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零件编号 | NH25M22WE | ||
描述 | Oven-Controlled Crystal Oscillator | ||
制造商 | NIHON DEMPA KOGYO | ||
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1 Page
Crystal Oscillator
Model Name NH25M22WE Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment
www.DataSheet4U.com
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
NH25M22WE
Standard nominal frequency (MHz)
19.44
Power supply voltage
DC +3.3V
Power consumption
2.4 W max. at the start and 1.2 W max. when stable (+25°C)
Output level
HCMOS (VOL : 0.4V max., VOH : 2.4V 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
±100×10−9 max.
Power supply variation characteristics DC +3.3V±5%
±20×10−9 max.
Frequency control characteristic 0 to +2.8 V, positive polarity
±2.0×10−6 min.
n Reference Value
Phase noise (@19.44MHz)
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
−65 max.
−95 max.
−120 max.
−125 max.
−130 max.
n List of Options
8.9±0.1 8.9±0.1
22
PIN Connections
#1 VCONT
#2 NC
#3 VCC
#4 OUTPUT
#5 GND
2.5
#1 #2 #3
#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)
19.44
Ordering Code
NH25M22WE-19.44M-NSA3417A
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
co48_080418_NH25M22WE_e1
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页数 | 1 页 | ||
下载 | [ NH25M22WE.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
NH25M22WA | Oven-Controlled Crystal Oscillator | NIHON DEMPA KOGYO |
NH25M22WB | Oven-Controlled Crystal Oscillator | NIHON DEMPA KOGYO |
NH25M22WC | Oven-Controlled Crystal Oscillator | NIHON DEMPA KOGYO |
NH25M22WD | Oven-Controlled Crystal Oscillator | NIHON DEMPA KOGYO |
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