Data Sheet

CER0139B
1227 MHz GPS BPF
Revision B – Origin Date: September 28, 2005 – Revision Date: July 26, 2011
Features
• Low Loss
• Excellent Return Loss
• Small Size
Description
Surface mount, silver (Ag) coated ceramic
filter.
Weight:
1.82 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 Ripple
Passband Return Loss
Attenuation:
Power into any port
Frequency (MHz)
1215.6 – 1239.6
1215.6 – 1239.6
1215.6 – 1239.6
1152.6
1177.6
1277.6
1302.6
Typical @ 25ºC
-0.8
0.3
-20
-14
-9
-20
-38
1 Watt max
Spec @ -40o C
Spec. @ 25ºC
to +85o C
-1.5
-1.8
0.5
0.7
-10
-9
-12
-10
-7
-5
-17
-16
-26
-24
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
Document No. 008-0256-0
Page 1 of 2
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd NE – Albuquerque, NM 87113 -
CER0139B
1227 MHz GPS BPF
Mechanical Drawing
Revision B – Origin Date: September 28, 2005 – Revision Date: July 26, 2011
Dim
A
B
C
D
E
F
G
I
J
Electrical response
Nominal (mm)
7.899
10.922
4.496
2.032
2.032
1.778
0.762
2.286
0.762
Tolerance (mm)
+/- or max
Max
Max
Max
0.127
0.127
0.127
0.127
0.127
0.127
PCB Layout
Packaging and Marking
DIMENSION
REEL DIAMETER
REEL WEIGHT
REEL QUANTITY
UNITS
mm
kg
ea.
SPECIFICATION
330
1.82
1000 Max
Customer Feed Direction
CTS
39B
YWW
Document No. 008-0256-0
Page 2 of 2
Rev. X4VH
- CTS Electronic Components - www.ctscorp.com – 4800 Alameda Blvd NE – Albuquerque, NM 87113 -
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