SAW Components
SAW RF filter
L Band
Series/type:
Ordering code:
Date:
Version:
B8844
B39152B8844P810
April 02, 2015
2.0
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, 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
Data sheet
Application
s
s
s
s
s
B8844
1474.00 MHz
Low-loss RF filter for L band
Usable pass band width 44 MHz
Impedance at input and output 50
Ω
Very low insertion attenuation
Unbalanced to unbalanced operation
Features
s
s
s
s
s
s
s
s
0.18
0.25
0.5
Package size 1.1 x 0.9 mm
2
Maximun package height of 0.45 mm
RoHS compatible
Approximate weight 0.0012 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitivity Level
3
2
1
3
bottom view
5
4
0.385 0.385
0.45 max.
0.4
side view
0.9
1.1
top view
Pin configuration
s
1
s
4
s
2,3,5
Input
Output
To be grounded
1
4
2,5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
April 02, 2015
SAW Components
SAW RF filter
Data sheet
Characteristics of Filter
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to +85˚C
50
Ω
Z
S
=
Z
L
=
50
Ω
min.
Center frequency
f
C
—
typ.
@ 25 ˚C
1474.00
max.
—
MHz
B8844
1474.00 MHz
Maximum insertion attenuation
α
max
1452.00 ... 1496.00 MHz
Amplitude ripple
(p-p)
∆α
1452.00 ... 1496.00 MHz
VSWR Input
1452.00 ... 1496.00 MHz
VSWR Output
1452.00 ... 1496.00 MHz
Error Vector Magnitude
@f
Carrier
1454.40 ... 1493.60 MHz EVM
1)
Attenuation
800.00
1530.00
1710.00
1920.00
2500.00
5000.00
1)
—
1.7
2.5
dB
—
0.6
1.3
dB
—
1.6
2.0
—
1.6
2.0
—
1.5
3.0
%
α
...
...
...
...
...
...
915.00
1570.00
1785.00
1980.00
2570.00
7000.00
MHz
MHz
MHz
MHz
MHz
MHz
48
20
46
46
42
30
58
32
54
52
47
37
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
Please read
cautions and warnings and
important notes
at the end of this document.
3
April 02, 2015
SAW Components
SAW RF filter
Data sheet
Maximum ratings of Filter
Operable temperature range T
Storage temperature range T
stg
DC voltage
ESD voltage
V
DC
V
ESD
–40/+85
–40/+85
0
50
1)
16
˚C
˚C
V
V
dBm
B8844
1474.00 MHz
machine model, 10 pulses
CW, 10 000 hrs @ 85deg
Input power at
1452.00 ... 1496.00 MHz P
IN
1)
acc. to JESD22-A115B (machine model), +/- 10 pulse.
Please read
cautions and warnings and
important notes
at the end of this document.
4
April 02, 2015
SAW Components
SAW RF filter
Data sheet
Transfer function (narrow band)
B8844
1474.00 MHz
Transfer function (wide band)
Please read
cautions and warnings and
important notes
at the end of this document.
5
April 02, 2015