SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7845
881,5 MHz
T
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 150
Ω
|| 82 nH (balanced)
min.
typ.
881,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
869,0 ... 894,0
Amplitude ripple
(p-p)
869,0 ... 894,0
Input VSWR
869,0 ... 894,0
Output VSWR
869,0 ... 894,0
Attenuation
0,0
434,0
447,0
914,0
1000,0
1738,0
... 434,0
... 447,0
... 849,0
...1000,0
...1738,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
—
—
1,2
1,5
dB
—
0,4
0,6
dB
—
1,5
1,8
—
1,5
1,8
45
45
30
26
28
40
54
52
35
29
38
46
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Amplitude balance
(|S
31
/S
21
|)
869,0 ... 894,0
Phase balance
(φ(S
31
)−φ(S
21
)+180˚)
869,0 ... 894,0
Common mode suppression
869,0
824,0
1648,0
3296,0
MHz
-1,0
-0,5 ... 0,0
1,0
dB
MHz
S
sc12
-5
-3,0 ... 1,5
5
degree
... 894,0
... 995,0
... 1990,0
... 3980,0
MHz
MHz
MHz
MHz
20
20
22
20
26
26
40
35
—
—
—
—
dB
dB
dB
dB
3
Sep 15, 2005
EPCOS [ EPCOS ]
