SAW Components
SAW Rx Filter
GPS
Series/Type:
Ordering code:
Date:
Version:
B7839
B39162-B7839-K410
Nov 16, 2005
2.1
©
EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Application
s
Low-loss RF filter for GPS
s
Unbalanced to unbalanced operation
s
Very low insertion attenuation
B7839
1575.42 MHz
Features
Package size 2.0 x1.4 x 0.68 mm
3
Package code QCS5E
RoHS compliant
Approx. weight 0.007 g
Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
s
s
s
s
0.735
0,075
2
3
0,38
0,075
0,44
5
4
bottom view
1
0,68
2,0
side view
1,4
top view
Pin configuration
s
4
s
1
s
2,3,5
Input, unbalanced
Output unlanced
To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
Nov 16, 2005
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C ... +85 ˚C
Z
S
=
50
Ω
Z
L
=
50
Ω
B7839
typ.
@ 25 ˚C
1575.42
B7839
1575.42 MHz
min.
Nominal frequency
Maximum insertion attenuation
1574.42 ... 1576.42MHz
1574.42 ... 1576.42MHz
Amplitude ripple in passband
(p-p)
1574.42 ... 1576.42MHz
Attenuation
0.1
960.0
1460.0
1645.4
1710.0
1990.0
4000.0
VSWR
1574.42 ... 1576.42MHz
1)
max.
—
MHz
f
N
α
max
—
—
—
∆α
—
α
0.75
0.75
1.1
1.0
dB
dB
1)
0.05
0.3
dB
...
...
...
...
...
...
...
960.0 MHz
1460.0 MHz
1513.0 MHz
1710.0 MHz
1990.0 MHz
4000.0 MHz
6000.0 MHz
38
35
22
23
35
30
20
41
40
29
28
40
35
28
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
—
1.1
1.8
0 ˚C ... +55 ˚C
Maximum ratings
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input Power at
1574.42 ... 1576.42 MHz
50.0...1460 and
1710 ... 4000 MHz
1)
–40/+85
–40/+85
3
50
1)
3
25
˚C
˚C
V
V
dBm
dBm
machine model, 10 pulses
source and load impedance 50
Ω
continuous wave signal
T
stg
V
DC
V
ESD
P
IN
P
IN
acc. to JESD22-A115A (machine model), 10 negative & 10 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
3
Nov 16, 2005
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
B7839
1575.42 MHz
Transfer function
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
4
Nov 16, 2005
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
S
11
function
B7839
1575.42 MHz
S
22
function
Please read
cautions and warnings and
important notes
at the end of this document.
5
Nov 16, 2005
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