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B4231 Datasheet(PDF) 7 Page - EPCOS

Part # B4231
Description  SAW Components SAW Rx 2in1 Filter 860.5 / 938.0 MHz
PDF  12 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B4231 Datasheet(HTML) 7 Page - EPCOS

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7
Apr 10, 2006
B4231
860.5 / 938.0 MHz
SAW Components
SAW Rx 2in1 Filter
Preliminary Data
Please read
cautions and warnings and
important notes at the end of this document.
Characteristics of Filter 2
Operating temperature range:
T
=
-30 ... +70 ˚C
Terminating source impedance:
ZS =50 Ω
Terminating load impedance:
ZL =50 Ω
B4231 1)
1) Values in columns min, typ and max indicate the development status of the current version.
DGL 2)
2) Values in column DesignGoal (DGL) indicate the target performance.
3) 2.5 dB max at 25
˚C.
min.
typ.
@25 ˚C
max.
min./
max.
Center frequency
fC
—
938.0
—
MHz
Maximum insertion attenuation
α
max
935.0 ...
941.0
MHz
—
1.8
3.0 3)
dB
Amplitude ripple (p-p)
∆α
935.0 ...
941.0
MHz
—
0.1
1.0
dB
Group delay ripple (p-p)
∆τ
935.0 ...
941.0
MHz
—
2
50
ns
Input return loss
935.0 ...
941.0
MHz
12.0
21.0
—
dB
Output return loss
935.0 ...
941.0
MHz
12.0
21.0
—
dB
Attenuation
α
0.1 ...
756.0
MHz
50
54
—
dB
756.0 ...
762.0
MHz
49
53
—
dB
806.0 ...
824.0
MHz
25
51
—
dB
824.0 ...
845.0
MHz
35
50
—
dB
845.0 ...
852.0
MHz
42
50
—
dB
852.0 ...
894.0
MHz
35
47
—
dB
896.0 ...
902.0
MHz
25
47
—
dB
1024.0 ... 1031.0
MHz
42
48
—
dB
1113.0 ... 1121.0
MHz
43
47
—
45
dB
1870.0 ... 1882.0
MHz
33
39
—
dB
1882.0 ... 3600.0
MHz
30
36
—
dB
3600.0 ... 4000.0
MHz
24
28
—
25
dB



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