TX-508
Temperature Compensated Crystal Oscillator
Low G-Sensitivity
TX-508
Features
Applications
• Vibration Environment
• Portable Equipment
• Land Mobile Radio
• Low G-Sensitivity
• Vibration hardened
• Tight Tolerances
• Low Phase Noise
Performance Specifications2
Frequency Stabilities1 (Standard Frequency range - 10 to 100 MHz)
Parameter
Min
Typical
Max
Units
Condition
vs. operating temperature range
(referenced to +25°C)
-2.5
-1.0
-2.5
-1.0
-1.0
-0.5
+2.5
+1.0
+2.5
+1.0
+1.0
+0.5
ppm
ppm
ppm
ppm
ppm
ppm
-40 to +85°C
-40 to +85°C
-20 to +70°C
-20 to +70°C
-0 to +50°C
-0 to +50°C
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / 1 year
vs. aging / 10 year
-1.5
-0.3
-0.2
-1.0
-2.5
+1.5
+0.3
+0.2
+1.0
+2.5
ppm
ppm
ppm
ppm
ppm
at time of shipment, nominal EFC, 25°C
VS 5ꢀ static
Load 10ꢀ static
after 30 days of operation
after 30 days of operation
Frequency Stabilities1 (Stratum 3 TCXO Frequency range - 10 to 100 MHz)
vs. operating temperature range
(referenced to +25°C)
-0.8
-0.8
-0.28*
-0.28*
+0.8
+0.8
+0.28*
+0.28*
ppm
ppm
ppm
ppm
-40 to +85°C
-20 to +70°C
-20 to +70°C
-0 to +50°C
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / 20 years
overall tolerance
-1.0
-0.3
-0.1
-2.5
-4.6
+1.0
+0.3
+0.1
+2.5
+4.6
ppm
ppm
ppm
ppm
ppm
at time of shipment, nominal EFC, 25°C
VS 5ꢀ static
Load 10ꢀ static
after 30 days of operation
Note:
* Stratum 3 per GR-1244-CORE:
< 4.6 ppm for all causes and
20 Years aging,
Holdover: < 0.37 ppm over 24 hours
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Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
VECTRON [ Vectron International, Inc ]
