VFOV203
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Features
5MHz to 250MHz Frequency Range
High Stability ( up to 5ppb over -40~+85°C )
Sine Wave or HCMOS output
RoHS Status
Applications
PLL reference for Telecommunication Systems
Stratum 3E clock systems
Base station reference source
GPS holdover
Instrumentation / Test and Measurement
Electrical Specifications
Parameter
Frequency
Range
Symbol
F
Vs. Operating Temp.
E: -30C to +70C
Vs. Supply Voltage
Vs. Aging / Day
Vs. Aging / Year
Operating
Temperature
Range
Allan Variance
SSB Phase
Noise
Retrace
G-sensitivity
Supply Voltage
Power
Consumption
Warm up time
Vcc
P
τ
steady state, 25C
steady state, -30C
start-up
to 0.1ppm accuracy
T
1s
10Hz
100Hz
1KHz
10KHz
100KHz
After 30 min.
worst direction
11.4
4.75
3.10
12.0
5.0
3.3
1.0
2.0
3.2
2
-30
10e-12
-125
-143
-150
-158
-160
10
1
12.6
5.25
3.50
1.2
2.2
3.5
3
Condition
Min
5
10
±1
0.5
0.1
+70
Typ
Max
250
Unit
MHz
ppb
ppb
ppb
ppm
C
STD option shown.
See “How to Order”
Chart below
Ref. Vcc typ.
after 30 days
0.2ppb available
STD option shown.
See “How to Order”
Chart below
For 10MHz
Oscillator
dBc/Hz
(For 100MHz see
plot next page)
ppb
ppb/g
V
W
min
Note
Frequency
Stability
∆F/F
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
1
VFOV203
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Electrical Specifications
Parameter
HCMOS / TTL
Output
Levels
Rise / Fall time
Duty Cycle
Sine-Wave
Output
Levels
Harmonics
Sub-Harmonics
Control Voltage
Pull Range
Deviation slope
Reference output
Vref
Vc
Frequency <30Mhz
Frequency >30MHz
Vcc = 5 or 12V
Vcc=3.3V
from nominal F
Monotonic, Positive
None
0
0
0.5
1
0.4
Vcc=5 or 12V
R
L
Symbol
Condition
HCMOS/TTL
V
H
V
L
At 100MHz
45
+6
+8
50
-25
-40
4.3
2.8
Vcc = 5 or 12V
Vcc=3.3V
3.9
2.4
0.4
10
55
+10
Min
Typ
Max
Unit
Note
Order Code H
V
V
ns
%
dBm
Ω
dBc
dBc
V
ppm
ppm/
V
**Multiplied
fundamental
10KOhm / 15pF
Order Code S
Vcc = 5 or 12V
4.19
4.3
4.41
V
Vcc=3.3V
2.73
2.8
2.87
** High frequency fundamental (up to 120MHz) available without sub-harmonics. Please refer to VFOV103.
100MHz output with internal multiplied 20MHz fundamental Crystal
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
2
VFOV203
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Absolute Maximum Ratings
Parameter
Supply Break Down
Voltage
Control Voltage
Symbol
Vcc
Vc
Condition
Min
-0.5
-1
Typ
Max
Vcc+20%
9
Unit
V
V
Note
Environmental and Mechanical
Parameter
Storage Temperature
Humidity
Mechanical Shock
Vibration
Soldering Conditions
Specification
-60°C to +90°C
Hermetically Sealed
Per MIL-STD-202, 30g, half sine, 11ms
Per MIL-STD-202, 10g swept Sine to 2000Hz
260C for 10s
How to Order
Model
VFOV203
-
Stability
W
Temperature Range
D
Supply Voltage
E
Aging
C
Output
H
-
Frequency, MHz
10
Package Dimensions (mm)
VFOV203
25.4 x 25.4
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
D
E
B
Code
C
D
G
Per
day
1ppb
0.5ppb
0.2ppb
Per
year
0.1ppm
50ppb
30ppb
Code
R
T
U
V
W
Specification
-7
1x10
-8
5x10
-8
2x10
-8
1x10
-9
5x10
Specification
5V ± 5%
3.3V± 5%
12V ± 5%
Code
H
S
Specification
HCMOS
Sinewave
Available Frequency Stabilities over Operating Temperature Ranges
Order
Code
A
B
C
D
E
Temperature
Range
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
Stability
1x10
-7
5x10
-8
2x10
-8
1x10
-8
5x10
◊
◊
◊
◊
-9
G
-40°C to 85°C
◊
Only available below 30Mhz
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
3
VFOV203
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Package
VFOV203
Pin #
1
2
3
4
5
Connection
Output
GND
Vc
Vref
Vcc
75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
4
Real-time operating system RTOS
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