![](http://datasheet.mmic.net.cn/180000/VCS20ATR77-760MHZAM_datasheet_11384625/VCS20ATR77-760MHZAM_1.png)
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FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 941-693-0099 FAX 941-693-1554 http://www.foxonline.com
2000 FOX ELECTRONICS
FEATURES
5.0 Volt VDD
HCMOS
Enable/Disable
Many Stability/Pullability Options
-40 ~ +85C Temp Range Option
VCXO SMD LOW PROFILE/VOLTAGE CONTROLLED CRYSTAL OSCILLATOR
VCSAT SERIES
The Fox VCS Series VCXO is an SMD, tight stability, voltage
controlled oscillator available in a wide range of stability and
pullability options. It is intended to be a general purpose VCXO
with minimum utilization of board space.
All dimensions are in millimeters.
See page 74 for tape and reel specifications.
VCXO
OUTPUT (Pin 4)
ACTIVE
High Z
ENABLE / DISABLE FUNCTION 4
Pin 2
OPEN
2.2 V
0.8 V
1
Inclusive of 25°C tolerance, operating temperature range, input voltage change,load change,
aging, shock, vibration, and Vc=2.5V.
2
Available on an individual inquiry basis
3
Custom specifications from 52.000 to 77.760MHz available on an individual inquiry basis.
Note: An alternative pin connection with E/D on pin #5 is available.
All specifications subject to change without notice. Rev. 11/26/01
±25***
±50
±25
±50
±100
±50
±100
-40°C~+85°C
VCS12ATR2
VCS15ATR
VCS22ATR2
VCS25ATR
VCS20ATR
-10°C~+70°C
VCS12AT
VCS15AT
VCS22AT
VCS25AT
VCS20AT
MODEL SELECTION
Model Number
Stability
(PPM)(MAX)1
Pullability
(PPM) (MIN)
Vc = 2.5 ±2.0V
MIN
1.000
-10
-40
+4.75
+0.5
40
4.5
-10
20
UNITS
MHz
C
V
mA
%
nS
V
mA
TTL
pF
mS
nS
%
kHz
MAX
52.000 3
77.760
+70
+85
+5.25
+4.5
20
30
40
60
5
0.5
16.0
-4.0
10
15
10
100
+10
PARAMETERS
Frequency Range
(Fo)
Temperature Range
Operating
(TOPR)
Storage
(TSTG)
Supply Voltage
(VDD)
Control Voltage
(Vc)
Input Current
(IDD)
Output Symmetry
Rise Time
(TR)
FallTime
(TF)
Output Voltage
(VOL)
(VOH)
Output Current
(IOL)
(IOH)
Output Load
Start-up Time
(TS)
Enable/Disable Time 4
Frequency Linearity
Modulation Bandwidth
ELECTRICAL CHARACTERISTICS (VDD = 5.0V, CL = 15pF)
CONDITIONS
2.5V
1.0V ~ 4.0V
4.0V ~ 1.0V
IOL = 16.0 mA
IOH = -4.0 mA
VOL = 0.5V
VOH = 4.5V
TTL
HCMOS
FREQUENCY RANGE
1.000 ~ 77.760
1.000 ~ 18.000
18.000+ ~ 36.000
36.000+ ~ 52.000
52.000+ ~ 77.760
1.000 ~ 77.760