B9431 查看數據表（PDF） - EPCOS AG
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B9431 Datasheet PDF : 8 Pages
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SAW Components
SAW Tx Filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –15 ˚C to +80 ˚C
ZS = 50 Ω
ZL = 50 Ω
B9431
897.5 MHz
Center frequency
Maximum insertion attenuation
880.0 ... 915.0
Amplitude ripple (p-p)
880.0 ... 915.0
Input VSWR
880.0 ... 915.0
Output VSWR
880.0 ... 915.0
fC
αmax
MHz
∆α
MHz
MHz
MHz
min.
—
typ.
@ 25˚C
897.5
max.
—
MHz
—
1.9 2.5 1) dB
—
0.8 1.5 2) dB
—
1.75
2.0
—
1.7
2.0
Attenuation
10.0 ... 800.0
800.0 ... 860.0
860.0 ... 870.0
925.0 ... 935.0
935.0 ... 1805.0
1805.0 ... 3660.0
3660.0 ... 6000.0
1) 3.0 dB max. at –30 ˚Cto+85 ˚C
2) 2.0 dB max. at –30 ˚Cto+85 ˚C
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
45
48
— dB
25
39
— dB
12
24
— dB
8
15
— dB
25
36
— dB
30
46
— dB
15
48
— dB
Please read cautions and warnings and
important notes at the end of this document.
3 Jan 25, 2007
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