VFTCE
OCXO Ultra Low Noise
35.4 x 26.7 mm SMD, HCMOS / SINE
Features
4.8MHz to 180MHz Frequency Range
Low Phase Noise: -160 dBc/Hz @ 10KHz
Sine Wave or HCMOS/TTL output
RoHS Status
Applications
Telecommunication Systems
Data Communications
GPS
Instrumentation
Not recommended for new designs. Please see VFOV100 and VFOV200.
Electrical Specifications
Parameter
Frequency
Range
Sym
bol
F
Condition
Min
4.8
Typ
Max
180
Unit
MHz
Note
Frequency
Stability
∆F/F
Vs. Operating Temperature
A: 0°C to +50°C
B: -10°C to +60°C
C: 0°C to +70°C
D: -20°C to +70°C
E: -30°C to +70°C
F: -40°C to +85°C
Vs. Supply Voltage
Vs. Aging / Day
Vs. Aging / Year
0°
-10°
0°
-20°
-30°
-40°
.1s to 10s
10Hz
100Hz
10KHz
After 30 min.
worst direction
±
5
±
5
±
5
±
10
±
20
±
50
1
0.5
100
+50°
+60°
+70°
+70°
+70°
+80°
1E-11
-120
-150
-160
±20
±1.0
5
ppb
See “How to
Order” Chart
ppb/V
ppb
ppb
after 30 days
50ppb available
Operating
Temperature
Range
Allan Variance
SSB Phase
Noise
Retrace
G-sensitivity
T
°C
dBc/Hz
ppb
ppb/G
Deteriorates by
20LogN for
higher freq.
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB1208
1
VFTCE
OCXO Ultra Low Noise
35.4 x 26.7 mm SMD, HCMOS / SINE
Electrical Specifications
Parameter
Output
Waveform/Load
Power
Consumption
Symbol
P
Condition
Sine
HCMOS/TTL
steady state, 25°C
steady state, -30°C
start-up @ -30°C
11.4
4.75
3.14
to 0.1ppm accuracy
0
from nominal F
Monotonic, Positive
Vc0
25°C
1.0
±0.5
±1
0.4
2.0
3.0
Min
Typ
Max
50 Ohm
10KOhm / 15pF
0.8
1
1.5
2.5
12.0
12.6
5.0
5.25
3.3
3.47
2
3
4.0
Unit
W
Note
Order Code S
Order Code T
Supply Voltage
Warm up time
Control Voltage
Pull Range
Deviation slope
Setability
Vcc
τ
Vc
V
min
V
ppm
ppm/V
V
At 10MHz
How to Order
VFTCE
Temperature Range
Code
A
B
C
D
E
F
Specification
0°C to 50°C
-10°C to 60°C
0°C to 70°C
-20°C to 70°C
-30°C to 70°C
-40°C to 85°C
FREQUENCY, MHz
Temperature Stability
Code
17
58
28
18
59
Specification
-7
1x10
-8
5x10
-8
2x10
-8
1x10
-9
5x10
Aging
Code
L
S
P
Specification
1X10-9/Day
5X10-10/Day
2X10-10/Day
Supply Voltage
Code
5
2
3
Specification
5V ± 5%
12V ± 5%
3.3V± 5%
Output
Code
T
S
Specification
TTL
Sinewave
Note: Not all combinations are available. Please consult the factory.
Available Frequency Stabilities over Operating
Code
A
B
C
D
E
F
Temperature Range
0°C to 50°C
-10°C to 60°C
0°C to 70°C
-20°C to 70°C
-30°C to 70°C
-40°C to 85°C
1x10
-7
∗
∗
∗
∗
∗
∗
5x10
-8
∗
∗
∗
∗
∗
∗
2x10
-
8
∗
∗
∗
∗
∗
1x10
-8
∗
∗
∗
∗
5x10
-9
∗
∗
∗
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB1208
2
VFTCE
OCXO Ultra Low Noise
35.4 x 26.7 mm SMD, HCMOS / SINE
Absolute Maximum Ratings
Parameter
Supply Break
Down Voltage
Storage
Temperature
Control Voltage
Symbol
Vcc
Ts
Vc
Condition
Min
-0.5
-40
-1
Typ
Max
+13
+85
9
Unit
V
°C
V
Note
Environmental and Mechanical
Parameter
Mechanical Shock
Vibration
Soldering Conditions
Specification
Per MIL-STD-202, 30G, 11ms
Per MIL-STD-202, 5G to 2000Hz
230°C for 30s max SMD profile
Pin #
1
2
3
4
5
Connections
Vc
Vref
Vcc
Output
GND
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB1208
3
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