VFOV302
OCXO – STRATUM 2 Compliant
HCMOS / SINE WAVE
Features
Standard frequencies: 10MHz, 12.8MHz
± 0.1 ppb frequency stability over temperature
Ultra low jitter and phase noise
RoHS Status
Applications
Telecommunication Systems
Rubidium Standard Replacement
Data Communications
Stratum II Clocking Systems
Electrical Specifications
Parameter
Frequency
Range
Symbol
F
NOM
Vs. Operating temperature
A: 0°C to +50°C
Frequency
Stability
∆F/F
Vs. Supply voltage
Vs. Aging / Day
Vs. Aging / Year
After 20 years
Temperature
Range
Supply
Voltage
Power
Consumption
Output
Load
Duty Cycle
Sub-
Harmonics
SSB Phase
Noise
T
V
CC
P
Steady state @ 25°C
Steady state @ -30°C
Start-up @ -30°C
HCMOS V
H
/ V
L
Sine
50 Ohms (Sinewave),
10kOhms / 15pF (HCMOS)
HCMOS
< 30MHz
> 30MHz
1Hz
10Hz
100Hz
1kHz
10kHz
-40
4.75
11.4
5.0
12.0
1.25
2.0
3.5
+8
±
0.2
±0.2
±30
±0.35
+85
5.25
12.6
1.6
2.4
6.0
0.4
+10
Condition
Min
8.0
Typ
10.0
Max
100
±
0.1
Unit
MHz
See
“How to Order”
Chart
Note
ppb
ppb
ppb
ppb
ppm
°C
V
W
V
dBm
After 30 days.
(8-10MHz)
See “How to
Order” Chart
Order Code G
Order Code D
Order Code B
3.8
+6
Order Code S
Order Code H
45
None
-40
-95
-125
-145
-155
-165
dBc
55
%
Fundamental
Multiplied
dBc/Hz
@ 10MHz
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevD1115
Specifications are subject to change without notice
1
VFOV302
OCXO – STRATUM 2 Compliant
HCMOS / SINE WAVE
Electrical Specifications
Parameter
Warm Up Time
Retrace
G-Sensitivity
Control
Voltage
Pullability
Deviation
Slope
Reference
Output
Monotonic, positive
V
REF
@25°C, F
NOM
4.0
V
C
Symbol
Condition
To 0.01ppm accuracy
@ +25°C
After 30 minutes
Worst direction
0
±
0.35
±
0.4
0.2
4.2
4.4
Min
Typ
3
Max
5
±
1.0
±
1.0
4.2
Unit
min
ppb
ppb/g
V
ppm
ppm/V
V
Note
Absolute Maximum Ratings
Parameter
Supply
Break Down
Voltage
Control
Voltage
Symbol
V
CC
V
C
Condition
5V Model
12V Model
Min
-0.5
-0.5
-1
Typ
Max
+6.0
+15.0
6
Unit
V
V
Note
Environmental and Mechanical Conditions
Parameter
Mechanical Shock
Vibration
Soldering Conditions
Storage Temperature
Markings
Condition
Per MIL-STD-202, 30G,half sine pulse, 11ms
Per MIL-STD-202, 5G swept sine 10 to 500Hz
260°C for 10s max
-60°C to +90°C
Epoxy ink or laser engraved
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevD1115
Specifications are subject to change without notice
2
VFOV302
OCXO – STRATUM 2 Compliant
HCMOS / SINE WAVE
V
CC
R-precision resistor
with low TCR
VFOV302 package
V
C
100 Ω
3
1
V
REF
4
2
5
Output
10k
Pin #
1
2
3
4
5
Connection
V
C
V
REF
V
CC
Output
GND
How to Order
Model
VFOV302
-
35 x 26
Stability
1
Temperature Range
B
Supply Voltage
D
APR
V
Aging
C
Output
H
-
Frequency, MHz
10
Package Dimensions (mm)
VFOV302
Code
3
2
1
Z
Y
Specification
3x10
-10
Code
A
B
C
D
E
G
Specification
0°C to 50°C
0°C to 70°C
-10°C to 60°C
-20°C to 70°C
-30°C to 70°C
-40°C to 85°C
Code
V
T
Spec.
VCXO
No tuning
Code
H
S
Specification
HCMOS
Sine wave
1x10
-10
2x10
-10
5x10
-10
1x10
-9
Code
D
B
Specification
5V ± 5%
12V ± 5%
Code
C
D
G
Per
day
1ppb
0.5ppb
0.2ppb
Per
year
0.1ppm
50ppb
30ppb
Available Frequency Stabilities over Operating Temperature Ranges
Code
A
C
B
D
E
G
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
Stability
1x10
-9
-10
5x10
3x10
-10
2x10
-10
1x10
-10
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevD1115
Specifications are subject to change without notice
3
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