Temperature Compensated Crystal Oscillator
TX-401
TX-401
Features
•
High Frequency
•
Low Phase Noise
•
Low power consumption
•
Output: True Sinewave
•
Tight Tolerances
•
Frequency range
1
of 250 - 700 MHz
•
Standard Frequencies : 256; 400; 500; 502 MHz
Applications
•
Test & Measurement
•
Communication Equipment
•
Industrial
•
Military
Performance Specifications
Frequency Stabilities
1
Parameter
vs. operating temperature range
(referenced to +25°C)
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging 10 years
Min
-2
-1
-1
-2
-0.8
-0.2
-4
Typical
Max
+2
+1
+1
+2
+0.8
+0.2
+4
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
Condition
Options
3
-40 to +85°C
-40 to +85°C
-20 to +70°C
at time of shipment, nominal EFC
V
S
±5% static
Load ±10% static
after 30 days of operation
Page 1 of 6
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Performance Specifications
Supply Voltage (Vs)
Parameter
Supply voltage (standard)
Supply voltage (Option)
Current consumption
Min
3.135
4.75
Typical
3.3
5
Max
3.465
5.25
75
50
Units
VDC
VDC
mA
mA
Condition
@ 3.3V
@ 5V
RF Output
Signal [Option]
Load
Output power
Harmonics
Subharmonics
Tuning Range
Tuning Range
Linearity
Tuning Slope
Control Input Impedance
Control Voltage Range
10
0.3
0.5
1.65
2.5
-54
-90
-122
-140
-147
-150
-160
0.1
2.0
Handling & Processing Note
3.0
4.5
±5
<10%
Positive
kOhm
VDC
Vs=3.3V
Vs=5V
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
@ 12 kHz to 20 MHz
45
0
True Sinewave
50
3
55
6
-25
-40
Fixed TCXO; No adjust
±18
ppm
Ohm
dBm
dBc
dBc
Opti-
on
5
@ 500MHz
Sinewave
5V
Frequency Tuning (EFC)
Additional Parameters
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ps RMS
g
Phase Noise
2
Jitter
Weight
Processing & Packing
Page 2 of 6
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Absolute Maximum Ratings
supply voltage (Vs)
Operable Temperature Range
Storage Temperature Range
-40
-40
6.0
+85
+105
V
°C
°C
Typical Performance
Phase Noise
TX-401 @ 500MHz Sinewave
Page 3 of 6
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Outline Drawing / Enclosure
TX-401
Type
G194
Height “H”
5.9
Pin Connections
1
2
6
7
8
9
13
14
Control Voltage Input (Vc) / N.C.
N.C.
GND (Case)
GND (Case)
RF-Output
GND (Case)
N.C.
Supply Voltage Input (Vs)
Page 4 of 6
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Standard Shipping Method (TX-401)
Enclosure Type
G194
Tape Width W (mm)
32
Quantity per meter
Quantity per reel
500
Dimension P
20
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.
SMD oscillators must be on the top side of the PCB during the reflow process.
Page 5 of 6
Vectron International • 267 Lowell Road, Suite 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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