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NIHON DEMPA KOGYO
NIHON DEMPA KOGYO

NH25M22WD Datasheet Preview

NH25M22WD Datasheet

Oven-Controlled Crystal Oscillator

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NH25M22WD pdf
Crystal Oscillator
Model Name NH25M22WD Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment
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n Main Application
l Mobile communication base station
l Measuring instrument
l Synthesizer
l Exchanger
l High-end router
n Features
l Compact, with a low height.
l A surface-mount (SMD) package.
l Reflow soldering is possible.
l Excellent phase noise characteristics.
l Excellent aging characteristics.
n Specifications
Item Measurement condition
Model
NH25M22WD
Standard nominal frequency (MHz)
12.8
Power supply voltage
DC +3.3V
Power consumption
2.7 W max. at the start and 1 W max. when stable (+25°C)
Output level
HCMOS (VOL : 0.4V max., VOH : 2.9V min.)
Load
10kΩ//15pF
Duty Cycle (1/2Vcc)
40 to 60%
Operating temperature range
−10 to +70°C
Frequency warm-up characteristic +25°C three minutes after power is on
±500×10−9 max.
Aging
Based on frequency after 30 days operation
Based on frequency after 30 days operation
±10×10−9/day max.
±500×10−9/year max.
Frequency / temperature characteristic −10 to +70°C
±300×10−9 max.
Power supply variation characteristics DC +3.3V±5%
±50×10−9 max.
n Reference Value
Phase noise (@12.8MHz)
The value of phase noise changes when the frequency changes.
n Dimensions
Offset frequency
1 Hz
10 Hz
100 Hz
1k Hz
10k Hz
dBc/Hz
−60 max.
−90 max.
−120 max.
−130 max.
−140 max.
n List of Options
7.62±0.1
8.9
17.8±0.1
22±0.2
PIN Connections
#1 NC
#2 NC
#3 VCC
#4 OUTPUT
#5 NC
#6 NC
#7 GND
2.5
#1 #2 #3
#7 #6 #5 #4 Tolerance ±0.2mm
Power supply voltage
Nominal frequency (MHz)
DC +5V
10 to 38.88
For details of options, please feel free to contact
our sales representatives.
n List of Ordering Codes
Frequency
(MHz)
12.8
Ordering Code
NH25M22WD-12.8M-NSA3418A
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
co47_080418_NH25M22WD_e1


Part Number NH25M22WD
Description Oven-Controlled Crystal Oscillator
Manufacturer NIHON DEMPA KOGYO
Total Page 1 Pages
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