
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 FAX 508-497-6377 www.valpeyfisher.com RevC0508
1
VFOV200 Series
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Replaces Valpey Fisher Part Number(s): VFTCS, VFTCR, VFTCE, and VFTCI
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Note
Frequency
Range
F
5
250
MHz
Frequency
Stability
F/F
Vs. Operating Temp.
E: -30
°C to +70°C
± 10
ppb
STD option shown.
See “How to Order”
Chart below
Vs. Supply Voltage
±1
ppb
Ref. Vcc typ.
Vs. Aging / Day
Vs. Aging / Year
0.5
0.1
ppb
ppm
after 30 days
0.2ppb available
Operating
Temperature
Range
T
-30
°
+70
°
°C
STD option shown.
See “How to Order”
Chart below
Allan Variance
1s
10e-12
SSB Phase
Noise
10Hz
100Hz
1KHz
10KHz
100KHz
-125
-143
-150
-158
-160
dBc/Hz
For 10MHz
Oscillator
(For 100MHz see
plot next page)
Retrace
After 30 min.
±10
ppb
G-sensitivity
worst direction
±1
ppb/g
Supply Voltage
Vcc
11.4
4.75
3.10
12.0
5.0
3.3
12.6
5.25
3.50
V
Power
Consumption
P
steady state, 25
°C
steady state, -30
°C
start-up
1.0
2.0
3.2
1.2
2.2
3.5
W
Warm up time
τ
to 0.1ppm accuracy
2
3
min
Features
5MHz to 250MHz Frequency Range
High Stability ( up to 5ppb over -40~+85°C )
Sine Wave or HCMOS output
Multiple package options
Applications
PLL reference for Telecommunication Systems
Stratum 3E clock systems
Base station reference source
GPS holdover
Instrumentation / Test and Measurement
Electrical Specifications
RoHS Status