SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7825
1960,0 MHz
T
= 25˚C
±
2 ˚C
Z
S
= 50
Ω
Z
L
= 150
Ω
(balanced) || 18 nH
min.
typ.
1960,0
max.
—
MHz
Center frequency
Maximum insertion attenuation
1930,0 ... 1990,0
Amplitude ripple
(p-p)
1930,0 ... 1990,0
Input VSWR
1930,0 ... 1990,0
Output VSWR
1930,0 ... 1990,0
MHz
MHz
f
C
α
max
MHz
∆α
MHz
—
—
1,9
2,7
dB
—
0,5
1,5
dB
—
1,6
2,2
—
1,6
2,2
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1930,0 ... 1990,0 MHz
Output amplitude balance
(|S
31
/S
21
|)
1930,0 ... 1990,0
Attenuation
10,0
1000,0
1830,0
2010,0
2070,0
2120,0
3000,0
... 1000,0
... 1830,0
... 1910,0
... 2070,0
... 2120,0
... 3000,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
-10
-7 / +7
10
degree
MHz
α
-1,5
-0,9 / +0,9
1,5
dB
45
25
15
14
24
28
40
59
33
18
17
30
31
53
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
3
Oct 10, 2003
EPCOS [ EPCOS ]
