Data Sheet

CER0638A
2.635 GHz BPF
Revision B – Origin Date: May 9, 2008 - Revision Date: July 28, 2011
Features
• Low ripple
• Small Size
Description
Surface mount, silver (Ag) coated barium
ceramic filter.
Weight: 0.7 grams typical
Material: Filter is composed of a ceramic
block plated with Ag.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Passband Iloss
Passband Ripple
Passband Return Loss @ Port 1
Passband Return Loss @ Port 2
Attenuation
Frequency
MHz
Typical
@ 25ºC
Specification
@ 25ºC
Spec over
-40ºC to +85ºC
2580 - 2690
2580 - 2690
2580 - 2690
2580 - 2690
0.1 - 1754
2352
3000
-1.55
0.40
-14.00
-14.00
-54.00
-52.00
-45.00
-1.70
0.80
-11.00
-11.00
-51.00
-50.00
-31.00
-2.00
1.00
-10.00
-10.00
-50.00
-49.00
-40.00
Power into any port
1 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
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd – Albuquerque, NM 87113 -
CER0638A
2.635 GHz BPF
Revision B – Origin Date: May 9, 2008 - Revision Date: July 28, 2011
Mechanical Drawing
Electrical response
2000
2200
2400
2600
Dim
Nominal (mm)
Tolerance (mm)
+/- or max
A
B
C
D
E
F
G
H
I
J
6.8
4.1
0.66
0.66
0.66
1.35
3.86
2.4
0.66
5
max
max
0.13
0.13
0.13
0.13
0.13
0.13
0.13
max
PCB Layout
2800
3000
0
40
-10
30
-20
20
-30
10
-40
0
-50
-1 0
-60
-2 0
-70
-3 0
-80
-4 0
Packaging and Marking
DIMENISION
UNITS SPECIFICATION
mm
330
REEL DIAMETER
kg
1.5
REELWEIGHT
ea.
1000
REEL QUANTITY
Customer Feed Direction
Product Marking
CTS
638
YWW
Document No. 008-0256-0
Wo
Ao
Bo
Ko
Po
Inches/mm
Inches/mm
Inches/mm
Inches/mm
Inches/mm
0.630"/16
0.209"/5.30
0.280"/7.1
0.102"/2.60
0.315"/8.00
Page 2 of 2
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd NE – Albuquerque, NM 87113 -