SAW Components
Data Sheet B7847
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7847
1960,0 MHz
Chip sized SAW package
QCS5E
Features
q
Low-loss RF filter for mobile telephone
q
q
q
q
q
0.735
0,075
2
3
PCS systems, receive path
Usable passband 60 MHz
Unbalanced to balanced operation
Impedance transformation from 50Ω to 100Ω
Low insertion loss and very high Tx blocking
Package for
Surface Mounted Technology
(SMT)
0,38
0,075
0,44
5
4
bottom view
1
0,68
side view
Terminals
s
Gold-plated Ni
2,0
1,4
top view
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1
3, 4
2, 5
Input, unbalanced
Output, balanced
Case ground
Type
B7847
Ordering code
B39202-B7847-K410
Marking and Package
according to
C61157-A7-A131
Packing
according to
F61074-V8151-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Input power
T
T
stg
V
DC
V
ESD
P
S
– 40/+ 85
– 40/+ 85
5
50*
10
˚C
˚C
V
V
dBm
Machine Model, 10 pulses
* - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Nov 9, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7847
1960,0 MHz
T
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 100
Ω
(balanced) || 22 nH
min.
typ.
1960,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1930,0 ... 1990,0
Amplitude ripple
(p-p)
1930,0 ... 1990,0
Input VSWR
1930,0 ... 1990,0
Output VSWR
1930,0 ... 1990,0
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,3
2,7
dB
—
0,9
1,3
dB
—
2,0
2,4
—
2,1
2,5
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1930,0 ... 1990,0 MHz
Output amplitude balance
(|S
31
/S
21
|)
1930,0 ... 1990,0
Attenuation
10,0
1600,0
1850,0
2040,0
2200,0
2800,0
... 1600,0
... 1850,0
... 1910,0
... 2200,0
... 2800,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
-10
—
10
degree
MHz
α
-1,4
—
1,4
dB
40
30
24
25
30
40
50
35
27
29
39
47
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
3
Nov 9, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7847
1960,0 MHz
T
= -30 ... 85 ˚C
Z
S
= 50
Ω
Z
L
= 100
Ω
(balanced) || 22 nH
min.
typ.
1960,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1930,6 ... 1989,4
Amplitude ripple
(p-p)
1930,6 ... 1989,4
Input VSWR
1930,6 ... 1989,4
Output VSWR
1930,6 ... 1989,4
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,3
2,9
1)
dB
—
0,9
1,7
dB
—
2,0
2,4
—
2,1
2,5
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1930,6 ... 1989,4 MHz
Output amplitude balance
(|S
31
/S
21
|)
1930,6 ... 1989,4
Attenuation
10,0
1600,0
1850,6
2040,0
2200,0
2800,0
1
)
2
)
-10
—
10
degree
MHz
α
-1,4
—
1,4
dB
... 1600,0
... 1850,6
... 1909,4
... 2200,0
... 2800,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
40
30
24
2)
25
30
40
50
35
27
29
39
47
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
T= +15˚C to +65˚C, 3,1 dB for T= -30˚C to +85˚C
T= 0˚C to +65˚C,
20 dB for T= -30˚C to +85˚C
4
Nov 9, 2004
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7847
1960,0 MHz
T
= -30 ... 85 ˚C
Z
S
= 50
Ω
Z
L
= 100
Ω
(balanced) || 22 nH
min.
Center frequency
Maximum insertion attenuation
1930,0 ... 1990,0
Amplitude ripple
(p-p)
1930,0 ... 1990,0
Input VSWR
1930,0 ... 1990,0
Output VSWR
1930,0 ... 1990,0
MHz
—
MHz
—
typ.
1960,0
max.
—
MHz
f
C
α
max
MHz
∆α
MHz
—
—
2,3
2,9
1)
dB
—
0,9
1,9
dB
2,0
2,4
2,1
2,5
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1930,0 ... 1990,0 MHz
Output amplitude balance
(|S
31
/S
21
|)
1930,0 ... 1990,0
Attenuation
10,0
1600,0
1850,0
2040,0
2200,0
2800,0
1
)
2
)
-10
—
10
degree
MHz
α
-1,4
—
1,4
dB
... 1600,0
... 1850,0
... 1910,0
... 2200,0
... 2800,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
40
30
23
2)
25
30
40
50
35
27
29
39
47
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
T= +15˚C to +65˚C, 3,3 dB for T= -30˚C to +85˚C
T= 0˚C to +65˚C,
18 dB for T= -30˚C to +85˚C
5
Nov 9, 2004
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