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 Specifications
2
Frequency Stabilities
1
(Standard Frequency range - 10 to 100 MHz)
Parameter
vs. operating temperature range
(referenced to +25°C)
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 +85°C
-40 to +85°C
-20 to +70°C
-20 to +70°C
-0 to +50°C
-0 to +50°C
Options
4
Options
4
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / 1 year
vs. aging / 10 year
vs. operating temperature range
(referenced to +25°C)
at time of shipment, nominal EFC, 25°C
V
S
±5% static
Load ±10% static
after 30 days of operation
after 30 days of operation
-40 to +85°C
-20 to +70°C
-20 to +70°C
-0 to +50°C
Frequency Stabilities
1
(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, 25°C
V
S
±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 Specifications
2
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
Option
4
@ 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 Noise
3
Jitter
Phase Noise
3
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
Option
4
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
⋅
f
v
G
=
⋅
10
Apeak
⋅
f
0
L
(
fv
)
20
-80
-90
-100
-110
-120
-130
-140
10
100
Offset Frequency [Hz]
1.000
10.000
A
peak
=
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 (T
L
to T
P
)
Preheat
-Temperature Min T
Smin
-Temperature Min T
Smax
-Time (min to max) t
S
Pb-Free Assembly/
Sn-Pb Assembly
3°C/second max.
150°C
200°C
60-180 seconds
3°C/second max
217°C
60-150 seconds
max 260°C
Profile Feature
Time 25°C to Peak Temperature
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Pb-Free Assembly/
Sn-Pb Assembly
8 minutes max.
217°C
60-150 seconds
TSmax to TL -Ramp-up Rate
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Peak Temperature (T
P
)
Time within 5°C of actual Peak
Temperature (t
P
)
Ramp-down Rate
20-40 seconds
6°C/ 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
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