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TX-508
Temperature Compensated Crystal Oscillator Low G-Sensitivity
TX-508
Features
* * * * Low G-Sensitivity Vibration hardened Tight Tolerances Low Phase Noise
Applications
* Vibration Environment * Portable Equipment * Land Mobile Radio
Performance Specifications2
Frequency Stabilities1 (Standard Frequency range - 10 to 100 MHz) Parameter
vs. operating temperature range (referenced to +25C)
Min
-2.5 -1.0 -2.5 -1.0 -1.0 -0.5 -1.5 -0.3 -0.2 -1.0 -2.5 -0.8 -0.8 -0.28 -0.28 -1.0 -0.3 -0.1 -2.5 -4.6
Typical
Max
+2.5 +1.0 +2.5 +1.0 +1.0 +0.5 +1.5 +0.3 +0.2 +1.0 +2.5 +0.8 +0.8 +0.28 +0.28 +1.0 +0.3 +0.1 +2.5 +4.6
Units
ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm
Condition
-40 to +85C -40 to +85C -20 to +70C -20 to +70C -0 to +50C -0 to +50C Options4 Options4
Initial tolerance vs. supply voltage change vs. load change vs. aging / 1 year vs. aging / 10 year vs. operating temperature range (referenced to +25C)
at time of shipment, nominal EFC, 25C VS 5% static Load 10% static after 30 days of operation after 30 days of operation -40 to +85C -20 to +70C -20 to +70C -0 to +50C
Frequency Stabilities1 (Stratum 3 TCXO Frequency range - 10 to 100 MHz)
Initial tolerance vs. supply voltage change vs. load change vs. aging / 20 years overall tolerance
at time of shipment, nominal EFC, 25C VS 5% static Load 10% 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
Page 1 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Performance Specifications2
Supply Voltage (Vs) Parameter
Supply voltage (standard) Current consumption Supply voltage Current consumption
Signal [standard] Load Signal Level (Vol) LVCMOS Signal Level (Voh) LVCMOS Signal Level (Vol) HCMOS Signal Level (Voh) HCMOS Duty Cycle Rise and Fall time 4.5 40 60 5 % ns 3.0 0.5 13.5
Min
3.135 4.75
Typical
3.3 5.0
Max
3.465 30 5.25 40
Units
VDC mA VDC mA
Condition
Option4
@ 10 MHz LVCMOS 3.3 V @ 100 MHz LVCMOS 3.3 V
@LVCMOS @HCMOS
RF Output
LVCMOS/HCMOS 15 16.5 0.3 pF VDC VDC VDC @ Vs=3.3V and 15pF Load @ Vs=3.3V and 15pF Load @ Vs=5.0V and 15pF Load @ Vs=5.0V and 15pF Load @ (Voh-Vol)/2 @15 pF 10 to 90 %
Frequency Control (EFC)
5.0 8.0 12 14 <10% Positive 0.3 0.5 1.65 2.5 10 3.0 4.5 VDC VDC kOhm @ Vs=3.3V @ Vs=5.0V 20 20 ppm ppm S3 Version Standard Version
Tuning Range Linearity Tuning Slope Control Voltage Range Control Voltage Range Frequency control input impedance
Additional Parameters
-95 -123 -143 -152 -155 1.14 -74 -103 -134 -152 -160 0.073 8.0 Handling & Processing Note dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz ps RMS dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz ps RMS g 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz @ 12 kHz to 20 MHz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz @ 12 kHz to 20 MHz
Phase Noise3
Jitter
Phase Noise3
Jitter Weight Processing & Packing
Additional Environmental Conditions
Random Vibration MIL-STD-202G; Method 214A; Condition II-J 1g2/Hz / 43.92 grms guaranteed (Qualification testing performed at MIL-STD-202G; Method 214A; Condition II-K, 1.5g2/Hz / 53.79 grms) Test Condition B 50 g (Qualification testing performed at MIL-STD-883; Method 2007; Test Condition C 70) 1000 g / 0.5 ms higher values on request
Sine Vibration
MIL-STD-883; Method 2007
Shock
MIL-STD-202G; Method 213B; Condition E
Absolute Maximum Ratings
supply voltage (Vs) Output Load Operable Temperature Range Storage Temperature Range -40 -55 6.0 50 +85 +105 V pF C C
Page 2 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Option4
Tuning Range
Fixed TCXO; No adjust
Outline Drawing / Enclosure
TX-508
Height "H" 6.2 Pin Length "L" NA
Pin Connections
1 2 3 4 5 6 7 8 9 10 N/C NC / Control Voltage Input (Vc) N/C / Enable (optional) Ground (Case) NC NC RF-Output NC Supply Voltage (Vs) NC
Enable true table (optional)
Pin 3 High Open Low Dimensions in mm Pin 7 Data Data High Tristate
Typical Phase Noise @ 100 MHz HCMOS
Typical Phasenoise: TX-508 @ 100MHz
-60 -70 -80 -90
Phase Noise [dBc/Hz]
-100 -110 -120 -130 -140 -150 -160 -170 10 100 1000 10000 100000 1000000 Offset Frequency [Hz]
Page 3 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Typical G-Sensitivity @10 MHz; HCMOS
G-Sensitivity: TX-508; 10 MHz; 0,06g2/Hz 1,00 0,90 0,80
G-Sensitivity [ppb/g]
Vibration spectrum
0,1
X-Axis Y-Axis Z-Axis Total
PSD [g /Hz]
0,70 0,60 0,50 0,40 0,30 0,20 0,10 0,00 10 100 Frequency [Hz] 1.000
0,01
2
0,001
0,0001
10.000
10
100 Frequency [Hz]
1.000
10.000
Phase noise: TX-508; 10 MHz; 0,06g2/Hz -50 -60 -70
Phase Noise [dBc/Hz]
Calculation equation according to Vig-Tutorial
g-sensitivity:
X-Axis Y-Axis Z-Axis
Peak g-level:
2 fv G= 10 Apeak f 0
L ( fv ) 20
-80 -90 -100 -110 -120 -130 -140 10 100 Offset Frequency [Hz] 1.000 10.000
Apeak = PSD 2
Oscillator
Z
Y
X
Page 4 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Standard Shipping Method (TX-508)
Lage im Gurt Position in tape Pin 1
A X B K P
*bei W 24 mm nur untere Lochreihe by W 24 mm only lower hole line
Abwickelrichtung Unwinding direction
Gurtunterseite Tape buttom side Gurtoberseite Tape upper side
Enclosure Type G301
Tape Width W (mm) 24
Quantity per meter 83,3
Quantity per reel 850
Dimension P 12
Recommended Reflow Profile
Profile Feature Average ramp-up rate (TL to TP) Preheat -Temperature Min TSmin -Temperature Min TSmax -Time (min to max) tS
Pb-Free Assembly/ Sn-Pb Assembly 3C/second max. 150C 200C 60-180 seconds 3C/second max 217C 60-150 seconds max 260C
Profile Feature Time 25C to Peak Temperature Time maintained above -Temperature (TL) -Time (tL)
Pb-Free Assembly/ Sn-Pb Assembly 8 minutes max. 217C 60-150 seconds
TSmax to TL -Ramp-up Rate Time maintained above -Temperature (TL) -Time (tL) Peak Temperature (TP)
Time within 5C of actual Peak Temperature (tP) Ramp-down Rate
20-40 seconds 6C/ second max
Note: All temperatures refer to topside of the package, measured on the package body surface.
Page 5 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Ordering Information
TX - 508
Product Family TX: TCXO
0 - E A E - 256 0 - 10M0000000
Frequency
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 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: 0C to +50C J: -20C to +70C H: -30C to +85C E: -40C to +85C
Frequency Control 0: EFC 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 (25C). 3. Phase noise degrades with increasing output frequency. 4. Contact factory for availability.
Subject to technical modification.
For Additional Information, Please Contact
USA:
Vectron International 267 Lowell Road Hudson, NH 03051 Tel: 1.888.328.7661 Fax: 1.888.329.8328
Europe:
Vectron International Landstrasse, D-74924 Neckarbischofsheim, Germany Tel: +49 (0) 7268.801.100 Fax: +49 (0) 7268.801.282
Asia:
Vectron International 1589 Century Avenue, the 19th Floor Chamtime International Financial Center Shanghai, China Tel: 86.21.6081.2888 Fax: 86.21.6163.3598
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: 10/2010 Page 6 of 6 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com

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