75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
RevB0307
1
Vcc
Code Specification
F 3.0V
D 5.0V
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
Stability
Code Specification
L ±0.5ppm
K ±1.0ppm
J ±1.5ppm
H ±2.0ppm
G ±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
Pulling
Code Specification
T TCXO
A ±5ppm
B ±8ppm
C ±10ppm
D ±12ppm
E ±15ppm
F ±18ppm
G ±20ppm
Freq. Vs Temp Availability
Temp (°C) L: 0.5ppm K: 1.0ppm J: 1.5ppm H: 2.0ppm G: 2.5ppm
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 o ♦ ♦ ♦ ♦
o case by case
♦ available
PIN
#1 Vc or GND
#2 GND
#3 Output
#4 Vcc
VFTX300
TCXO with Voltage Control Option
3.2x2.5mm Surface Mount
,
Cli
pp
ed Sine
Applications
• Optical Networking,
SONET/SDH
• 10 Gbit Ethernet
• Frequency Translation
SMD Reflow Profile
0
50
100
150
200
250
0 20 40 60 80 100 120 140 160
Time, s
Temperature, °C
How to Order
V
FTX300 FREQUENCY
,
MHz
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com RevB0307
2
Absolute Maximum Ratings
Input Break
Down Voltage Vcc -0.5 7.0 V
Storage temp. Ts -55 125 ° C
Contr. Voltage Vc -1 9 V
Electrical
Frequency
range F 10 40 MHz
Input Voltage Vcc 4.75
2.8
5.00
3.0
5.25
3.3
V
Min. frequency 26MHz
Input Current Icc 50 Ohm Load 2.5 mA
Frequency
Stability ΔF/F vs. Temperature
vs. Vcc
aging
0.5
±5
±0.2
±1
ppm
ppm/V
ppm/year
Refer selection table
Output Clipped Sine, 0.8Vp-p minimum
Load 10KΩ//10pF
Start up time Ts 2 10 ms
SSB Phase
Noise @100 Hz
@1 KHz
@10 KHz
-115
-135
-150
dBc/Hz Fo=13MHz
Input
Impedance 10 MΩ
Control
voltage Vc 0.5
0.5
4.55
2.5
V 5Vcc
3Vcc
Environmental and Mechanical
Operating temp.
range -20°C to 70°C (-40°C to 85°C available) refer to selection table
Mechanical Shock Per MIL-STD-202, Method 213, Cond. E
Thermal Shock Per MIL-STD-883, Method 1011, Cond. A
Vibration Per MIL-STD-883, Method 2007, Cond. A
Soldering
Conditions 230°C for 90s Max
Hermetic Seal Leak rate less than 5x10-8 atm.cc/s of helium (crystal only)
Electrical Connections
Pin Out Pin #1- Voltage Control or GND Pin #2 - GND
Pin #3 – Output Pin #4 - Vcc
Specifications
Parameter Symb Condition Min Typ Max Unit Note
VFTX300
TCXO with Voltage Control Option
3.2x2.5mm SMD
Cli
pp
ed Sine Wave
