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9740C_09 Datasheet, PDF (1/1 Pages) NIHON DEMPA KOGYO – Oven-Controlled Crystal Oscillator (OCXO) 9700 Series | |||
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Crystal Oscillator
Model Name 9740C
Oven-Controlled Crystal Oscillator (OCXO) 9700 Series
ï® Main Application
Mobile communication base station
ï® Features
ï¬ Excellent phase noise characteristics. (Compared to NDKâ s existing products,
phase noise characteristics have improved by 10 dB with the offset frequency at 1
kHz or more.)
ï¬ Excellent aging characteristics.
ï® Specifications
Model
9740C
Item
Classification
Standard nominal frequency (MHz)
Power supply voltage [VCC] (V)
Power consumption (W)
Output level
Load (Ω)
Operating temperature range (â)
Frequency warm-up characteristics
+25 °C twenty minutes after power is on
Based on frequency after 60 minutes operation
CDE01
BDE01
5
10
+12 ±10 %
Max. 4.5
Min. 1 mW (Min. 0 dBm) Min. 5 mW (Min. 7 dBm)
50
â10 to +60
Max. ±50Ã10â9
Aging
Based on frequency after 48 hours operation
Based on frequency after 48 hours operation
Frequency / temperature characteristics â10 â to +60 â
Power supply variation characteristics VCC +12 V ±10 %
Frequency control characteristics +5.0 ±4.5 V
Control polarity
Case code
Max. ±0.5Ã10â9/day
Max. ±2Ã10â9/Day
Max. ±20Ã10â9/year
Max. ±80Ã10â9/Year
Max. ±20Ã10â9
Max. ±2Ã10â9
Min. ±0.3Ã10â6
Min. ±1.0Ã10â6
Positive
40C
*1 It is based on frequency after 48 hours operation.
ï® Reference Value
Phase noise (dBc/Hz)
Offset frequency
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
CDE01
Max. â100
Max. â130
Max. â140
Max. â150
Max. â155
BDE01
Max. â90
Max. â120
Max. â140
Max. â150
Max. â155
ï® Dimensions
40C
40.0 ± 1.0
PIN Connections
#1
VCC
#2
GND
#3
VCONT
#4
GND
#5
OUTPUT
#1
#2
#3
mm
STAND OFF
(6POINTS)
ï® List of Ordering Codes
Frequency
(MHz)
5
10
Ordering Code
9740C-5M-NSA3276A
9740C-10M-NSA3276B
The above frequencies are NDKâ s standard frequencies.
Frequencies other than the above are available.
Feel free to contact our sales representatives.
5 - Φ0.8 ± 0.1
#5
(20.32)
#4
30.48 ± 0.25
Tolerance ±1.0 mm
co52_090121_9740C_e
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