Data Sheet

KFF6538A
1227.6 MHz GPS BPF
Rev 0 – Origin Date: July 11, 2005 – Revision Date: July 11, 2005
Features
• Low Loss
• Excellent Return Loss
• Small Size
Description
Surface mount, silver (Ag) coated ceramic
filter. Developed for use in military GPS L2
applications.
Weight: 1.32 grams typical
Material: Filter is composed of a ceramic
block plated with Ag.
Filter complies with RoHS standards.
Electrical Specifications
Parameter
Passband Insertion Loss
Passband Return Loss
Attenuation
Attenuation
Power Rating
Impedance
Frequency
(MHz)
Typical @ 25ºC
1217.6-1237.6
1.1 dB
1217.6-1237.6
18.0 dB
1087.6
21.0 dB
1367.6
36.0 dB
Spec. @
25ºC
1.5 dB max
10.0 dB min
19.0 dB min
31.0 dB min
1W
50 Ω
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
KFF6538A
1227.6 MHz GPS BPF
Rev 0 – Origin Date: July 11, 2005 – Revision Date: July 11, 2005
Mechanical Drawing
Electrical response
Dim
Nominal (mm)
Tolerance (mm)
+/- or max
A
B
C
D
E
F
G
I
J
7.899
10.922
4.496
2.032
2.032
1.778
0.762
2.286
0.762
max
max
max
0.127
0.127
0.127
0.127
0.127
0.127
PCB Layout
Packaging and Marking
DIMENSION UNITS
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
SPECIFICATION
mm
kg
Ea.
330
2.0
1000
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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