(mm)
40
40
40
40
36max
6
Label
FREQ
ADJ
INC
7.5
6
(1)
36max
5–ø0.6
5–ø0.6
7
+DC
GND
V.C.
+DC
GND
GND
30.48±0.5
30.48±0.5
OUT PUT
30.48±0.5
GND
OUT PUT
30.48±0.5
GND
Be sure to ground
the GND terminal
when using the
product.
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