B9308 데이터 시트보기 (PDF) - EPCOS AG
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B9308 Datasheet PDF : 10 Pages
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SAW Components
SAW Rx 2in1 filter
Data sheet
Characteristics of Filter 1 ( GSM 1800)
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9308
942.5 / 1842.5 MHz
T = -20 ˚C to +85 ˚C
ZS = 50 Ω
ZL = 150 Ω || 15 nH (balanced)
Center frequency
Maximum insertion attenuation
1805.0 ... 1880.0
Amplitude ripple (p-p)
1805.0 ... 1880.0
Input VSWR
1805.0 ... 1880.0
Output VSWR
1805.0 ... 1880.0
fC
αmax
MHz
∆α
MHz
MHz
MHz
min.
—
—
—
—
—
typ.
@25˚C
1842.5
max.
—
MHz
1.61) 2.32) dB
0.7 1.33) dB
1.8
2.2
1.7
2.2
Output amplitude balance (|S31/S21|)
1805.0 ... 1880.0 MHz
Output phase balance (φ(S31)−φ(S21)+180˚)
1805.0 ... 1880.0 MHz
Attenuation
10.0 ... 902.0
902.0 ... 940.0
940.0 ... 1705.0
1705.0 ... 1785.0
1920.0 ... 1980.0
1980.0 ... 2030.0
2030.0 ... 2400.0
2400.0 ... 2500.0
2500.0 ... 2775.0
2775.0 ... 2880.0
2880.0 ... 3610.0
3610.0 ... 3760.0
3760.0 ... 5415.0
5415.0 ... 5640.0
5640.0 ... 6000.0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
1) Typical value excluding PCB losses of 0.27 dB.
2) 2.1 dB at 25 ˚C.
3) 1.0 dB at 25 ˚C.
4) 14 dB at 25 ˚C.
–1.0 -0.5/0.7 1.0 dB
–10 -3/+3 10 ˚
45
52
45
52
28
36
124)
18
17
22
25
30
28
34
32
38
28
32
38
58
28
54
38
56
28
48
35
48
28
48
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
Please read cautions and warnings and
important notes at the end of this document.
3 August 15, 2006
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