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NH37M28LB

NIHON DEMPA KOGYO
Part Number NH37M28LB
Manufacturer NIHON DEMPA KOGYO
Description Oven-Controlled Crystal Oscillator
Published May 21, 2010
Detailed Description Crystal Oscillator Model Name NH37M28LB n Main Application l Mobile communications base station l Measuring instrument l...
Datasheet PDF File NH37M28LB PDF File

NH37M28LB
NH37M28LB

Overview
Crystal Oscillator Model Name NH37M28LB n Main Application l Mobile communications base station l Measuring instrument l Synthesizer l Exchanger l High-end router Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment n Features l Compact.
l Excellent rise characteristics.
l Excellent phase noise characteristics.
l Excellent aging characteristics.
n Specifications www.
DataSheet4U.
com 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 −10 to +70°C Power supply variation characteristics DC +5V±5% Frequency control characteristic 0 to +5 V, positive polarity Item Model NH37M28LB 10 DC +5V 3 W max.
at the start and 1.
3 W max.
when stable (+25°C) HCMOS (VOL : 0.
5V max.
, VOH : 4.
5V min.
) 50pF 40 to 60% −10 to +70°C ±50×10−9 max.
±2×10−9/day max.
±100×10−9/year max.
±10×10−9 max.
±1×10−9 max.
±1×10−6 min.
n Reference Value Offset frequency 1 Hz 10 Hz 100 Hz 1k Hz 10k Hz dBc/Hz −80 max.
−120 max.
−140 max.
−145 max.
−150 max.
Phase noise (@10MHz) The value of phase noise changes when the frequency changes.
n Dimensions 36 33.
1 PIN Connections #1 #2 #3 #4 #5 VCONT VREF VCC OUTPUT GND n List of Options Operating temperature range Power supply voltage Nominal frequency (MHz) −40 to +70°C DC +3.
3V 10 to 40 For details of options, please feel free to contact our sales representatives.
24.
0 27.
0 Terminal number is not printed #3 0.
65±0.
3 19max #2 STAND OFF (4 POINT) #4 17.
8±0.
3 15.
24±0.
3 n List of Ordering Codes Frequency (MHz) 10 Ordering Code NH37M28LB-10M-NSA3423A 4.
5min 5-φ0.
8 #1 #5 17.
78±0.
3 25.
4±0.
3 Tolerance ±0.
5mm The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are ...


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