Crystal Oscillator
Model Name 9740C
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Main Application
Mobile communication base station
Oven-Controlled Crystal Oscillator (OCXO) 9700 Series
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Features
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Excellent phase noise characteristics. (Compared to NDK’ s existing products,
phase noise characteristics have improved by 10 dB with the offset frequency at 1
kHz or more.)
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Excellent aging characteristics.
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Specifications
Item
Output frequency (MHz)
Operating temperature range
Power supply voltage
Consumption current
Output level
Load
Aging
Frequency / temperature characteristics
Power supply variation characteristics
Frequency control characteristic
Frequency warm-up characteristic
Case code
*1 It is based on frequency after 48 hours operation.
±3×10
−7
min/0.5 to +9.5V
±5×10
−10
max/day, ±2×10
−8
max/year *1
1mWmin (0dBm min)
50Ω
±2×10
−9
max/day, ±8×10
−8
max/year *1
Model
Classification
9740C
CDE01
5
−10 to +60°C
DC+12V±10%
4.5Wmax
5mWmin (+7dBm min)
BDE01
10
±2×10
−8
max/−10 to +60°C
±2×10
−9
max/DC+12V±10%
±1×10
−6
min/0.5 to +9.5V
±5×10
−8
max (+25°C in 20 minutes after power is on)
40C
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Reference Value
Offset frequency
1 Hz
CDE01
−100 max.
−130 max.
−140 max.
−150 max.
−155 max.
BDE01
−90 max.
−120 max.
−140 max.
−150 max.
−155 max.
Phase noise
dBc/Hz
10 Hz
100 Hz
1k Hz
10k Hz
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Dimensions
40C
40.0±1.0
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List of Ordering Codes
mm
PIN Connections
#1
#2
#3
#4
#5
VCC
GND
VCONT
GND
OUTPUT
Frequency
(MHz)
5
10
Ordering Code
9740C-5M-NSA3276A
9740C-10M-NSA3276B
#1
40.0±1.0
STAND OFF
(6POINTS)
#2
#3
30.48±0.25
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available.
Feel free to contact our sales representatives.
24.5max
6±1
(1)
#5
(20.32)
30.48±0.25
#4
5-Φ0.8±0.1
Tolerance ±1.0mm
co49_080418_9740C_e1
NDK [ NIHON DEMPA KOGYO ]
