VFTH Series Miniature
High Frequency OCXO
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 (-150 dBc/Hz TYP
floor)
Applications
•
•
•
•
•
•
Telecommunications, Stratum-3
Data Communications, Networking
Microwave Sources
Battery Powered Systems and
Equipment
GPS
Instrumentation
4
3
1
Ø0.500(12,7mm)
2
0.49 (12,4mm)MAX
0.345 (8,76mm)
0.25 (6,35mm) MIN
Vcc
3
4
DUT
0.01
10K
1
2
50 Ohm
Output
Ø0.018 (0,45mm)
0.500 (12,7mm)
0.500 (12,7mm)
0.600(14,3mm)SQ.
VFTH Series Miniature
High Frequency OCXO
Specifications:
75 South Street, Hopkinton, MA 01748
•
800-982-5737
•
508-435-6831
•
FAX 508 435-5289
•
www.valpeyfisher.com
Aging
Allan Variance
SSB Phase Noise
after 30 days
dBc/Hz
-150
±50
±2.0
12.6
25
ppb
ppb/G
V
mA
Retrace
G-sensitivity
Input Voltage
Input Current
Vcc
Icc
8
Load
Warm-up time
Output Waveform
Control voltage
Pull range
Deviation slope
Setability
Vc
Vc0
steady state, 25°C
steady state, -30°C
start-up current
50 Ohm
to 1 ppm accuracy
25
(+7 ±3) dBm sinewave
0
8
from nominal F
±1.0
±2
Monotonic, positive
0.5
@25°C, Fnom.
2.0
4.0
6.0
10
15
50
200
5V under development
10V supply
s
10 V supply
V
ppm
ppm/V
V
±1 ppm preset clock avail.
Environmental and Mechanical
Operating temp. range
Mechanical Shock
Vibration
Soldering Conditions
Hermetic Seal
Electrical Connections
Pin Out
-30°C to 70°C Standard, Other options – see chart below
Per MIL-STD-202, 30G, 11ms
Per MIL-STD-202, 5G to 2000 Hz
Leads Temperature 260°C, for 10s, Max
Leak rate less than 1x10-8 atm.ccm/s of helium (crystal only)
Pin #1 – Vc; Pin #2 – GND, case; Pin #3 – Output; Pin #4 - Vcc
Create a Part Number
VFTH
Temperature Range
Code
Specification
A
0°C to 50°C
B
-10°C to 60°C
C
0°C to 70°C
D
-20°C to 70°C
E
-30°C to 70°C
F
-40°C to 85°C
Temperature Stability
Code
Specification
-7
17
1x10
-7
57
5x10
-6
16
1x10
-6
26
2x10
-Z
YZ
Yx10
FREQUENCY, MHz
“V” for VCXO
Aging
Code
L
S
Supply Voltage
Code
Specification
5
5V ± 5% *
0
10V ± 10%
* - Under development
Specification
-9
2x10 /Day
-9
5x10 /Day
Not all combinations are
available. Consult Factory.
12/08
75 South Street, Hopkinton, MA 01748
•
800-982-5737
•
508-435-6831
•
FAX 508 435-5289
•
www.valpeyfisher.com
All parameters for 100
MHz
Parameter
Symb
Absolute Maximum Ratings
Input Break
Vcc
Down Voltage
Storage temper.
Ts
Control Voltage
Vc
Electrical
Frequency
F
Frequency stability
F/F
Condition
Min
-0.5
-40
-1
50
Typ
Max
13.0
85
9
Unit
V
°C
V
MHz
ppb
ppb/V
Note
vs. Temp.
vs. Supply
per day
per year
.1s to 10s
10 Hz
100 Hz
10 KHz
After 30 minutes
worst direction
100.000
±150
10
2E-9
2E-7
1E-10
-100
-130
-155
160
±500
25
See chart below
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