VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
1
VFTCM Series OCXO
Product Data Sheet
Features
SC-cut crystal
Through Hole (VFTCM) or SMD (VFTCMS)
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
SMD Reflow Profile
0
50
100
150
200
250
0
50
100
150
200
Time, s
Temperature, C
16
7
8,9
1
10
OUTPUT
Vcc
10K
Rload
GND
DUT
0.47 (12 mm)
0.500 (12.7 mm)
0.018 (0.46 mm)TYP
0.600 (15.24 mm)
0.100 (2.54 mm)
0.700 (20.32 mm)
0.975 (24.77 mm)
0.700 (20.32 mm)
0.520 (13.2 mm)
0.600 (15.24 mm)
1
16
10 9
8
7
1
7
8
9
10
16
0.100 (2.54 mm)
0.975 (24.77 mm)
0.800 (20.32 mm)
VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
2
VFTCM 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- Vc; Pin #7- Vref; Pin #8, Pin #9 GND ; Pin#10 Output; Pin #16 -Vcc
Creating a Part Number
VFTCM (S)
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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