SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B7721
942,5 MHz
T
= 25
±
2 ˚C
Z
S
= 50
Ω
Z
L
= 200
Ω
|| 68 nH
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
Output phase balance
φ(S
31
)−φ(S
21
)
925,0 ... 960,0
Output amplitude balance
(|S
31
/S
21
|)
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
Attenuation
0,0 ... 880,0
880,0 ... 905,0
905,0 ... 915,0
980,0 ...1050,0
1050,0 ...1850,0
1850,0 ...1920,0
1920,0 ...2880,0
2880,0 ...4000,0
4000,0 ...6000,0
MHz
MHz
MHz
f
C
α
max
MHz
∆α
—
—
2,4
2,8
dB
—
1,1
1,5
dB
—
2,2
2,4
—
2,0
2,4
MHz
-5
—
5
degree
MHz
S
sc12
MHz
MHz
MHz
MHz
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
-0,5
—
0,5
dB
20
20
20
20
50
30
20
23
50
50
50
40
40
38
29
50
31
64
39
26
30
70
72
64
66
66
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
3
Oct 25, 2002
EPCOS [ EPCOS ]
