B4308 データシートの表示（PDF） - EPCOS AG
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B4308 Datasheet PDF : 8 Pages
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SAW Components
SAW Rx filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –40 ˚C to +85 ˚C
ZS = 50 Ω
ZL = 100 Ω (balanced)
B4308
1575.42 MHz
Center frequency
min.
typ.
max.
@ 25 ˚C
fC
— 1575.42 — MHz
Maximum insertion attenuation
αmax
1574.42 ... 1576.42 MHz
—
1.3
1.8 dB
Amplitude ripple (p-p)
∆α
1574.42 ... 1576.42 MHz
—
0.2
0.6 dB
VSWR
1574.42 ... 1576.42 MHz
—
1.4
2.0
CMRR (|S21-S31| / |S21+S31|)
1574.42 ... 1576.42 MHz
191)
24
— dB
Attenuation
α
100.0 ... 960.0 MHz
52
65
— dB
960.0 ... 1475.0 MHz
48
55
— dB
1475.0 ... 1515.0 MHz
30
36
— dB
1515.0 ... 1529.0 MHz
23
29
— dB
1625.0 ... 1635.0 MHz
25
36
— dB
1635.0 ... 1675.0 MHz
30
37
— dB
1675.0 ... 1850.0 MHz
37
44
— dB
1850.0 ... 1910.0 MHz
1910.0 ... 1990.0 MHz
1990.0 ... 2400.0 MHz
40
50
— dB
44
51
— dB
34
44
— dB
1) A CMRR of 19.6 dB corresponds to a phase imbalance of +/-10˚ together with an amplitude imbalance of
+/- 1.0 dB.
Please read cautions and warnings and
important notes at the end of this document.
3 September 27, 2011
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