Data Sheet

CER0023A
1900 MHz PCS Duplexer
Rev 1 – Origin Date: July 11, 2005 – Revision Date: May 16, 2007
Features
• Low Loss
• Excellent Tx Isolation
• High Rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in PCS
infrastructure and subscriber applications.
Weight: 2.74 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.
Electrical Specifications
Parameter
Antenna to TX Response
Passband Insertion Loss
Passband Return Loss
Rejection
Antenna to RX Response
Passband Insertion Loss
Passband Return Loss
Rejection @ TX band
TX to RX Response
Rejection @ TX band
Rejection @ RX band
Power into any port
Frequency
(MHz)
Typical
1850 - 1910
1850 - 1910
1930 – 1990
2039.8-2099.8
3.2 dB
16.5 dB
52.5 dB
53.5 dB
3.4 dB max
11 dB min
46 dB min
38 dB min
3.7 dB max
10 dB min
45 dB min
38 dB min
1930 - 1990
1930 - 1990
1850 - 1910
2039.8-2099.8
2149.6-2209.6
3.4 dB
14.0 dB
54.5 dB
14.0 dB
50.0 dB
3.7 dB max
11 dB min
51 dB min
10 dB min
30 dB min
4.0 dB max
10 dB min
50 dB min
10 dB min
30 dB min
1850 - 1910
1930 - 1990
55.5 dB
56.0 dB
54.5 dB min
49 dB min
2 Watt max
53.5 dB min
49 dB min
Spec. @ 25ºC
Spec. over
-20ºC to +70ºC
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
CER0023A
1900 MHz PCS Duplexer
Rev 1 – Origin Date: July 11, 2005 – Revision Date: May 16, 2007
Mechanical Drawing
Dim
J
C
G
I
A
H
B
D
E
F
K
L
M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Nominal
(mm)
0.25
22.91
0.69
2.44
7.43
10.52
1.0
0.8
1.0
0.9
6.53
5.64
4.6
0.84
Tolerance
(mm) +/0.25
max
0.13
0.25
0.13
0.13
0.13
0.13
0.13
0.13
max
max
max
0.13
N
Electrical response
PCB Layout
0
-10
-20
Attenuation (dB)
-30
-40
-50
-60
1780 1810 1840 1870 1900 1930 1960 1990 2020 2050 2080
Frequency (MHz)
Packaging and Marking
DIMENSION
UNITS
SPECIFICATION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
mm
kg
ea.
330
2.2
500
Customer Feed Direction
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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