VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
1
VFTCI Series OCXO
Product Data Sheet
Features
SC-cut crystal
High Stability (up to 5x10
-9
)
Low Aging (5x10
-10
/day, 5x10
-8
/year)
Low Phase Noise (-160 dBc/Hz, TYP, floor)
Sine Wave or HCMOS/TTL output
4.8 MHz to 180 MHz Frequencies Available
Applications
Telecommunication Systems
Data Communications
GPS
Instrumentation
COOL...TO THE TOUCH
5
4
2
3
1
O U T P U T
V c c
1 0 K
R lo a d
G N D
D U T
1
2
3
4
5
1.00 (25,4 mm) SQ.
0.75 (19,05 mm)
0.030 (0,76 mm) TYP
0.50 (12,7 mm)
0.75 (19,05 mm)
0.25 (6,35 mm)
VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
2
VFTCI Series OCXO
Specifications:
Parameter Symb
Condition
Min
Typ
Max
Unit
Note
Absolute Maximum Ratings
Input Break
Down Voltage
Vcc -0.5
13.0
V
Storage temper.
Ts -40
85
C
Control Voltage
Vc -1
9 V
Electrical
Frequency
F 4.8
10.000
180
MHz
vs. Temp.
20
ppb
See chart below
Frequency stability
F/F
vs.
Supply 1 5 ppb/V
Aging
per day
per year
5E-10
1E-7
after 30 days
5E-8 available
Allan Variance
.1s to 10s
1E-11
SSB Phase Noise
10 Hz
100 Hz
10 KHz
-120
-150
-160
dBc/Hz
At Higher Freq.
Deteriorates by
20Log N dB
Retrace
After 30 minutes
20
ppb
G-sensitivity
worst direction
1.0
ppb/G
All par
a
me
ters f
o
r 10 MHz
Input Voltage
Vcc 4.75
5.0
5.25
V
3.3V,
12V5%
optional
Power consumption
P
steady state, 25C
steady state, -30C
start-up @ -30C
0.8
1.5
2.5
1 W
Load
10KOhm//15pF (HCMOS/TTL), 50 Ohm (Sinewave)
Warm-up time
to
0.1ppm
accuracy
2 3 minutes
Output Waveform
3.3V HCMOS/TTL compatible or Sinewave (>+7dBm)
-25dB Harmonics at sine
Control voltage
Vc
0
4.0
V
To 2.8V at Vcc=3.3V
Pull range
from nominal F
0.5
1
ppm
At 10 MHz
Deviation slope
Monotonic,
posit 0.4
ppm/V
Setability
Vc0 @25C,
Fnom. 1.0 2.0 3.0
V
Environmental and Mechanical
Operating temp. range
-30C to 70C Standard, Other options see chart below
Mechanical Shock
Per MIL-STD-202, 30G, 11ms
Vibration
Per MIL-STD-202, 5G to 2000 Hz
Soldering Conditions
230C for 30s Max SMD profile
Electrical Connections
Pin Out
Pin #1- Output; Pin #2- GND; Pin #3- Vc; Pin #4 - Vref ; Pin#5 - Vcc
Creating a Part Number
VFTCI
FREQUENCY, MHz
Temperature Range
Code Specification
A
0C to 50C
B
-10C to 60C
C
0C to 70C
D
-20C to 70C
E
-30C to 70C
F
-40C to 80C
Temperature Stability
Code Specification
17 1x10
-7
58 5x10
-8
28 2x10
-8
18 1x10
-8
59 5x10
-9
YZ Yx10
-Z
Aging
Code Specification
L 1x10
-9
/Day
S 5x10
-10
/Day
P 2x10
-10
/Day
Supply Voltage
Code Specification
5
5V 5%
2
12V 5%
3
3.3V 5%
Not all combinations are available. Consult Factory
.
Output
Code Specification
T TTL
S Sinewave
Rev 04172003
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