B7631 Datasheet, PDF (3/8 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=
Z_ANT =
Z_RX =
Z_TX =
25 + 2˚C
50 Ω
50 Ω
50 Ω
Characteristics TX - ANT
min.
Center frequency
f_c
—
Maximum insertion attenuation
α_max
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
2,0
2,3 dB
0,6
1,2 dB
10,0
— dB
43
— dB
32
— dB
Characteristics ANT - RX
min.
Center frequency
f_c
—
Maximum insertion attenuation
α_max
1840,00 ... 1870,00 MHz
—
Amplitude ripple (p-p)
∆α
1840,00 ... 1870,00 MHz
—
Return loss
1840,00 ... 1870,00 MHz
9,0
Attenuation
α
1750,00 ... 1780,00 MHz
52
2000,00 ... 3000,00 MHz
35
typ.
max.
1855,00
—
MHz
2,6
3,3 dB
0,4
1,0 dB
10,0
— dB
56
— dB
43
— dB
Characteristics TX - RX
Isolation between TX and RX path
α
1750,00 ... 1780,00 MHz
1840,00 ... 1870,00 MHz
min.
55
43
typ.
max.
59
— dB
45
— dB
3 Jan 14, 2004