SAW Components
SAW Duplexer
LTE Band 13
Series/type:
Ordering code:
Date:
Version:
B7928
B39781B7928P810
December 28, 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.
SAW Components
SAW Duplexer
Data sheet
Application
s
Low-loss SAW duplexer for mobile telephone
s
s
s
s
B7928
782.0 / 751.0 MHz
W-CDMA Band 13 system
Low insertion attenuation
Low amplitude ripple
Single ended to balanced transformation
in Antenna - Rx path
Impedance transformation 50Ω to 100Ω
in Antenna - Rx path
Features
Package size 3.0 x 2.5 x 0.68
RoHS compatible
Approx. weight 0.020 g
Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
s
s
s
0,65
mm
3
5
6
7
0,5
0,6
bottom view
8
9
0,4
4
1,1
0,68
0,5
side view
top view
3
2
1
3,0
2,5
Pin configuration
s
s
s
s
3
1, 8
6
2, 4, 5, 7, 9
Tx Input
Rx Output (balanced)
Antenna
To be grounded
1
3
8
2,7
4,5,9
6
Please read
cautions and warnings and
important notes
at the end of this document.
2
December 28, 2011
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
Rx terminating impedance:
Tx terminating impedance:
Characteristics Tx-Antenna
Center frequency
Maximum insertion attenuation
777.0 ... 787.0
Amplitude ripple
(p-p)
777.0 ... 787.0
TX port VSWR
777.0 ...
Antenna port VSWR
777.0 ...
Attenuation
10.0
716.0
728.0
746.0
758.0
766.0
768.0
769.0
770.0
771.0
800.0
808.0
869.0
1554.0
1565.0
1805.0
2331.0
2400.0
3108.0
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
716.0
728.0
746.0
756.0
766.0
768.0
769.0
770.0
771.0
772.0
808.0
869.0
894.0
1565.0
1607.0
2170.0
2361.0
2484.0
3148.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
787.0
787.0
MHz
MHz
α
30
40
30
45
30
23
12
6
3
2.5
15
30
30
30
45
30
30
35
25
40
45
48
56
34
29
28
31
20
9
34
39
43
52
53
53
48
47
28
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
—
—
1.4
1.6
2.0
2.0
f
c
α
MHz
∆α
MHz
—
0.5
1.3
dB
—
1.5
2.3
dB
T = –30 ˚C to +85 ˚C
Z
Ant
=
50
Ω
|| 15nH (ideal)
Z
Rx
= 100
Ω
(balanced)
Z
Tx
=
50
Ω
min.
—
typ.
@ 25 ˚C
782.0
max.
—
MHz
B7928
782.0 / 751.0 MHz
Please read
cautions and warnings and
important notes
at the end of this document.
3
December 28, 2011
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
Rx terminating impedance:
Tx terminating impedance:
Characteristics Antenna-Rx
Center frequency
Maximum insertion attenuation
746.0 ... 756.0
Amplitude ripple
(p-p)
746.0 ... 756.0
Antenna port VSWR
746.0 ...
Rx port VSWR
746.0 ...
f
c
α
MHz
α
MHz
—
1.0
1.3
dB
—
2.0
2.5
dB
T = –30 ˚C to +85 ˚C
Z
Ant
=
50
Ω
|| 15nH (ideal)
Z
Rx
= 100
Ω
(balanced)
Z
Tx
=
50
Ω
min.
—
typ.
@ 25 ˚C
751.0
max.
—
MHz
B7928
782.0 / 751.0 MHz
756.0
756.0
MHz
MHz
—
—
1.8
1.8
2.2
2.2
CMRR
(|S
32
-S
42
|/|S
32
+S
42
|)
746.0 ... 756.0
Attenuation
10.0
650.0
730.0
769.0
777.0
793.0
805.0
2000.0
3500.0
... 650.0
... 730.0
... 736.0
... 775.0
... 787.0
... 805.0
... 2000.0
... 3500.0
... 6000.0
MHz
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
22
25
—
dB
50
35
26
15
50
45
45
40
23
69
39
35
30
56
56
54
50
35
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
4
December 28, 2011
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
Rx terminating impedance:
Tx terminating impedance:
Characteristics Tx-Rx
Differential mode isolation
746.5 ... 749.0
749.0 ... 755.5
777.0 ... 781.0
781.0 ... 787.0
1552.0 ... 1574.0
2328.0 ... 2361.0
3104.0 ... 3148.0
Common mode isolation
777.0 ...
781.0 ...
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
781.0
787.0
MHz
MHz
54
57
61
62
—
—
dB
dB
50
53
54
55
30
30
30
59
61
60
59
67
62
57
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
T = –30 ˚C to +85 ˚C
Z
Ant
=
50
Ω
|| 15nH (ideal)
Z
Rx
= 100
Ω
(balanced)
Z
Tx
=
50
Ω
min.
typ.
@ 25 ˚C
max.
B7928
782.0 / 751.0 MHz
Please read
cautions and warnings and
important notes
at the end of this document.
5
December 28, 2011