B7721 Datasheet, PDF (3/6 Pages) EPCOS – Low-Loss Filter for Mobile Communication

SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B7721
942,5 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Center frequency
T = 25 ± 2 ˚C
Z_S = 50 Ω
Z_L = 200 Ω || 68 nH
min.
f_C
—
typ.
942,5
max.
—
MHz
Maximum insertion attenuation
α_max
925,0 ... 960,0 MHz
—
2,4
2,8 dB
Amplitude ripple (p-p)
∆α
925,0 ... 960,0 MHz
—
1,1
1,5 dB
Input VSWR
925,0 ... 960,0 MHz
—
2,2
2,4
Output VSWR
925,0 ... 960,0 MHz
—
2,0
2,4
Output phase balance φ(S₃₁)−φ(S₂₁)
925,0 ... 960,0 MHz
-5
—
5 degree
Output amplitude balance (|S₃₁/S₂₁|)
925,0 ... 960,0 MHz
-0,5
—
0,5 dB
Diff. to common mode suppression
S_sc12
925,0 ... 960,0 MHz
20
38
— dB
824,0 ... 995,0 MHz
20
29
— dB
1648,0 ... 1990,0 MHz
20
50
— dB
3296,0 ... 3980,0 MHz
20
31
— dB
Attenuation
α
0,0 ... 880,0 MHz
50
64
— dB
880,0 ... 905,0 MHz
30
39
— dB
905,0 ... 915,0 MHz
20
26
— dB
980,0 ...1050,0 MHz
23
30
— dB
1050,0 ...1850,0 MHz
50
70
— dB
1850,0 ...1920,0 MHz
50
72
— dB
1920,0 ...2880,0 MHz
50
64
— dB
2880,0 ...4000,0 MHz
40
66
— dB
4000,0 ...6000,0 MHz
40
66
— dB
3 Oct 25, 2002