Data Sheet

CER0276C
900 MHZ Duplexer
Rev 3 – Origin Date: October 28, 2005 – Revision Date: January, 10, 2007
Features
• Low Insertion Loss
• Low Ripple
• Excellent Rejection and Isolation
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in 800 MHz
EGSM Infrastructure Applications.
Weight: 12.25 grams typical
Material: Filter is composed of a ceramic
block plated with Ag and a shield made of
Sn plated steel.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Low Band Response (S21)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 2
Passband Return Loss @ Ant
Attenuation
High Band Response (S13)
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 3
Passband Return Loss @ Ant
Attenuation
Isolation (S23)
Rejection @ Low Band
Rejection @ High Band
Frequency
MHz
Typical
@ 25ºC
Specification
@ 25ºC
Spec over
-40ºC to +85ºC
880 - 915
880 - 915
880 - 915
880 - 915
925 - 960
-2.70
1.95
-12.00
-12.00
-40.00
-3.10
2.20
-10.00
-10.00
-37.00
-3.30
2.40
-10.00
-10.00
-37.00
925 - 960
925 - 960
925 - 960
925 - 960
880 - 915
-2.50
1.60
-13.00
-13.00
-44.00
-2.90
1.90
-11.00
-11.00
-42.00
-3.10
2.10
-11.00
-11.00
-42.00
880 - 915
925 - 960
-46.00
-42.00
-44.00
-40.00
-44.00
-40.00
Power into any port
6 Watt 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
•“This product is covered by one or more of the following U.S. and foreign patents including: US 4,692,726;US 4,742,562; US 4,800,348;US 4,829,274;US 5,146,193;EP 0573597;DE 0573597;FR 0573597;JP 508149/92;KR 142171;US
5,162,760;US 5,218,329;US 5,250,916;US 5,327,109;US 5,488,335;CA 2114029;FR 9306297;GB 2273393;JP 3205337;KR 115113;CN 93106228.4;US 5,512,866;EP 0706719;DE 0706719;FR 0706719;GB 0706719;CN 95190359.4;US
5,602,518;US 5,721,520;US 5,745,018;EP 0910875;DE 0910875;DK 0910875;FR 0910875;GB 0910875;IE 0910875;JP 505182/98;KR 10-323013;US 5,994,978;US 6,462,629;CN 00810420.4;US 6,559,735;US 6,650,202;US 6,834,429.Other
US and foreign patents pending.
•CTS Corporation 2006 reserves all copyrights in the layout, design and configuration of the patterns on this product.”
Document No. 008-0256-0
Page 1 of 2
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Rev. X4VH
CER0276C
900 MHZ Duplexer
Mechanical Drawing
Rev 3 – Origin Date: October 28, 2005 – Revision Date: January, 10, 2007
Dim
Nominal Tolerance (mm)
(mm)
+/- or max
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
max
5.02
9.67
13.86
2.03
0.64
0.64
2.03
13.70
12.67
6.50
0.89
2.79
2.29
0.64
0.55
2.79
0.25
0.13
0.13
0.13
0.13
0.13
0.13
max
max
max
0.13
0.13
0.13
0.13
0.13
0.13
2.50
2.83
4.46
5.50
7.13
8.04
16.00
16.31
17.94
18.16
19.53
19.74
21.38
22.53
25.53
26.36
28.00
29.03
30.66
31.03
33.53
PCB Layout
0.00
Electrical Response
33.80
-0.50
-0.20
0.00
1.53
2.29
3.50
4.67
RX
TX
ANT
942
897
7.67
9.67
31.53
33.53
21.53
22.53
11.00
12.00
0.00
2.00
12.67
13.17
Filter Outline
Exposed Conductor
Solder Resist Over Dielectric
Packaging and Marking
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
Solder Resist Over Conductor
UNITS SPECIFICATION
330
mm
3.8
kg
250
ea.
Customer Feed Direction
CTS
207
YWW
Document No. 008-0256-0
Page 2 of 2
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Rev. X4VH
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