Data Sheet

CER0239B
947.5 Mhz GSM BPF
Rev 1 – Origin Date: August 9, 2005 – Revision Date: August 15, 2005
Features
• Low Loss
• Low Ripple
• High Rejection
Description
Surface mount, silver (Ag) coated ceramic
duplexer. Developed for use in 800 MHz
subscriber and infrastructure applications.
Weight: 3.9 grams typical
Material: Filter is composed of a ceramic
block plated with Ag.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Pass band Insertion Loss
Pass band Return Loss
Pass band Ripple
Rejection
Frequency
(MHz)
935-960
935-960
935-960
890-915
980
Typical @25°C
3.0 dB
13.0 dB
0.6 dB
53.0 dB
30.0 dB
Power into any port
Spec. @ 25°C
3.3 dB
10.0 dB
0.9 dB
50.0 dB
10.0 dB
5.0 Watt max
Spec. over
–40°C to + 85°C
3.5 dB
10.0 dB
1.0 dB
50.0 dB
10.0 dB
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
CER0239B
947.5 Mhz GSM BPF
Rev 1 – Origin Date: August 9, 2005 – Revision Date: August 15, 2005
Mechanical Drawing
Electrical response
850
875
900
925
950
Dim
Nominal (mm)
Tolerance (mm)
+/- or max
A
B
C
D
E
F
G
H
I
J
21.54
8.3
4.00
7.95
7.95
0.76
1.00
max
max
max
0.25
0.25
0.13
0.13
0.76
1.0
0.13
0.13
PCB Layout
975
1000
1025
1050
0
50
-10
40
-20
30
-30
20
-40
10
-50
0
-60
-10
-70
-20
-80
-30
-90
-40
-100
-50
Packaging and Marking
Customer Feed Direction
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
UNITS SPECIFICATION
mm
kg
ea.
Document No. 008-0256-0
330
2.7
500
Page 2 of 2
- CTS Electronic Components - www.ctscorp.com - 171 Covington Drive - Bloomingdale, IL 60108 -
Rev. X4VH
Similar pages