B39192B7758E311 查看數據表（PDF） - EPCOS AG
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B39192B7758E311 Datasheet PDF : 10 Pages
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SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7758
1865,0 & 1895,0 MHz
Characteristics of Tx-filter 2
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Center frequency
T = -30 to +85 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
fc
—
typ.
1895,0
Maximum insertion attenuation
αmax
1875,0 ...1910,0 MHz
—
2,6
1880,0 ...1910,0 MHz
—
2,4
Amplitude ripple (p-p)
∆α
1875,0 ...1910,0 MHz
—
1,2
1880,0 ...1910,0 MHz
—
1,0
Input return loss
1875,0 ...1910,0 MHz
12,0
13,5
Output return loss
1875,0 ...1910,0 MHz
12,0
13,5
Attenuation
10,0
1570,0
1580,0
1955,0
1990,0
2500,0
3000,0
3760,0
3820,0
...1570,0
...1580,0
...1830,0
...1990,0
...2500,0
...3000,0
...3760,0
...3820,0
...6000,0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
32,0
40,0
35,0
48,0
25,0
30,0
40,0
48,0
30,0
36,0
25,0
30,0
20,0
25,0
20,0
25,0
14,0
19,0
Rx band suppression
1955,0
GPS band suppression
1570,0
LO suppression
2113,0
...1990,0
...1580,0
...2174,0
MHz
MHz
MHz
40,0
48,0
35,0
48,0
37,0
42,0
max.
— MHz
3,0 dB
2,7 dB
1,6 dB
1,3
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
4 Mar 18, 2003
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