SAW Components
SAW RF filter
LTE Band 20
Series/type:
Ordering code:
Date:
Version:
B9485
B39851B9485P810
December 13, 2011
2.0
©
EPCOS AG 2011. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SAW Components
SAW RF filter
B9485
847.0 MHz
Application
s
s
s
s
Low Loss RF filter for LTE band 20, TX path
Usable band width 30 MHz
Unbalanced to unbalanced operation (50
Ω/50 Ω)
Very small size and low height
Features
s
Package size 1.4 x 1.1 mm
2
,
s
s
s
s
s
s
0,325
package height 0.4 mm
RoHS compatible
Approx. weight 0.003 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitivity Level 3
2
3
0,575
0,25
bottom view
1
5
0,5 0,5
4
0,4
side view
1,4
1,1
top view
Pin configuration
s
1
Input
s
4
Output
s
2, 3, 5 To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
December 13, 2011
SAW Components
SAW RF filter
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to
50
Ω
Z
S
=
Z
L
=
50
Ω
85 ˚C
B9485
847.0 MHz
min.
Nominal frequency
Maximum insertion attenuation
832.0 ... 862.0 MHz
1)
832.0 ... 862.0 MHz
Amplitude ripple
(p-p)
832.0 ... 862.0 MHz
Input VSWR
832.0 ... 862.0 MHz
Output VSWR
832.0 ... 862.0 MHz
Absolute attenuation
0.3
791.0
925.0
1565.42
1664.0
1805.0
2110.0
2400.0
2496.0
2586.0
2620.0
3328.0
1)
f
N
α
max
—
typ.
@ 25 ˚C
847.0
max.
—
MHz
—
—
∆α
—
1.5
1.5
2.0
2.2
dB
dB
0.8
1.5
dB
—
—
α
1.9
1.9
2.2
2.2
...
...
...
...
...
...
...
...
...
...
...
...
791.0
821.0
960.0
1606.0
1724.0
1880.0
2170.0
2496.0
2586.0
2620.0
2690.0
3448.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
30.0
35.0
20.0
35.0
25.0
25.0
25.0
35.0
35.0
35.0
25.0
20.0
37.0
39.0
31.0
45.0
45.0
45.0
40.0
40.0
40.0
40.0
40.0
50.0
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
in
-15 ˚C to 60 ˚C
Please read
cautions and warnings and
important notes
at the end of this document.
3
December 13, 2011
SAW Components
SAW RF filter
B9485
847.0 MHz
Maximum ratings
Storage temperature range
DC voltage
ESD voltage
Input power
1)
T
stg
V
DC
V
ESD
P
IN
–40/+85
0
100
1)
13
˚C
V
V
dBm
machine model, 1 pulse
continous wave, 55˚C , 50000h
acc. to JESD22-A115A (machine model), 1 negative & 1 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
4
December 13, 2011
SAW Components
SAW RF filter
Transfer fonction (Narrow band)
B9485
847.0 MHz
Transfer fonction (Wide band)
Please read
cautions and warnings and
important notes
at the end of this document.
5
December 13, 2011
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