SAW Components
SAW GPS Extractor Filter
GPS Extractor
Series/type:
Ordering code:
Date:
Version:
B7742
B39162B7742E310
April 24, 2009
2.3
©
EPCOS AG 2009. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
SAW GPS Extractor Filter
Data Sheet
Application
s
Low loss RF GPS Extractor filter for mobile phones
B7742
1575.42 / 859 / 1810 / 1920 / 2140 / 2441.75 MHz
s
s
s
s
s
s
s
using common antenna for GPS and Cellu-
lar/PCS/K-PCS/WCDMA/Bluetooth band
Placed between antenna, GPS and Cellular/PCS/K-
PCS/WCDMA/Bluetooth band
No switches and control lines required
Integrated low loss GPS filter with single ended out-
put 50
Ω
Very low insertion attenuation in GPS and NON-
GPS band
High selectivity of GPS filter
Low amplitude ripple in all bands
Usable passbands 2 MHz (GPS), 70 MHz (Cellular),
120 MHz (K-PCS), 140 MHz (PCS), 60 MHz
(WCDMA Band I), 83.5 MHz (Bluetooth)
Features
s
s
s
s
s
s
s
Package size 2.5 x 2.0 x 0.68 mm
3
Package code DCS6N
RoHS compatible
Approximate weight 0.015 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Pin configuration
s
1
s
3
s
6
s
4
s
2,5
Input antenna
Output GPS band
Output NON-GPS band (Cellular/K-
PCS/PCS/WCDMA/Bluetooth band depend-
ing on external matching)
To be grounded
Ground
1
6
3
4
2,5
Please read
cautions and warnings and
important notes
at the end of this document.
2
April 24, 2009
SAW Components
SAW GPS Extractor Filter
Data Sheet
Characteristics
Matching Circuit 1
1)
: All Bands + GPS (1575.42 MHz)
Temperature range for specification:
Terminating input antenna impedance:
Terminating GPS impedance:
Terminating NON-GPS impedance:
T
Z
ANT
Z
GPS
Z
nGPS
=
=
=
=
-30 ˚C to +85 ˚C
50
Ω
|| 6.8 nH
50
Ω
50
Ω
|| 6.8 nH
GPS
ANT
B7742
1575.42 / 859 / 1810 / 1920 / 2140 / 2441.75 MHz
Cellular
NON-GPS
(All bands)
min.
Maximum insertion attenuation
Antenna-GPS
1574.42 ... 1576.42
Antenna-NON-GPS
824.0 ... 960.0
Antenna-NON-GPS 1710.0 ... 1990.0
Antenna-NON-GPS 2110.0 ... 2170.0
Antenna-NON-GPS 2400.0 ... 2483.5
Attenuation
Antenna-GPS
Antenna-GPS
Antenna-GPS
Antenna-GPS
α
max
MHz
MHz
MHz
MHz
MHz
α
824.0
1710.0
2110.0
2400.0
... 960.0 MHz
... 1990.0 MHz
... 2170.0 MHz
... 2483.5 MHz
33
33
33
35
—
—
—
—
—
B7742
typ.
@ 25 ˚C
1.1
0.8
0.8
1.1
1.1
max.
1.6
1.3
1.3
1.5
1.6
dB
dB
dB
dB
dB
39
37
37
39
—
—
—
—
dB
dB
dB
dB
VSWR (Antenna port)
GPS band
1574.42
NON-GPS band
824.0
NON-GPS band
1710.0
NON-GPS band
2110.0
NON-GPS band
2400.0
VSWR (GPS port)
GPS band
1574.42
VSWR (NON-GPS port)
824.0
1710.0
2110.0
2400.0
... 1576.42
... 960.0
... 1990.0
... 2170.0
... 2483.5
MHz
MHz
MHz
MHz
MHz
—
—
—
—
—
—
—
—
—
—
α
33
33
33
35
1.3
2.0
1.4
1.6
1.8
1.2
2.0
1.4
1.6
1.8
1.8
2.5
2.0
2.1
2.4
1.8
2.5
2.0
2.1
2.4
... 1576.42 MHz
... 960.0 MHz
... 1990.0 MHz
... 2170.0 MHz
... 2483.5 MHz
Isolation between NON-GPS and GPS path
824.0 ... 960.0 MHz
1710.0 ... 1990.0 MHz
2110.0 ... 2170.0 MHz
2400.0 ... 2483.5 MHz
37
37
37
40
—
—
—
—
dB
dB
dB
dB
1) Further Matching Circuits are specified in B7742 Appendix
Please read
cautions and warnings and
important notes
at the end of this document.
3
April 24, 2009
SAW Components
SAW GPS Extractor Filter
Data Sheet
Antenna - GPS (transfer function for matching circuit 1):
B7742
1575.42 / 859 / 1810 / 1920 / 2140 / 2441.75 MHz
Antenna - GPS (transfer function passband for matching circuit 1):
Please read
cautions and warnings and
important notes
at the end of this document.
4
April 24, 2009
SAW Components
SAW GPS Extractor Filter
Data Sheet
Antenna - NON-GPS (transfer function for matching circuit 1,
all bands):
B7742
1575.42 / 859 / 1810 / 1920 / 2140 / 2441.75 MHz
Antenna - NON-GPS (isolation, transfer function for matching circuit 1,
all bands):
Please read
cautions and warnings and
important notes
at the end of this document.
5
April 24, 2009
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