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
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
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
D
-20°C to 70°C
G
-40°C to 85°C
FREQUENCY, MHz
Code
E
D
Vcc
Specification
3.0V
5.0V
Freq. Vs Temp Availability
Temp (°C)
A: 0.5ppm B: 1.0ppm
-20 ~ +70
o
♦
-40 ~ +85
♦
o case by case
♦Available
Code
T
A
B
C
D
E
F
G
Pulling
Specification
TCXO
±5ppm
±8ppm
±10ppm
±12ppm
±15ppm
±18ppm
±20ppm
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
1
VFTX300
TCXO with Voltage Control Option
3.2x2.5mm Surface Mount,
Clipped Sine Wave
Specifications
Parameter
Symb
Vcc
Input Break
Down Voltage
Ts
Storage temp.
Contr. Voltage
Vc
Condition
Min
Typ
Max
Unit
Note
Absolute Maximum Ratings
-0.5
-55
-1
7.0
125
9
V
°C
V
Electrical
Frequency
range
Input Voltage
F
Vcc
10
4.75
2.8
5.00
3.0
40
5.25
3.3
2.5
±5
±0.2
±1
MHz
V
Min. frequency 26MHz
mA
ppm
ppm/V
ppm/year
Refer selection table
Input Current
Icc
Frequency
∆F/F
Stability
Output
Load
Start up time
SSB Phase
Noise
Input
Impedance
Control
voltage
Ts
50 Ohm Load
vs. Temperature
0.5
vs. Vcc
aging
Clipped Sine, 0.8Vp-p minimum
10KΩ//10pF
2
@100 Hz
-115
@1 KHz
-135
@10 KHz
-150
10
0.5
0.5
10
ms
dBc/Hz
Fo=13MHz
MΩ
Vc
4.55
2.5
V
5Vcc
3Vcc
Environmental and Mechanical
Operating temp.
range
Mechanical Shock
Thermal Shock
Vibration
Soldering
Conditions
Hermetic Seal
-20°C to 70°C (-40°C to 85°C available) refer selection table,.
Per MIL-STD-202, Method 213, Cond. E
Per MIL-STD-883, Method 1011, Cond. A
Per MIL-STD-883, Method 2007, Cond. A
230°C for 90s Max
Leak rate less than 5x10-8 atm.cc/s of helium (crystal only)
Electrical Connections
Pin Out
Pin #1- Voltage Control or GND
Pin #3 – Output
Pin #2 - GND
Pin #4 - Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
2
