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PDF NH25M22WB Data sheet ( Hoja de datos )
| Número de pieza | NH25M22WB | |
| Descripción | Oven-Controlled Crystal Oscillator | |
| Fabricantes | NIHON DEMPA KOGYO | |
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Crystal Oscillator
Model Name NH25M22WB 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
NH25M22WB
Standard nominal frequency (MHz)
19.2
Power supply voltage
DC +3.3V
Power consumption
2.7 W max. at the start and 1.4 W max. when stable (+25°C)
Output level
HCMOS (VOL : 0.4V max., VOH : 2.4V min.)
Load
10kΩ//30pF
Duty Cycle (1/2Vcc)
45 to 55%
Operating temperature range
−10 to +70°C
Aging
Based on frequency after 30 days operation
Based on frequency after 30 days operation
±2×10−9/day max.
±100×10−9/year max.
Frequency / temperature characteristic −10 to +70°C
±20×10−9 max.
Power supply variation characteristics DC +3.3V±5%
±5×10−9 max.
Frequency control characteristic 0 to +2.8 V, positive polarity
±1.0×10−6 min.
n Reference Value
Phase noise (@19.2MHz)
The value of phase noise changes when the frequency changes.
Offset frequency
1 Hz
10 Hz
100 Hz
1k Hz
10k Hz
dBc/Hz
−70 max.
−100 max.
−120 max.
−135 max.
−135 max.
n Dimensions
n List of Options
17.8±0.1
7.62±0.1
PIN Connections
#1 VCONT
#2 VREF
#3 VCC
#4 OUTPUT
#5 ALARM
#6 NC
#7 GND
2.5
22±0.2
#1 #2 #3
#7 #6 #5 #4
Tolerance ±0.2mm
Power supply voltage
Nominal frequency (MHz)
DC +5V
10 to 20
For details of options, please feel free to contact
our sales representatives.
n List of Ordering Codes
Frequency
(MHz)
19.2
Ordering Code
NH25M22WB-19.2M-NSA3420A
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
co45_080418_NH25M22WB_e1
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| PDF Descargar | [ Datasheet NH25M22WB.PDF ] | |
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