VFT5 Series Surface Mount UHF VCXO
COOL...TO THE TOUCH
Product Data Sheet
Features
Small, Low Profile SMD Package
Very Low Phase Jitter and Phase Noise
Excellent Frequency Stability
Low Aging, Vacuum sealed Crystal
Complementary Output Standard
Enable/Disable Standard
Very High Frequency
Available as a CLOCK, add "C" to part #
Applications
Optical Networking, SONET/SDH
10 Gbit Ethernet
Frequency Translation
SMD Reflow Profile
0
50
100
150
200
250
0
50
100
150
200
Time, s
Temperature, C
0.55 (14 mm)
0.35 (9 mm)
0.24 (6.1 mm)
0.200 (5.08 mm)
0.300 (7.62 mm)
1 2
3
4
5
6
Creating a Part Number
VFT5
FREQUENCY, MHz
Temperature Range
Code Specification
A
-10C to 60C
B
0C to 70C
C
-40C to 85C
Supply Voltage
Code Specification
S 5V
5%
L 3.3V
5%
C for
clock
-APR, ppm
5
4
2
3
1
OUTPUT
Vcc
GND
DUT
OUTPUT
6
Vc
En/Dis
5V
82 Ohm
82 Ohm
120 Ohm
120 Ohm
VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
1
VFT5 Series Surface Mount UHF VCXO
Specifications
Parameter
Symb Condition
Min Typ Max Unit
Note
Absolute Maximum Ratings
Input Break
Down Voltage
Vcc
-0.5
7.0
V
Storage temp.
Ts -55
85
C
Contr. Voltage
Vc
-1
9
V
Electrical
Frequency
range
F 600
960
MHz
Input Voltage
Vcc 4.75
3.15
5.00
3.30
5.25
3.45
V Std
LV
Input Current
Icc
50 Ohm Load
75
mA
Frequency
Stability
F/F
vs. Temperature
vs. Vcc
aging
20
5
5
ppm
ppm/V
ppm/year
First Year
Load
50 Ohm to Vcc-2V or Thevenin Equiv. Bias Required
Duty cycle
@50% 45
50
55
%
Rise/Fall time
Tr/Tf
20 to 80 %
0.6
ns
Logic "1" level
Voh
Vcc-0.96 Vcc-0.81 V
Logic "0" level
Vol
Vcc-1.85 Vcc-1.65 V
Start up time
Ts
2
10
ms
Phase jitter
1
1
ps fj>1KHz,
also valid for 50
KHz to 80 Mhz
SSB Phase Noise
@100
Hz
@1 KHz
@10 KHz
@100 KHz
-85
-115
-125
-135
dBc/Hz
Modulation BW fm @Vc=2.5V
>10KHz
@-3db
Input
Impedance
fm < 10KHz
> 50Kohm
Control voltage
Vc
0
0
5
3.3
V Std
LV
Deviation
Vc=0V to 5V,25C
Vc=0V to 3.3V,25C
100 ppm
Absolute usable
pull range
Over
all 50 ppm
1
Deviation slope
Monotonic,
positive
50
ppm/V
Linearity
-10
+10
%
Setability (Vc
for center freq.)
Vc0 @25C,
Fnom.
2.0
1.25
2.5
1.65
3.0
2.05
V Std
LV
Enable/disable
Function
Input HIGH (>2.5V): DISABLED
Input LOW (<0.5V) or floating: ACTIVE
Enable/disable
Time
Te/Td
100
ns
Environmental and Mechanical
Operating temp.
range
0C to 70C (-40C to 85C available)
Mechanical Shock
Per MIL-STD-202, Method 213, Cond. E
Thermal Shock
Per MIL-STD-883, Method 1011, Cond. A
Vibration
Per MIL-STD-883, Method 2007, Cond. A
Soldering Conditions
230C for 90s Max
Hermetic Seal
Leak rate less than 5x10-8 atm.cc/s of helium (crystal only)
Electrical Connections
Pin Out
Pin #1- Voltage Control Pin #2 - Negative Enable (internal pulldown)
Pin #3 - Case, Gnd Pin #4 - Output
Pin #5 - Complementary Output Pin #6 - Vcc
VF Technologies
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
2
Notes: 1. Up to 100 ppm available at Vcc = 5V
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