EPCOS B4228

SAW Components
Data Sheet B4228
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Features
Chip sized SAW package QCS12B
■ Low-loss duplexer for cellular band mobile tele-
phone systems
■ 50 Ω ports by integrated matching network
■ Multifunctional ceramic base material for Surface Mounted Technology (SMT)
■ Small size and low height
3
4
2,54
2
bottom view
6
5
2,54
10 11 12
9
0,6
1,2
1
8
7
1,35
0,6
side view
5,0
5,0
top view
Dimensions in mm, approx. weight 0,13 g
Pin configuration
5
11
8
1, 2, 3, 4, 6
7, 9, 10, 12
11
5
TX Input
RX Output
Antenna
Ground
Ground
1,2,3,4,6
7,9,10,12
8
Type
Ordering code
Marking and Package
according to
B4228
B39881-B4228-D410
Packing
according to
C61157-A3-A2
F61074-V8159-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operating temperature range
Storage temperature range
DC voltage
Input power max.
824,0 ... 849,0 MHz
elsewhere
T
Tstg
VDC
PIN
– 30/+ 85
– 40/+ 85
0
30
10
˚C
˚C
V
dBm
dBm
2
source and load impedance 50 Ω
continuous
wave
}
Sep 09, 2002
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Reference temperature
ANT terminating impedance
RX terminating impedance
TX terminating impedance
T
ZANT
ZRX
ZTX
=
=
=
=
25 ± 2˚C
50 Ω
50 Ω
50 Ω
Characteristics TX - ANT
fc
Center frequency
Maximum insertion attenuation
824,00 ... 849,00 MHz
Amplitude ripple (p-p)
824,00 ... 849,00 MHz
Return loss
824,00 ... 849,00 MHz
Attenuation
0,03 ... 800,00 MHz
869,00 ... 894,00 MHz
914,00 ... 1004,00 MHz
1004,00 ... 3200,00 MHz
1648,00 ... 1698,00 MHz
2472,00 ... 2547,00 MHz
min.
typ.
max.
—
836,5
—
—
2,2
2,4
dB
—
0,8
1,1
dB
7,5
8,2
—
dB
21
44
30
20
30
20
32
46
34
23
38
25
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
min.
typ.
max.
—
881,5
—
—
2,9
3,3
dB
—
1,0
1,8
dB
9,0
10,0
—
dB
35
54
36
36
30
40
55
40
39
35
—
—
—
—
—
dB
dB
dB
dB
dB
min.
typ.
max.
54
45
56
46
—
—
MHz
αmax
∆α
α
Characteristics ANT - RX
fc
Center frequency
Maximum insertion attenuation
869,00 ... 894,00 MHz
Amplitude ripple (p-p)
869,00 ... 894,00 MHz
Return loss
869,00 ... 894,00 MHz
Attenuation
0,03 ... 824,00 MHz
824,00 ... 849,00 MHz
914,00 ... 1000,00 MHz
1000,00 ... 1200,00 MHz
1200,00 ... 3200,00 MHz
MHz
αmax
∆α
α
Characteristics TX - RX
α
Isolation between TX and RX path
824,00 ... 849,00 MHz
869,00 ... 894,00 MHz
3
Sep 09, 2002
dB
dB
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Reference temperature
ANT terminating impedance
RX terminating impedance
TX terminating impedance
T
ZANT
ZRX
ZTX
=
=
=
=
−30 to 85 ˚C
50 Ω
50 Ω
50 Ω
Characteristics TX - ANT
fc
Center frequency
Maximum insertion attenuation
824,00 ... 849,00 MHz
Amplitude ripple (p-p)
824,00 ... 849,00 MHz
Return loss
824,00 ... 849,00 MHz
Attenuation
0,03 ... 800,00 MHz
869,00 ... 894,00 MHz
914,00 ... 1004,00 MHz
1004,00 ... 3200,00 MHz
1648,00 ... 1698,00 MHz
2472,00 ... 2547,00 MHz
min.
typ.
max.
—
836,5
—
—
2,2
2,5
dB
—
0,8
1,1
dB
7,5
8,2
—
dB
21
44
30
20
30
20
32
45
34
23
38
25
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
min.
typ.
max.
—
881,5
—
—
3,4
3,8
dB
—
1,5
2,3
dB
9,0
10,0
—
dB
35
53
36
36
30
40
54
40
39
35
—
—
—
—
—
dB
dB
dB
dB
dB
min.
typ.
max.
52
45
53
46
—
—
MHz
αmax
∆α
α
Characteristics ANT - RX
fc
Center frequency
Maximum insertion attenuation
869,00 ... 894,00 MHz
Amplitude ripple (p-p)
869,00 ... 894,00 MHz
Return loss
869,00 ... 894,00 MHz
Attenuation
0,03 ... 824,00 MHz
824,00 ... 849,00 MHz
914,00 ... 1000,00 MHz
1000,00 ... 1200,00 MHz
1200,00 ... 3200,00 MHz
MHz
αmax
∆α
α
Characteristics TX - RX
α
Isolation between TX and RX path
824,00 ... 849,00 MHz
869,00 ... 894,00 MHz
4
Sep 09, 2002
dB
dB
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Frequency Response TX - ANT
Frequency Response TX - ANT (wideband)
5
Sep 09, 2002
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Frequency Response ANT - RX
Frequency Response ANT - RX (wideband)
6
Sep 09, 2002
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Frequency Response TX - RX
Frequency Response TX - RX (wideband)
7
Sep 09, 2002
SAW Components
B4228
836,5 / 881,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC WT
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
8
Sep 09, 2002