B9304 查看數據表（PDF） - EPCOS AG
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B9304 Datasheet PDF : 12 Pages
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SAW Components
SAW Rx 2in1 filter
Data sheet
Characteristics of Filter 2 (GSM900)
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9304
881.5 & 942.5 MHz MHz
T = –10 ˚C to +85 ˚C
ZS = 50 Ω
ZL = 100 Ω
Center frequency
min. typ. max.
@ 25 ˚C
fC
— 942.5 — MHz
Maximum insertion attenuation
αmax
925.0 ... 960.0 MHz
—
Amplitude ripple (p-p)
∆α
925.0 ... 960.0 MHz
—
Input VSWR
925.0 ... 960.0 MHz
—
Output VSWR
925.0 ... 960.0 MHz
—
1.8
2.61) dB
1.1
1.7 dB
1.9
2.3
2.0
2.4
Output amplitude balance (|S31/S21|)
925.0 ... 960.0 MHz
Output phase balance (φ(S31) – φ(S21)+180˚)
925.0 ... 960.0 MHz
Common mode suppression
925.0 ... 960.0
824.0 ... 995.0
1648.0 ... 1990.0
3296.0 ... 3980.0
Scs21
MHz
MHz
MHz
MHz
Inter band isolation
α
869.0 ... 894.0 MHz
Attenuation
α
0.3 ... 480.0 MHz
480.0 ... 880.0 MHz
880.0 ... 905.0 MHz
905.0 ... 915.0 MHz
980.0 ... 1850.0 MHz
1850.0 ... 1920.0 MHz
1920.0 ... 2400.0 MHz
2400.0 ... 2500.0 MHz
2500.0 ... 6000.0 MHz
6000.0 ... 12750.0 MHz
1) 3.3 dB max. at -30 ˚C ... -10 ˚C and 85 ˚C ... 95 ˚C
–1.2 –0.7/0.7 1.2 dB
–5 –2.0/2.0 5 ˚
20
27
— dB
20
25
— dB
20
47
— dB
20
35
— dB
35
40
— dB
45
54
— dB
30
33
— dB
23
32
— dB
18
20
— dB
23
30
— dB
30
47
— dB
25
45
— dB
40
45
— dB
30
40
— dB
20
26
— dB
Please read cautions and warnings and
important notes at the end of this document.
7 April 24, 2006
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