B7720 データシートの表示（PDF） - EPCOS AG
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B7720 Datasheet PDF : 8 Pages
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SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
T = -40 to +85˚C
ZS = 50 Ω (unbalanced)
ZL = 50 Ω (balanced)
Center frequency
min.
typ.
fC
— 1960,0
Maximum insertion attenuation
αmax
1930,0 ... 1990,0 MHz
—
3,6
Amplitude ripple (p-p)
∆α
1930,0 ... 1990,0 MHz
—
1,8
Input VSWR
1930,0 ... 1990,0 MHz
—
2,0
Output VSWR
1930,0 ... 1990,0 MHz
—
2,0
Output phase balance (φ(S31)−φ(S21)+180˚)
1930,0 ... 1990,0 MHz
-15
—
Output amplitude balance (|S31/S21|)
1930,0 ... 1990,0 MHz
-3,5
—
Differential to common mode suppression Ssc12
855,0 ... 995,0 MHz
22,0
29,0
1710,0 ... 1930,0 MHz
20,0
25,0
1930,0 ... 1975,0 MHz
18,0
20,0
1975,0 ... 1990,0 MHz
16,0
18,0
3420,0 ... 3980,0 MHz
22,0
28,0
Attenuation
DC
1600,0
1830,0
2010,0
2070,0
4000,0
5000,0
... 1600,0
... 1830,0
... 1910,0
... 2070,0
... 4000,0
... 5000,0
... 6000,0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
28
33
25
28
10
11
6* *
7* *
23
25
18
20
16
19
* the insertion attenuation includes also pcb losses of typ. 0,2dB
** 8dB min. (9dB typ.) for T = -30 to +85˚C
5 Jul 3, 2003
B7720
1960,0 MHz
max.
— MHz
4,1* dB
2,5 dB
2,2
2,2
17 ˚
3,0 dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
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