CER0438A Datasheet, PDF (1/2 Pages) CTS Corporation – Surface mount, silver (Ag) coated ceramic duplexer.

Features
• Low Loss
• High Rejection
• Low Ripple
Description
Surface mount, silver (Ag) coated ceramic
duplexer designed for broadband
applications.
Weight: 3.3 grams typical
Material: Filter is composed of a ceramic
block coated with Ag and a shield made of
nickel silver plated steel.
Filter complies with RoHS standards.
CER0438A
3425/3525 MHz Duplexer
Rev 1 – Origin Date: August 7, 2006 – Revision Date: August 14, 2006
Electrical Specifications
Parameter
Low Band Response (S12)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
High Band Response (S31)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 3
Attenuation
Isolation (S23)
Rejection @ Low Band
Rejection @ High Band
Power into any port
Frequency
MHz
3400 - 3450
3400 - 3450
3400 - 3450
3400 - 3450
3350
3500 - 3550
3500 - 3550
3500 - 3550
3500 - 3550
3500 - 3550
3400 - 3450
3625
3400 - 3450
3500 - 3550
Typical
@ 25ºC
Specification Spec over
@ 25ºC
-30ºC to +80ºC
-2.40
0.90
-12.50
-12.50
-33.00
-51.00
-2.60
1.30
-10.00
-10.00
-30.00
-48.00
-3.00
1.50
-10.00
-10.00
-30.00
-48.00
-2.40
1.00
-12.50
-12.50
-53.00
-31.00
-2.60
1.30
-10.00
-10.00
-50.00
-28.00
-3.00
1.50
-10.00
-10.00
-50.00
-28.00
-58.00
-53.00
2 Watt max
-55.00
-50.00
-55.00
-50.00
Note: Supplier shall test each filter to the critical electrical specifications of the above table. Any subsequent audits may deviate from in value due to measurement
repeatability among different test systems. Such deviations shall not exceed the following limits:
Specification Allowance
Insertion Loss
0.1 dB
Return Loss
1.0 dB
Stopbands
1.0 dB
Document No. 008-0256-0
Page 1 of 2
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -