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  • High-Precision OCXO 25MHz | 9.7x7.5mm Temperature Controlled Crystal Oscillator
High-Precision OCXO 25MHz | 9.7x7.5mm Temperature Controlled Crystal Oscillator

High-Precision OCXO 25MHz | 9.7x7.5mm Temperature Controlled Crystal Oscillator

Supply Voltage: 3.3V
Operating Temperature: -40~85℃ Microwave
Temperature stability: ≤±20ppb
Phase Noise: 1KHz: -155dBc/Hz

SHORT DESCRIPTION 

XTALOCXO9775-25M-3.3V-VF-HCMOS is a 3.3V SMD packaged OCXO with a size of 9.7 x 7.5 x3.9 mm. It has a temperature frequency stability of ≤±20ppb in the temperature range of -40~+85℃ and is suitable for various small base stations, microwave transmission systems, test and measurement equipment, and 5G RRH applications. 


FEATURES  

Supply Voltage: 3.3V  

Operating Temperature: -40~85℃  

Temperature stability: ≤±20ppb  

Phase Noise: 1KHz: -155dBc/Hz 


APPLICATIONS

Base Station

Microwave transmission system

Test and measurement equipment

5G RRH


PHASE NOISE

ParameterCondition
Phase Noise
Frequency(MHz)10Hz100Hz1KHz10KHz100KHz
Max.25 -100 -135 -155 -155 -160 
Typ.-105 -140 -160 -160 -165 


ENVIRONMENTAL

ParametersConditionsMin.Typ.Max.Unit
Operating Temperature Range
-40 
85 
StorageTemperature Range
-55 
105 
VibrationTest conditions:Amplitude:0.75mm (5~26HZ);Acceleration:
10g;10Hz~500Hz;30min per cycle,2 hours in each direction
(3 directions,X,Y and Z),IEC 68-2-06 Test Fc.
Shock50g;11ms;half sine wave (3 directions,X,Y and Z),
IEC 68-2-27 TestEa/Severity 50A


INPUT

ParametersConditionsMin.Typ.Max.Unit
Supply Voltage±5%
3.3 
V
Output Load

15 
pF


ELECTRICAL PARAMETERS

ParametersConditionsMin.Typ.Max.Unit
Nominal Frequency

25 
MHz
Frequency AccuracyFactory calibration
value,+25℃
-1 
+1 ppm
Ambient40~+85℃,
f=(fmax+fmin)2
-0.02 
+0.02 ppm
Voltage3.3V±5%-10 
+10 ppb
Load15pF±5%-10 
+10 ppb
AgingDaily-3 
+3 ppb
Year-500 
+500 ppb
Short Term0.1s
0.03 
ppb
Rise/fall Time


ns
Level
 HCMOS
"1"level
2.4 

V
"O"level


0.4 V
Current@turn on

600 mA
Steady Current@25℃

250 mA
Power-on CharacteristicsFrequency deviation after 3 minutes of power on
relative to 1 hour
-0.1 
0.1 ppm


DIMENSION AND PINS   9.7 x 7.5 x 3.9mm

1727062089939823.png


WELDING CURVE

1727062111502219.png


TEST CIRCUIT

1727062130926662.png

 20MHZ OCXO DATASHEET


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