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TX-508 Datasheet PDF - Vectron

Part Number TX-508
Description Temperature Compensated Crystal Oscillator
Manufacturers Vectron 
Logo Vectron Logo 

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TX-508 datasheet, circuit
TX-508
Temperature Compensated Crystal Oscillator
Low G-Sensitivity
TX-508
Features
• Low G-Sensitivity
• Vibration hardened
• Tight Tolerances
• Low Phase Noise
• Frequency Range1: 10 - 100 MHz
Applications
• Vibration Environment
• Portable Equipment
• Land Mobile Radio
Performance Specifications2
Parameter
vs. operating temperature range
(referenced to +25°C)
Frequency Stabilities1 (Standard)
Min Typical Max
Units
-1.0 +1.0 ppm
-1.0 +1.0 ppm
-0.5 +0.5 ppm
Condition
-40 to +85°C
-20 to +70°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 ppm at time of shipment, nominal EFC, 25°C
+0.3 ppm
+0.2 ppm
V ±5% static
S
Load ±10% static
+1.0 ppm
after 30 days of operation
+2.5 ppm
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 ppm at time of shipment, nominal EFC, 25°C
+0.3 ppm
+0.1 ppm
V ±5% static
S
Load ±10% static
+2.5 ppm
after 30 days of operation
+4.6 ppm
Note:
* Stratum 3 per GR-1244-CORE:
<±4.6 ppm for all causes and
20 Years aging,
Holdover: <±0.37 ppm over 24 hours
Page 1
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com

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TX-508 equivalent
Standard Shipping Method (TX-508)
A
X
Lage im Gurt
Position in tape
Pin 1
Abwickelrichtung
Unwinding direction
Enclosure Type
G301
B
K
P *bei W ≤ 24 mm nur untere Lochreihe
by W 24 mm only lower hole line
Gurtunterseite
Tape buttom side
Gurtoberseite
Tape upper side
Tape Width W (mm)
24
Quantity per meter
83,3
Quantity per reel
850
Dimension P
12
Ordering Information
TX - 508 0 - E A E - 256 0 - 10M0000000
Product Family
TX: TCXO
Package
Low G-Sensitivity
SMD version: 508
Height
0: 6.2 mm
Supply Voltage
D: 5V
E: 3.3V
RF Output Code
A: LVCMOS / HCMOS
Frequency
Stability Code
256: ±2.5 ppm
106: ±1.0 ppm
807: ±0.8 ppm
507: ±0.5 ppm
287: ±0.28 ppm
Temperature Range
P: 0°C to +50°C
J: -20°C to +70°C
H: -30°C to +85°C
E: -40°C to +85°C
Frequency Control
0: No Tuning
1: ±5.0 to ±20ppm
2: ±8.0 to ±20ppm
Notes:
1. Contact factory for improved stabilities or additional product options. Not all options and codes are available at all
frequencies.
2. Unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency
control voltage, load, temperature (25°C).
3. Phase noise degrades with increasing output frequency.
4. Contact factory for availability.
Subject to technical modification.
For Additional Information, Please Contact
USA:
Europe:
Asia:
Vectron International
Vectron International
Vectron International
267 Lowell Road, Suite 102
Landstrasse, D-74924
68 Yin Cheng Road(C), 22nd Floor
Hudson, NH 03051
Neckarbischofsheim, Germany
One LuJiaZui
Tel: 1.888.328.7661
Tel: +49 (0) 7268.801.100
Pudong, Shanghai 200120, China
Fax: 1.888.329.8328
Fax: +49 (0) 7268.801.282
Tel: +86 21 6194 6886
Fax: +86 21 6194 6699
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 02/2014
Page 5
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com

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Information Total 5 Pages
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