SAW Components
SAW Duplexer
LTE Band 20
Series/type:
Ordering code:
Date:
Version:
B7679
B39851B7679A710
December 14, 2010
2.0
©
EPCOS AG 2010. 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
Low-loss SAW duplexer for LTE Band 20 systems
Low insertion attenuation
Low amplitude ripple
Usable passband 30 MHz
Single-ended to balanced transformation in Anten-
na-Rx path
s
Impedance transformation 50
Ω
to 100
Ω
in Anten-
na-Rx path
s
Very small size and low height
s
s
s
s
s
B7679
847.0 / 806.0 MHz
Features
s
s
s
s
s
s
s
0.68
Package size 2.5 * 2.0 * 0.68 mm
3
RoHS compatible
Approximate weight 0.013 g
Package for
Surface Mount Technology
(SMT)
Ni, Au-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitivity Level 3
0.55
5
6
9
3 2
1
7
0.4
0.4
bottom view
4
0.3
0.9
side view
2.5
2.0
0.4
top view
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
8
3
8
2,7
4,5,9
6
Please read
cautions and warnings and
important notes
at the end of this document.
2
December 14, 2010
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
TX terminating impedance:
ANT terminating impedance:
RX teminating impedance:
Characteristics Tx-Antenna
Center frequency
Maximum insertion attenuation
832.1 ... 861.9 MHz
1)
836.1
832.1
...
...
857.9
861.9
861.9
861.9
MHz
MHz
∆α
MHz
2)
MHz
EVM
2.6
10
6.0
16
1.4
1.4
1.8
2.2
f
c
α
2.7
2.2
2.7
3.0
2.9
3.4
T = -30 ˚C to +85 ˚C
Z
Tx
= 50
Ω
Z
Ant
= 50
Ω
|| 8.2 nH
Z
Rx
= 100
Ω
(balanced) || 56 nH
min.
typ.
@ 25 ˚C
847.0
max.
B7679
847.0 / 806.0 MHz
MHz
CTQ
dB
dB
dB
dB
dB
Amplitude ripple
(p-p)
832.1 ...
832.1
...
Error Vector Magnitude
5 MHz Channel @ f
Carrier
834.6...859.4MHz
3)
20 MHz Channel @ f
Carrier
842.1...851.9MHz
4)
Input VSWR (Tx port)
832.0 ...
Output VSWR (Ant Port)
832.0 ...
1)
2)
3)
4)
%
%
862.0
862.0
MHz
MHz
1.8
1.9
2.1
2.1
in 0C-60C temperature range
in 0C-60C temperature range
Computed with 4 MHz square signal
Computed with 18 MHz square signal
Please read
cautions and warnings and
important notes
at the end of this document.
3
December 14, 2010
SAW Components
SAW Duplexer
Data sheet
Characteristics Tx-Antenna
min.
typ.
@ 25 ˚C
max.
B7679
847.0 / 806.0 MHz
Absolute attenuation
0.3
791.1
820.0
873.0
875.0
1560.0
1654.0
2400.0
2476.0
3298.0
4000.0
4500.0
5000.0
α
...
...
...
...
...
...
...
...
...
...
...
...
...
791.0
820.0
820.9
875.0
903.0
1590.0
1734.0
2483.0
2606.0
3478.0
4500.0
5000.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
35
45
43
15
35
30
35
30
30
30
20
10
5
38
52
60
45
50
55
55
40
40
38
30
20
12
dB
dB
dB
dB
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 14, 2010
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
TX terminating impedance:
ANT terminating impedance:
RX teminating impedance:
Characteristics Antenna-Rx
Center frequency
Maximum insertion attenuation
791.1 ... 793.0 MHz
1)
793.0
791.1
Amplitude ripple
791.1
791.1
...
...
...
...
820.9 MHz
2)
820.9
820.9
820.9
MHz
α
MHz
3)
MHz
1.4
1.4
2.7
2.7
f
c
α
2.6
2.6
2.6
4.0
3.5
4.0
T =
-30˚C to +85 ˚C
Z
Tx
= 50
Ω
Z
Ant
= 50
Ω
|| 8.2 nH
Z
Rx
= 100
Ω
(balanced) || 56 nH
min.
typ.
@ 25 ˚C
806.0
max.
B7679
847.0 / 806.0 MHz
MHz
CTQ
dB
dB
dB
dB
dB
Error Vector Magnitude
5 MHz Channel @ f
Carrier
793.6 ...818.4MHz
4)
20 MHz Channel @ f
Carrier
801.1 ...810.9 MHz
5)
Input VSWR (Ant port)
791.0 ...
Output VSWR (Rx Port)
791.0 ...
3.1
6.2
8
16
%
%
821.0
821.0
MHz
MHz
1.7
1.8
2.1
2.1
Common mode rejection ratio
791.0 ... 821.0
1)
2)
3)
4)
5)
MHz
23
25
dB
in 0C-60C temperature range
in 0C-60C temperature range
in 0C-60C temperature range
Computed with 5 MHz square signal
Computed with 18 MHz square signal
Please read
cautions and warnings and
important notes
at the end of this document.
5
December 14, 2010
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