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B7631 Datasheet, PDF (4/8 Pages) EPCOS – SAW Components Low-Loss Filter for Mobile Communication 1765 / 1855 MHz
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range
ANT terminating impedance
RX terminating impedance
TX terminating impedance
T=
ZANT =
ZRX =
ZTX =
-30 to 85˚C
50 Ω
50 Ω
50 Ω
Characteristics TX - ANT
min.
Center frequency
fc
—
Maximum insertion attenuation
αmax
1750,00 ... 1780,00 MHz
—
Amplitude ripple (p-p)
∆α
1750,00 ... 1780,00 MHz
—
Return loss
Attenuation
1750,00 ... 1780,00 MHz
8,0
α
1840,00 ... 1870,00 MHz
40
2000,00 ... 3000,00 MHz
25
B7631
1765 / 1855 MHz
typ.
max.
1765,00
—
MHz
2,1
2,5 dB
0,8
1,5 dB
10,0
— dB
43
— dB
32
— dB
Characteristics ANT - RX
min.
Center frequency
fc
—
Maximum insertion attenuation
αmax
1840,00 ... 1870,00 MHz
—
Amplitude ripple (p-p)
∆α
1840,00 ... 1870,00 MHz
—
Return loss
Attenuation
1840,00 ... 1870,00 MHz
9,0
α
1750,00 ... 1780,00 MHz
52
2000,00 ... 3000,00 MHz
35
typ.
max.
1855,00
—
MHz
2,7
3,5 dB
0,5
1,3 dB
10,0
— dB
55
— dB
43
— dB
Characteristics TX - RX
Isolation between TX and RX path
α
1750,00 ... 1780,00 MHz
1840,00 ... 1870,00 MHz
min.
54
42
typ.
max.
55
— dB
44
— dB
4 Jan 14, 2004