MODEL 325
9x14mm VCXO
APPLICATIONS
SONET/SDH
Clock and Data Recovery
Frequency Translation
Base Stations/Picocells
Test Equipment
FEATURES
• Industry Standard 9x14mm SMT Footprint
• Output Frequencies from 15 MHz to 160 MHz
• +3.3 or 5.0 Vdc Supply Voltage Option
• -40°C to +85°C Temperature Range
• HCMOS, PECL, LVPECL, or LVDS output
• ± 10 ppm Absolute Pull Range (APR)
• Low Phase Noise
• Tape & Reel Packaging
• Fully Compliant to RoHS Directive 2002/95/EC
DESCRIPTION
The CTS Model 325 VCXO platform is a versatile ,
small size, high performance SMT VCXO. The high
quality CTS Quartz Crystal used in this VCXO offers
very low phase noise and low jitter, making it the
ideal choice for any telecommunications system.
ELECTRICAL SPECIFICATIONS
Parameter
Conditions & Remarks
Min
Typical
Max
Unit
Operating Conditions
19.2, 52,
61.44,100
122.88,125
155.52
Output Frequency Range
fNOM
15
160
MHz
Operating Temperature Range
Storage Temperature Range
TO
TS
-40
-55
-0.5
-
-
-
85
125
7.0
°C
°C
Maximum Supply Voltage Range VCC
Operating Supply Voltage (Vcc)
Vdc
5.0V, ±5%
3.3V, ±5%
Option B
Option A
4.75
3.135
5.0
3.3
5.25
3.465
Vdc
mA
-
-
-
-
-
15
25
85
25
75
60
Vcc = 5.0 Vdc ; HCMOS output
Vcc = 5.0 Vdc ; PECL output
Vcc = 3.3 Vdc ; LVCMOS output
Vcc = 3.3 Vdc ; LVPECL output
Supply Current (Icc); Vcc=5.0V
Supply Current (Icc) ; Vcc=3.3V
70
15
60
mA
45
Vcc = 3.3 Vdc ; LVDS output
HCMOS / LVCMOS
CL = 15 pF
Load
PECL / LVPECL
LVDS
50Ω to Vcc – 2V, or equivalent
100Ω (differential)
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CTS Communications Components, Inc. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
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Phone 630-924-3500 ٠
www.ctscorp.com ٠
Toll Free 800-757-6686 ٠
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