Data Sheet

CER371A
1880 MHz Monoblock LR Series BPF
Rev 0 – Origin Date: March 7, 2006 – Revision Date: March 7, 2006
Features
• Low Ripple
• High Rejection
• Low Loss
Description
Surface mount, silver (Ag) coated ceramic
filter. Developed for use in DCS repeater and
base station applications, CTS Monoblock LR
Series Filters are designed to minimize ripple
and maximize rejection.
Weight: 9.5 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
Response
Passband Iloss
Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
Frequency
MHz
Typical
@ 25ºC
Specification
@ 25ºC
Spec over
-40ºC to +85ºC
1850 - 1910
1850 - 1910
1850 - 1910
1850 - 1910
1569 - 1830
1930 - 1990
2000 - 3000
-2.0
0.45
-13.5
-13.5
-28.0
-28.0
-28.0
-2.7
0.7
-12.0
-12.0
-25.0
-25.0
-25.0
-3.0
0.8
-12.0
-12.0
-25.0
-25.0
-25.0
Power into any port
3 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, desi gn 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
CER371A
1880 MHz Monoblock LR Series BPF
Rev 0 – Origin Date: March 7, 2006 – Revision Date: March 7, 2006
Mechanical Drawing
Dim
A
B
C
D
E
F
G
H
I
J
Electrical response
1730
1780
1830
1880
1930
1980
Nominal
(mm)
33.655
8.4
2.032
1.27
1.27
9.746
9.746
8.436
2.032
10.7
Tolerance (mm)
+/- or max
max
max
0.13
0.13
0.13
0.13
0.13
max
0.13
max
PCB Layout
2030
0
50
-10
40
-20
30
-30
20
-40
10
-50
0
-60
-10
-70
-20
-80
-30
-90
-40
-100
-50
OUTPUT
INPUT
Packaging and Marking
Customer Feed Direction
Under Construction
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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