SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B9401
942.50 MHz
T
= –20 to +75 ˚C
Z
S
=
50Ω
Z
L
= 150
Ω
|| 82 nH (balanced)
B9401
typ.
@ 25˚C
942.5
1.5
0.6
1.7
1.7
min.
Center frequency
Maximum insertion attenuation
925.0 ... 960.0
Amplitude ripple
(p-p)
925.0 ...
Input VSWR
925.0 ...
Output VSWR
925.0 ...
960.0
MHz
—
960.0
MHz
—
960.0
MHz
∆α
MHz
—
f
C
α
max
—
—
max.
—
2.1
1.1
2.0
2.0
MHz
dB
dB
Output amplitude balance
(|S
31
/S
21
|)
925.0 ... 960.0 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
925.0 ... 960.0 MHz
Attenuation
0.0
480.0
900.0
905.0
980.0
1000.0
1850.0
1920.0
3700.0
...
...
...
...
...
...
...
...
...
480.0
900.0
905.0
915.0
1000.0
1850.0
1920.0
3700.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
–1.0
-0.7/0.5
1.0
dB
–5
-2/+3
5
˚
45
30
25
20
25
28
40
35
40
53
34
28
24
29
32
46
43
48
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
Oct 21, 2005
EPCOS [ EPCOS ]
