CER0694A
1795 MHz DCS Duplexer
Revision B – Origin Date: April 28, 2009– Revision Date: July 28, 2011
Features
• Extended pass band
• Low loss
• High rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in DCS
Infrastructure applications.
Weight: Approximately 30.0 grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
nickel silver plated steel.
Filter complies with RoHS standards.
Electrical Specifications (Preliminary)
Parameter
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
Low Band Response (S21)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
Frequency
MHz
1710 - 1785
1710 - 1785
1710 - 1785
1710 - 1785
1805 - 1880
Typical
@ 25ºC
-2.10
1.2
-13.5
-13.5
-29.0
Specification
@ 25ºC
-2.25
1.30
-12.0
-12.0
-28.0
Spec over
-40ºC to +85ºC
-2.40
1.40
-12.0
-12.0
-28.0
1805 - 1880
1805 - 1880
1805 - 1880
1805 - 1880
1710 - 1785
-2.0
1.2
-13.5
-13.5
-29.0
-2.2
1.3
-12.0
-12.0
-28.0
-2.3
1.4
-12.0
-12.0
-28.0
Power Into any Port
5 W Max
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
- 4800 Alameda Blvd. NE – Albuquerque, NM 87113-
CER0694A
1795 MHz DCS Duplexer
Mechanical Drawing
Revision B – Origin Date: April 28, 2009– Revision Date: July 11, 2011
Dim
A
B
C
D
E
F
G
H
I
J
K
L
Nominal Tolerance (mm)
(mm)
+/- or max
61.85
max
8.00
max
2.03
0.13
2.03
0.13
27.82
0.25
19.49
0.25
1.27
0.13
1.27
0.13
6.43
0.25
9.14
max
11.34
max
2.20
Max
PCB Layout
Packaging and Marking
Product is shipped in preformed foam trays
Electrical response
5 Trays containing 12 slots with 2 filters per
slot. 5 Trays per box. Total 120 filters per box
Part Marking: CTS YWW CER0694A
Document No. 008-0256-0
Page 2 of 2
Rev. X4VH
- CTS Electronic Components -
www.ctscorp.com
- 4800 Alameda Blvd. NE – Albuquerque, NM 87113-
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