SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7749
1842,5 MHz
T
= -10 to +80 ˚C
Z
S
= 50
Ω
Z
L
= 200
Ω
(balanced) || 18 nH
min.
typ.
1842,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
1805,0 ... 1880,0
Amplitude ripple
(p-p)
1805,0 ... 1880,0
Input VSWR
1805,0 ... 1880,0
Output VSWR
1805,0 ... 1880,0
Diff. to common mode suppression
1805,0 ... 1880,0
855,0 ... 995,0
1710,0 ... 1990,0
3420,0 ... 3980,0
Attenuation
0,0
1205,0
1705,0
1920,0
1980,0
2100,0
3000,0
... 1205,0
... 1705,0
... 1785,0
... 1980,0
... 2100,0
... 3000,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
3,0
3,5
dB
—
1,5
2,0
dB
—
2,3
2,5
—
S
sc12
2,0
2,2
MHz
MHz
MHz
MHz
α
—
—
—
—
22
28
22
34
—
—
—
—
dB
dB
dB
dB
40
30
10
10
20
30
40
43
32
12
19
23
36
44
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
4
Sep 25, 2002
EPCOS [ EPCOS ]
