Data Sheet

CER0205B
1950 MHz Monoblock LR Series BPF
Rev 1 – Origin Date: July 11, 2005 – Revision Date: August 1, 2005
Features
• Low Ripple
• High Rejection
• Low Loss
Description
Surface mount, silver (Ag) coated ceramic
filter. Developed for use in W-CDMA repeater
and base station applications, CTS
Monoblock LR Series Filters are designed to
minimize ripple and maximize rejection.
Weight: 4.7 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 Typical @ Specification
(MHz)
25ºC
@ 25ºC
Passband Insertion Loss 1920 - 1980
2.0 dB
2.3 dB
Passband Ripple
1920 - 1980
0.7 dB
1.0 dB
Passband Return Loss
1920 - 1980
12.5 dB
10.0 dB
Attenuation:
1900
25.0 dB
22.0 dB
2000
25.0 dB
22.0 dB
2110 – 2170 40.0 dB
35.0 dB
Power into any port
2 Watt max.
Parameter
Spec. over 40ºC to +85ºC
2.6 dB
1.2 dB
10.0 dB
22.0 dB
22.0 dB
35.0 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
CER0205B
1950 MHz Monoblock LR Series BPF
Rev 1 – Origin Date: July 11, 2005 – Revision Date: August 1, 2005
Mechanical Drawing
Dim
Electrical response
1800
1850
1900
1950
16.42
4.2
5.3
4.85
5.7
0.51
0.51
1.02
1.02
6.8
A
B
C
D
E
F
G
H
I
J
Input
Output
Nominal
(mm)
Tolerance (mm)
+/- or max
max
0.13
0.13
max
max
0.13
0.13
0.13
0.13
max
PCB Layout
2000
2050
2100
0
40
-10
30
-20
20
-30
10
-40
0
-50
-10
-60
-20
-70
-30
-80
-40
Packaging and Marking
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
UNITS SPECIFICATION
mm
kg
ea.
330
3.1
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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