SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7837
942,5 MHz
T
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 150
Ω
|| 82 nH (balanced)
min.
typ.
942,5
max.
—
MHz
Center frequency
Maximum insertion attenuation
925,0 ... 960,0
Amplitude ripple
(p-p)
925,0 ... 960,0
Input VSWR
925,0 ... 960,0
Output VSWR
925,0 ... 960,0
Attenuation
0,0
480,0
905,0
980,0
1000,0
1850,0
... 480,0 MHz
... 905,0 MHz
... 915,0 MHz
...1000,0 MHz
...1850,0MHz
...6000,0MHz
MHz
MHz
MHz
f
C
α
max
MHz
∆α
—
—
1,4
1,7
dB
—
0,7
1,0
dB
—
1,8
2,0
—
1,8
2,0
45
30
25
25
28
40
53
34
27
29
38
44
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Amplitude balance
(|S
31
/S
21
|)
925,0 ... 960,0
phase balance
(φ(S
31
)−φ(S
21
)+180˚)
925,0 ... 960,0
Diff. to common mode suppression
925,0 ... 960,0
824,0 ... 995,0
1648,0 ... 1990,0
3296,0 ... 3980,0
MHz
-1,0
-0,5 / +0,7
1,0
dB
MHz
S
sc12
MHz
MHz
MHz
MHz
-5
-3 / +2
5
degree
22
22
22
20
29
29
45
48
—
—
—
—
dB
dB
dB
dB
3
Mar 31 2004
EPCOS [ EPCOS ]
