75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
1
Features
• Frequency range of 10MHz to 40MHz
• Excellent Frequency Stability
• Low Phase noise
• Wide range of pullability options
• Low power consumption
Parameter Symbol Condition Min Typ Max Unit Note
Frequency
Range F
10
26 40
40 MHz 5V
3V
Frequency
Stability ∆F/F
Vs. Operating Temperature
B: 0°C to +70°C
G: -40°C to +85°C
0.5
2.5
ppm
Vs. Supply Voltage
Vs. Aging / Year
±
0.2
± 1 ppm/V
ppm
Operating
Temperature
Range T 0°
-40° +70°
+85° °C Order Code B
Order Code G
Output Clipped Sine 0.8Vp-p minimum
Load 10KΩ//10pF
Supply
Voltage Vcc External 150pF decoupling
capacitor recommended
4.75
3.15
5.00
3.30
5.25
3.45 V Order Code D
Order Code E
Voltage
Control Vc 0.5
0.5 4.5
2.5 V
Input
Impedance 1M Ω
Pullability ppm
See Ordering
Information
Deviation
slope Monotonic positive
Linearity -10 +10 ppm/V
Modulation
BW 10 KHz 3dB BW
SSB Phase
Noise @100 Hz
@ 1 KHz
@10 KHz
-115
-135
-150
dBc/Hz Fo=13MHz
Start up 2 ms
VFTX302
TCXO with Voltage Control Option
5x7mm SMD
Clipped Sine Wave
Applications
• Portable equipment
• Telecommunications
• Data acquisition
RoHS Status
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com
2
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
APR
Code Specification
T TCXO
A ±5ppm
B ±8ppm
C ±10ppm
Freq. Vs Temp Availability
Temp (°C) A: 0.5ppm B: 1.0ppm
0°C to +50°C ♦ ♦
-10°C to +60°C o ♦
-20°C to +70°C o ♦
-40°C to +85°C o ♦
o case by case
♦ available
PIN Specification
1 Vc or GND
2 GND
3 Output
4 Vcc
How to Order
RevD_0508
VFTX302
TCXO with Voltage Control Option
5x7mm Surface Mount
,
Cli
pp
ed Sine Wave
Vcc
Code Specification
E 3.3V
D 5.0V
V
FTX302 FREQUENCY
,
MHz
