Preliminary Data Sheet
Microwave Ceramics
2-Pole Filter for GPS
SM D
1575 MHz
B69812-N1577-C303
Index
Page 2
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Application
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Features
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Component drawing
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Recommended footprint
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Characteristics
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Maximum ratings
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Typical passband characteristic
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Processing information
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Soldering requirements
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Delivery mode
Page 3
Page 4
Revision History
Issue
P1
P2
P3
P4
P5
Detail of change
Component drawing
Drawing of tape
Component drawing, recommended footprint
Value of insertion loss
Date
25.08.99
07.10.99
19.10.99
21.12.99
31.01.00
Name
Freising
Freising
Freising
Freising
Freising
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RF Filter for GPS
B69812-N1577-C303
Application
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RF filter for GPS (Global Positioning System)
Features
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SMD filter consisting of coupled resonators with stepped impedances
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(NdBa)TiO3 (ε
r
= 88 /
TCf
=0±10 ppm/K) with a coating of copper (10µm) and tin (>5µm)
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Excellent reflow solderability, no migration effect due to copper/tin metallization
Component drawing
I/O
G
I/O
G
G
G
G
View from below onto the solder terminals and view from beside
S2T211.DOC
Recommended footprint
I/O
G
I/O
G
G
G
G
FPS2T211.DOC
Issue P4
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RF Filter for GPS
B69812-N1577-C303
Characteristics
min.
Center frequency
Insertion loss
Passband
Amplitude ripple (peak - peak)
Standing wave ratio
Impedance
Attenuation
at < 1490 MHz
at 1525 MHz
at 1625 MHz
Maximum ratings
IEC climatic category (IEC 68-1)
Operating temperature
Typical passband characteristic
- 40/+ 90/56
T
op
0 / + 55
°C
f
c -
α
IL
B
3.0
∆α
SWR
Z
α
30
18
16
0.2
1.5
50
35
0.5
2.0
Ω
dB
dB
dB
typ.
1575
max.
-
3.2
MHz
dB
MHz
dB
0
-5
- 10
- 15
- 20
DB[S11]
- 25
DB[S21]
- 30
- 35
- 40
- 45
- 50
frequency [GHz]
S2T231.DOC
Issue P4
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RF Filter for GPS
B69812-N1577-C303
Processing information
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Wettability to IEC 68-2-58:
≥
75% (after aging)
Soldering requirements
Soldering type
Maximum soldering temperature
(measuring point on top surface of the component)
Recommended soldering conditions (infrared):
Temp. [°C]
within 10 sec.
ZNr.: 668 (FILT95_2)
reflow
235 (max. 2 sec.)
225 (max. 10 sec.)
°C
°C
215°C±10°C
20-40 sec.
40-80 sec.
Time [sec.]
LOETPROF.DOC
Delivery mode
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Blister tape to IEC 286-3, polyester, grey
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Pieces/tape: 3000
Profile B-B:
I/O
A
Profile A-A:
B
B
A
direction of unreeling
Issue P4
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