OX-046
VHF low g-Sensitivity
Oven Controlled Crystal Oscillator
OX-046
Features
• Ultra Low G-Sensitivity
Applications
• Military Avionics
• Low Phase Noise
• Very High Frequency
• Airborne Radar
• Test Equipment
• Frequency Range: 50 MHZ to 250 MHZ
• Standard Frequency: 100 MHz
• Vibration Compensation
• Frequency Synthesizers
• Position Location
• Satellite Communications
Performance Specifications
Parameter
Min
Typ
Max
Units
Condition
Available Frequencies
Frequency Range
50
250
MHz
G-Sensitivity Performance
standard crystal
1.5
0.5
ppb/g
ppb/g
ppb/g
g-Sensitivity w\ Low g-Crystal
g-Sensitivity w\ Low g-Crystal & Vibration
compensation
0.05
Degrades to 0.5 ppb/g above 250 Hz
G sensitivity specified per axis
(No mechanical resonances out to 2KHz)
For oscillators with 0.2 ppb/g out to 2 KHz please contact factory.
Frequency Stabilities1
(Stabilities listed for 100 MHz. For Stabilities above 100 MHz values may degrade. Please contact factory.)
vs. Operating Temperature Range
(referenced to +25°C)
-200
-150
-100
-50
+200
+150
+100
+50
ppb
ppb
ppb
ppb
-40… +85°C
-40… +70°C
-20… +70°C
0… +70°C
Initial Tolerance
vs. Supply Voltage Change
vs. Load Change
-500
-10
-10
-5
-200
-1.5
+500
+10
+10
+5
+200
+1.5
ppb
ppb
ppb
ppb
ppb
ppm
at time of shipment, nominal EFC
Vs 5ꢀ
Load 5ꢀ
vs. Aging / Daily
after 30 days operation
after 30 days operation
after 30 days operation
vs. Aging / 1st Year
vs. Aging / 10 Year
Retrace2
-200
+200
5
ppb
Warm-up Time
minutes
to 100ppb of final frequency
(2 hour reading) @ +25°C