Data Sheet

CER0235A
942.5 MHz Monoblock LR Series BPF
Rev 1 – Origin Date: July 11, 2005 – Revision Date: November 29, 2006
Features
• Low Ripple
• High Rejection
• Low Loss
Description
Surface mount, silver (Ag) coated ceramic
filter. Developed for use in EGSM repeater
and base station applications, CTS
Monoblock LR Series Filters are designed to
minimize ripple and maximize rejection.
Weight: 12.25 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
Passband Iloss
Passband Ripple
Passband Return Loss @ TX
Passband Return Loss @ Ant
Attenuation
Frequency
MHz
Typical
@ 25ºC
Specification
@ 25ºC
Spec over
-40ºC to +85ºC
925 - 960
925 - 960
925 - 960
925 - 960
880 - 915
970
-2.3
0.60
-14.0
-14.0
-24.0
-13.0
-2.6
0.9
-10.0
-10.0
-20.0
-10.0
-2.8
1.0
-10.0
-10.0
-20.0
-10.0
Power into any port
5 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
CER0235A
942.5 MHz Monoblock LR Series BPF
Rev 1 – Origin Date: July 11, 2005 – Revision Date: November 29, 2006
Mechanical Drawing
Dim Nominal (mm)
A
B
C
D
E
F
G
H
I
50
-10
40
-20
30
-30
20
-40
10
-50
0
-60
-10
-70
-20
-80
-30
Filter Outline
-90
-40
Exposed Conductor
-100
-50
Solder Resist Over Dielectric
33.20
33.40
1000
-0.25
-0.13
0.00
0.20
1.61
2.13
3.53
4.05
5.77
6.27
8.08
8.59
27.10
6.37
3.46
3.98
0.20
12.20
33.20
980
29.37
30.39
960
0
29.52
30.04
940
26.58
27.60
920
21.25
21.83
23.64
24.16
900
9.28
9.82
11.68
12.21
14.07
14.59
16.44
16.98
18.85
19.39
880
PCB Layout
0.00
0.20
3.01
3.27
4.06
5.84
6.84
Electrical response
33.8
5.02
23.5
2.03
0.64
0.64
2.03
12.2
6.50
Tolerance (mm)
+/- or max
Max
0.25
0.13
0.13
0.13
0.13
0.13
Max
Max
Solder Resist Over Conductor
Packaging and Marking
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
UNITS SPECIFICATION
mm
kg
ea.
330
3.7
250
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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