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SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
B7845
881,5 MHz
Operating temperature range:
T
= -20 to +75 ?C
Terminating source impedance:
Terminating load impedance:
Z S = 50 ?
Z L = 150 ? || 82 nH (balanced)
min.
typ.
max.
Center frequency
f C
—
881,5
—
MHz
Maximum insertion attenuation
α max
869,0 ... 894,0
MHz
—
1,3
1,6
dB
Amplitude ripple (p-p)
?α
869,0 ... 894,0
MHz
—
0,6
0,8
dB
Input VSWR
869,0 ... 894,0
MHz
—
1,6
1,8
Output VSWR
869,0 ... 894,0
MHz
—
1,6
1,8
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
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
MHz
-1,0
-0,6 ... 0,0
1,0
dB
Phase balance (φ( S 31 )?φ( S 21 )+180 ? )
869,0 ... 894,0
MHz
-5
-3,0 ... 1,5
5
degree
Common mode suppression
S sc 12
869,0
824,0
1648,0
3296,0
... 894,0
... 995,0
... 1990,0
... 3980,0
MHz
MHz
MHz
MHz
20
20
22
20
26
26
40
35
—
—
—
—
dB
dB
dB
dB
4
Sep 15, 2005
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