CER0233C
947.5 MHz Monoblock LR Series BPF
Rev 0 – Origin Date: July 11, 2005 – Revision Date: July 11, 2005
Features
• Low Ripple
• High Rejection
• Low Loss
Description
Surface mount, silver (Ag) coated ceramic
filter. Developed for use in GSM 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
Frequency
(MHz)
935 - 960
935 - 960
935 - 960
890 - 915
925
980
Spec. Over
Typical @ 25ºC Spec. @ 25ºC -40ºC to +85ºC
2.8 dB
13.0 dB
0.9 dB
53.0 dB
38.0 dB
33.0 dB
5 watt max
3.2 dB
10.0 dB
1.2 dB
50.0 dB
35.0 dB
30.0 dB
3.4 dB
10.0 dB
1.3 dB
50.0 dB
35.0 dB
30.0 dB
Parameter
Electrical Response
Passband Insertion Loss
Passband Return Loss
Passband Ripple
Attenuation:
Power into any port
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
Rev. X4VH
- CTS Electronic Components -
www.ctscorp.com -
171 Covington Drive - Bloomingdale, IL 60108 -
CER0233C
947.5 MHz Monoblock LR Series BPF
Mechanical Drawing
Rev 0 – Origin Date: July 11, 2005 – Revision Date: July 11, 2005
Dim Nominal (mm)
A
B
C
D
E
F
G
H
I
33.8
5.02
23.5
2.03
0.64
0.64
2.03
12.2
6.5
Tolerance (mm)
+/- or max
Max
0.25
0.13
0.13
0.13
0.13
0.13
Max
Max
Electrical response
870
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
890
910
930
950
970
990
50
40
30
20
10
0
-10
-20
-30
-40
-50
PCB Layout
9.28
9.82
11.68
12.21
14.07
14.59
16.44
16.98
18.85
19.39
21.25
21.83
23.64
24.16
26.58
27.60
-0.25
-0.13
0.00
0.20
1.61
2.13
3.53
4.05
5.77
6.27
8.08
8.59
12.20
29.52
30.04
27.10
33.20
3.46
3.98
0.20
6.37
29.37
30.39
33.20
33.40
0.00
0.20
3.01
3.27
4.06
5.84
6.84
Filter Outline
Exposed Conductor
Solder Resist Over Dielectric
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
Rev. X4VH
- CTS Electronic Components -
www.ctscorp.com -
171 Covington Drive - Bloomingdale, IL 60108 -
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