VF Technologies
75 South Street, Hopkinton, MA 01748
Tel. 1-800-XTALREP, 508-435-6831
FAX 508 4355289
1
VFTH Series Miniature, High Frequency OCXO
4
1
0.01
10K
2
3
Vcc
Product Data Sheet
Features
Very Small Size (< 1.5 cm
3
, 4g weight)
Very Low Power Consumption (<150 mW)
Very Fast Warm-up Time (20s)
High Frequency Range (80 MHz to 160 MHz)
High Stability (up to 1x10
-9
per C)
Low Aging (2x10
-9
/day, 2x10
-7
/year @100 MHz)
Very Low Phase Noise (-160 dBc/Hz TYP floor)
Applications
Telecommunications, Stratum-3
Data Communications, Networking
Microwave Sources
Battery Powered Systems and Equipment
GPS
Instrumentation
COOL...TO THE TOUCH
DUT
Output
50 Ohm
0.500(12,7mm)
0.018 (0,45mm)
0.600(14,3mm)SQ.
0.500 (12,7mm)
0.25 (6,35mm) MIN
0.500 (12,7mm)
0.345 (8,76mm)
1
2
3
4
0.49 (12,4mm)MAX
VF Technologies
75 South Street, Hopkinton, MA 01748
Tel. 1-800-XTALREP, 508-435-6831
FAX 508 4355289
2
VFTH Series Miniature, High Frequency 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
80
100.000
160
MHz
vs. Temp.
150
500
ppb
See chart below
Frequency stability
F/F
vs. Supply
10
25
ppb/V
Aging
per day
per year
2E-9
2E-7
after 30 days
Allan Variance
.1s to 10s
1E-10
SSB Phase Noise
10 Hz
100 Hz
10 KHz
-100
-130
-160
-150
dBc/Hz
Retrace
After 30 minutes
50
ppb
G-sensitivity
worst direction
2.0
ppb/G
All parameters for 100 MHz
Input Voltage
Vcc
8
10
12.6
V
5V under development
Input Current
Icc
steady state, 25C
steady state, -30C
start-up current
15
50
200
25
mA
10V supply
Load
50 Ohm
Warm-up time
to 1 ppm accuracy
25
s
Output Waveform
(+7 3) dBm sinewave
10 V supply
Control voltage
Vc
0
8
V
Pull range
from nominal F
1.5
2
ppm
Deviation slope
Monotonic, positive
0.5
ppm/V
Setability
Vc0
@25C, Fnom.
2.0
4.0
6.0
V
1 ppm preset clock avail.
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
Leads Temperature 260C, for 10s, Max
Hermetic Seal
Leak rate less than 1x10-8 atm.ccm/s of helium (crystal only)
Electrical Connections
Pin Out
Pin #1 Vc; Pin #2 GND, case; Pin #3 Output; Pin #4 - Vcc
Creating a Part Number
VFTH
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 85C
Temperature Stability
Code
Specification
17
1x10
-7
57
5x10
-7
16
1x10
-6
26
1x10
-6
YZ
Yx10
-Z
Aging
Code
Specification
L
2x10
-9
/Day
S
5x10
-9
/Day
Supply Voltage
Code
Specification
5
5V 5% *
0
10V 10%
* - Under development
Not all combinations are available. Consult Factory
.
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