OX-220 / OX 221
Oven Controlled Crystal Oscillator
OX-220
Features
• Reflow Process Compatible
Applications
• Base stations
• Surface Mount package
• AT-CUT and SC_CUT Crystal Options
• Low Profile Compact Package
• Test equipment
• Synthesizers
• Military communication equipment
• Digital Switching
Performance Specifications
Frequency Stabilities1 (AT-Cut Crystal-10 to 160 MHz - )
Parameter
Min
Typical
Max
Units
Condition
vs. operating temperature range
(referenced to +25°C)
-100
-200
-250
+100
+200
+250
ppb
ppb
ppb
-20 to +70°C
-20 to +70°C
-40 to +85°C
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / day
vs. aging / year
vs. aging / year
-0.5
-10
-10
-5
-300
-500
+0.5
+10
+10
+5
+300
+500
ppm
ppb
ppb
ppb
ppb
ppb
at time of shipment, nominal EFC
VS 5ꢀ static
Load 5ꢀ static
after 30 days of operation
≤ 60 MHz after 30 days of operation
≥ 60 MHz after 30 days of operation
Warm-up time
5
minutes
to 100ppb of final frequency (1 hour
reading) @ +25°C
Frequency Stabilities1 (SC-Cut Crystal-Option - 15 to 100 MHz)
vs. operating temperature range
(referenced to +25°C)
-5
+ 5
+10
+20
+20
ppb
ppb
ppb
ppb
0 to 50 °C
-20 to +70°C
-20 to +70°C
-40 to +85°C
-10
-20
-20
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / day
vs. aging / year
vs. aging / year (following years)
vs. aging / year (5MHz; OX- 221)
-0.2
-5
-5
+0.2
+5
+5
ppm
ppb
ppb
ppb
ppb
ppb
ppb
at time of shipment, nominal EFC
VS 5ꢀ static
Load 5ꢀ static
-1
+1
after 30 days of operation
after 30 days of operation
after 30 days of operation
after 30 days of operation
-100
-80
-15
+100
+80
+15
Warm-up time
5
minutes
to 100ppb of final frequency (1 hour
reading) @ +25°C
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Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com