SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
B7851
1960,0 MHz
T
= 25˚C
Z
S
= 50Ω
Z
L
= 150Ω || 16nH (balanced)
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
—
—
1,4
2,1
dB
—
0,5
1,0
dB
—
1,7
2,0
—
1,6
2,0
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
0,0
1510,0
1830,0
1850,0
1890,0
2010,0
2070,0
2400,0
2500,0
3860,0
3980,0
5790,0
... 1510,0
... 1830,0
... 1850,0
... 1890,0
... 1910,0
... 2070,0
... 2400,0
... 2500,0
... 3860,0
... 3980,0
... 5790,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
-10
-2/3
10
degree
MHz
α
-1,0
-0,5/0,5
1,0
dB
40
30
26
23
13
13
23
35
28
45
28
40
43
35
30
28
18
15
26
48
35
54
48
58
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Jan 12, 2005
EPCOS [ EPCOS ]
