SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range
ANT terminating impedance
RX terminating impedance
TX terminating impedance
Characteristics TX - ANT
Center frequency
Maximum insertion attenuation
B7631
1765 / 1855 MHz
T
Z
ANT
Z
RX
Z
TX
=
=
=
=
25 + 2˚C
50
Ω
50
Ω
50
Ω
min.
typ.
1765,00
2,0
0,6
10,0
43
32
max.
—
2,3
1,2
—
—
—
MHz
dB
dB
dB
dB
dB
f
c
α
max
—
—
1750,00 ... 1780,00 MHz
Amplitude ripple
(p-p)
∆α
1750,00 ... 1780,00 MHz
Return loss
—
8,0
α
40
25
1750,00 ... 1780,00 MHz
Attenuation
1840,00 ... 1870,00 MHz
2000,00 ... 3000,00 MHz
Characteristics ANT - RX
Center frequency
Maximum insertion attenuation
min.
typ.
1855,00
2,6
0,4
10,0
56
43
max.
—
3,3
1,0
—
—
—
MHz
dB
dB
dB
dB
dB
f
c
α
max
—
—
1840,00 ... 1870,00 MHz
Amplitude ripple
(p-p)
∆α
1840,00 ... 1870,00 MHz
Return loss
—
9,0
α
52
35
1840,00 ... 1870,00 MHz
Attenuation
1750,00 ... 1780,00 MHz
2000,00 ... 3000,00 MHz
Characteristics TX - RX
Isolation between TX and RX path
α
min.
55
43
typ.
59
45
max.
—
—
dB
dB
1750,00 ... 1780,00 MHz
1840,00 ... 1870,00 MHz
3
Jan 14, 2004
EPCOS [ EPCOS ]
