VFTX300
TCXO with Voltage Control Option
3.2x2.5mm Surface Mount,
Clipped Sine
Features
Frequency range of 10MHz to 40MHz
Very Low Phase Noise
Excellent Frequency Stability
Clipped Sine Wave Output
Low Aging, Vacuum sealed Crystal
Available as a VCXO
Applications
Optical Networking,
SONET/SDH
10 Gbit Ethernet
Frequency Translation
Electrical Specifications
Parameter
Frequency
Range
Frequency
Stability
Operating
Temperature
Range
Output
Load
Supply
Voltage
Supply
Current
Voltage
Control
Input
Impedance
Pullability
SSB Phase
Noise
Start up
@100 Hz
@ 1 KHz
@10 KHz
-115
-135
-148
2
Symbol
F
Vs. Operating
Temperature
Vs. Supply Voltage
Vs. Aging / Year
T
Clipped Sine
10KΩ//10pF
Vcc
Icc
Vc
0.5
500
1.5
2.85
2.35
3.0
2.5
3.15
2.625
2.0
2.5
V
mA
V
KΩ
ppm
dBc/Hz
10
ms
See “How to
Order”
Fo=13MHz
Order Code F
Order Code G
-40
0.2
1
+85
Condition
Min
10
Typ
Max
40
Unit
MHz
ppm
ppm/V
ppm
C
Order Code G
See “How to
Order”
See “How to
Order”
Note
∆F/F
0.8Vp-p minimum
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevE0511
1
VFTX300
TCXO with Voltage Control Option
3.2x2.5mm Surface Mount,
Clipped Sine
Absolute Maximum Ratings
Parameter
Supply Break
Down Voltage
Storage
Temperature
Control
Voltage
Symbol
Vcc
Ts
Vc
Condition
Min
-0.6
-55
-0.6
Typ
Max
6.0
+125
Vcc +0.6
Unit
V
C
V
Note
Environmental and Mechanical
Parameter
Mechanical Shock
Thermal Shock
Vibration
Soldering Conditions
Hermetic Seal
Specification
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-883, Method 1011, Condition A
Per MIL-STD-883, Method 2007, Condition A
230C for 90s max
Leak rate less than 5x10
-8
atm.cc/s of helium (crystal only)
SMD Reflow Profile
250
Temperature, °C
200
150
100
50
0
0
20
40
60
80
100
120
140
160
Time, s
PIN
#1
#2
#3
#4
Vc or GND
GND
Output
Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevE0511
2
VFTX300
TCXO with Voltage Control Option
3.2x2.5mm Surface Mount,
Clipped Sine
How to Order
VFTX300
Code
L
K
J
H
G
Stability
Specification
±0.5ppm
±1.0ppm
±1.5ppm
±2.0ppm
±2.5ppm
Temperature Range
Code
Specification
A
0°C to 50°C
C
-10°C to +60°C
D
-20°C to 70°C
F
-30°C to +85°C
G
-40°C to 85°C
L: 0.5ppm
♦
♦
♦
o
Freq. Vs Temp Availability
K: 1.0ppm
J: 1.5ppm
♦
♦
♦
♦
♦
♦
♦
♦
o
♦
o case by case
♦
available
FREQUENCY, MHz
Code
F
G
Vcc
Specification
3.0V
2.5V
Pullability
Code Specification
T
TCXO
A
±5ppm
B
±8ppm
C
±10ppm
D
±12ppm
Temp (°C)
0°C to +50°C
-10°C to +60°C
-20°C to +70°C
-30°C to +85°C
-40°C to +85°C
H: 2.0ppm
♦
♦
♦
♦
♦
G: 2.5ppm
♦
♦
♦
♦
♦
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevE0511
3
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