70
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 941-693-0099 FAX 941-693-1554 http://www.foxonline.com
2000 FOX ELECTRONICS
VCXO
FEATURES
HCMOS/TTL Output
Pullability
Tight Stabilities
Low Power Consumption
Rugged Resistance Weld
Low Cost
-40 ~ +85C Option (R version)
UNITS
MHz
C
V
mA
%
nS
V
mA
LSTTL
pF
mS
dBc/Hz
PPM
%
kHz
MAX
40.000**
+70***
+85
+5.25
+4.5
15
20
30
60
10
0.5
3.2
-0.1
8
15
10
+1.0
+10
MIN
1.000
-10
-30
+4.75
+0.5
40
4.5
-125
-130
-1.0
-10
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)
Phase Noise
Frequency
Stability vs Voltage
Linearity
Modulation Bandwidth
ELECTRICAL CHARACTERISTICS (VDD = 5.0V, CL = 15pF)
FREQUENCY RANGE
1.000 ~ 40.000
1.000 ~ 24.000
24.000+ ~ 30.000
30.000+ ~ 40.000
1.000 ~ 40.000
CONDITIONS
2.5V
1.0V ~ 4.0V
4.0V ~ 1.0V
IOL = 3.2 mA
IOH = -0.1 mA
VOL = 0.5 V
VOH = 4.5V
TTL Load
HCMOS Load
Fo + 1 kHz
Fo + 10 kHz
VDD = 5.0V ±0.25V
*
Inclusive of 25C tolerance, operating temperature range, input voltage change, load change, aging, shock, vibration and Vc = 2.5V.
All specifications subject to change without notice.
** Higher frequencies available on an individual inquiry basis.
*** -40 ~ +85C "R" version available (ex: VCXO-C3R) Rev. 06/27/00
VOLTAGE CONTROLLED CRYSTAL OSCILLATOR
VCXO-C
The VCXO-C series is a tight stability, voltage controlled crystal
oscillator. The frequency can be pulled a minimum ±100PPM by
applying a voltage between 0.5V & 4.5V to pin 1. This oscillator is
designed to be used in applications requiring a general purpose
VCXO with excellent cost vs performance characteristics.
All dimensions are in millimeters.
Stability
(MAX)*
±50
±25
±100
Model
Number
VCXO-C2
VCXO-C3
VCXO-C4
VCXO-C7
VCXO-C8
Pullability(MIN)
Vc= 2.5 ±2V
±200
±100
±50
±100
MODEL NUMBER SELECTION