Oven-Controlled Crystal Oscillator
Description
Crystal Oscillator
Model Name NH26M26LA
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Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment
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 Excellent rise characteristics.
l Excellent phase noise characteristics.
l Excellent aging characteristics.
n Specifications
Measurement condition Standard nominal frequency (MHz) Power supply voltage Power consumption Output level Load Duty Cycle (1/2Vcc) Operating temperature range Frequency stability Frequency warm-up characteristic +25°C five minutes after power is on Aging Based on frequency after 72 hours operation Based on frequency after 72 hours operation Frequency / temperature characteristic 0 to +70°C Power supply variation characteristics DC +3.
3V±5% Frequency control characteristic 0 to +2.
8V Item Model NH26M26LA
10 DC +3.
3V 2.
5 W max.
at the start and 1.
3 W max.
when stable (+25°C) HCMOS (VOL : 0.
4V max.
, VOH : 2.
4V min.
) 1kΩ//5pF 40 to 60% 0 to +70°C ±500×10−9 max.
±10×10−9/day max.
±500×10−9/year max.
±100×10−9 max.
±20×10−9 max.
±2.
0×10−6 min.
n Reference Value
Offset frequency
1 Hz 10 Hz 100 Hz 1k Hz 10k Hz
dBc/Hz
−65 max.
−95 max.
−120 max.
−125 max.
−130 max.
Phase noise (@10MHz)
The value of phase noise changes when the frequency changes.
n Dimensions
PIN Connections
#1 #2 #3 #4 #5 OUTPUT GND VCONT NC VCC
n List of Options
Power supply voltage Nominal frequency (MHz) DC +5.
0V 10 to 20
26max
For details of options, please feel free to contact our sales representatives.
#1 26max
#2
Terminal number is not printed
#3
n List of Ordering Codes
19.
05 12.
1 STAND OFF (GRASS) 11max 4POINT
Frequency (MHz) 10
Ordering Code NH26M26LA-10M-NSA3424A
#5
18.
4 19.
05
#4 Tolerance ±0.
5mm
4.
5min 5-Φ0.
5±0.
1
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available.
Feel free to contact our sales represent...
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