SAW Components
SAW Tx filter
WCDMA Band II
Series/Type:
Ordering code:
Date:
Version:
B8815
B39192B8815P810
April 16, 2015
2.1
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
Low-Loss Filter for Mobile Communication
Data sheet
Application
I
Low-loss RF filter for mobile telephone
I
I
I
I
B8815
1880.0 MHz
WCDMA Band II system, trasmitting path (Tx)
Suitable for diversity applications
Impedance 50 ohm input and output
Unbalanced /unbalanced operation
Usable passband 60 MHz
Features
I
I
I
I
I
I
I
I
Package size 1.1 x 0.9mm
2
Max. Package height 0.45mm
RoHS compatible
Approx. weight 0.001g
Package for
Surface Mount Technology(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device(ESD)
Moisture Sensitivity Level
3
+
0.25
− 0.05
+
0.18
− 0.05
+
0.18
−
0.05
2
3
+
0.25
− 0.05
+
0.5
− 0.05
1
bottom view
(0.075)
+
0.385
− 0.05
+
0.385
− 0.05
0.45 max
(0.075)
5
4
side view
1.1
5
4
0.9
1
top view
2
3
+
−
0.10
Pin configuration
I
1
I
4
I
2,3,5
Intput,unbalanced
Output,unbalanced
To be grounded
1
4
2,5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
April 16, 2015
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T
= –30 ˚C to +85 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
B8815
1880.0 MHz
min.
Center frequency
Maximum insertion attenuation
1850.625... 1909.375 MHz
@f
Carrier
1852.40... 1907.60 MHz
Amplitude ripple
(p-p)
1850.625... 1909.375 MHz
Error Vector Magnitude
2)
@f
Carrier
1852.40... 1907.60 MHz
Input VSWR
1850.625... 1909.375 MHz
Output VSWR
1850.625... 1909.375 MHz
Attenuation
10.0 ...
1550.0 ...
1580.0 ...
1770.0 ...
1930.625...
1932.40...
1990.0 ...
2032.0 ...
2500.0 ...
3700.0 ...
1550.0
1580.0
1770.0
1830.0
1990.0
1987.60
2032.0
2500.0
3700.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
31
33
32
7
30
33
28
28
28
25
—
—
f
C
—
typ.
@ 25˚C
1880.0
max.
—
MHz
α
max
α
WCDMA
1)
∆α
—
—
—
—
2.2
2.1
0.8
2.0
2.0
2.0
3.8
3.5
2.8
4.5
2.3
2.6
dB
dB
dB
@f
Carrier
α
WCDMA2
)
34
37
39
19
33
35
35
34
35
29
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
April 16, 2015
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
1)
B8815
1880.0 MHz
Attenuation of WCDMA signal (“Powertransferfunction”,
α
WCDMA
) is determined by
∫
∞
S
ds 21
(
f
)H
RRC
(
f – f
Carrier
)
∞
2
df
f
Carrier
according to 3GPP TS 25.101 (e.g. for band VIII RX passband, f
Carrier
ranges from 927.4
MHz (lowest Rx channel) to 957.6 MHz (highest Rx channel)). H
RRC
(f) is the transfer function of the
root-raised cosine transmit pulse shaping filter according to 3GPP TS 25.101 with the following
normalization:
∫
∞
H
RRC
(
f
)
2)
∞
2
df = 1
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.
4
April 16, 2015
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
B8815
1880.0 MHz
Maximum ratings
Storage temperature range
DC voltage
ESD voltage
Input Power at
1850.0 ... 1910.0 MHz
P
IN
15
3)
dBm
Continuous wave for
2000h @ 55˚C
T
stg
V
DC
V
ESD
–40/+85
5
1)
50
2)
˚C
V
V
machine model, 10 pulse
1)
2)
3)
extended upperlimit: 168h@125˚C acc. to IEC 60068-2-2 Bb
168h Damp Heat Steady State acc. to IEC 60068-2-67 Cy
acc. to JESD22-A115A (machine model), 10 negative & 10 positive pulse
Please read
cautions and warnings and
important notes
at the end of this document.
5
April 16, 2015
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