B8764 Datasheet, PDF (3/8 Pages) EPCOS – SAW band-stop filter DVB-H

SAW Components
SAW band-stop filter
Data Sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
Nominal center frequency
B8764
836.5 / 897.5 MHz
T = +25 ˚C ± 2 ˚C
Z_S = 50 Ω and matching network
Z_L = 50 Ω and matching network
min.
typ.
@ 25 ˚C
max.
f_N
—
836.5
897.5
—
MHz
Minimum insertion attenuation
α_min
470.00 ... 750.00 MHz
—
1.1
1.3 dB
Maximum insertion attenuation
α_max
470.00 ... 726.00 MHz
—
726.00 ... 750.00 MHz
—
1.7
2.0 dB
2.4
2.6 dB
Attenuation
α
47.00 ... 68.00 MHz
174.00 ... 230.00 MHz
824.00 ... 849.00 MHz
880.00 ... 915.00 MHz
1400.00 ... 1710.00 MHz
1710.00 ... 1785.00 MHz
1920.00 ... 1980.00 MHz
28.0
31.0
—
dB
15.0
17.0
—
dB
35.0
37.0
—
dB
38.0
41.0
—
dB
23.0
27.0
—
dB
36.0
41.0
—
dB
44.0
49.0
—
dB
Group delay ripple (p-p)
∆τ
470.00 ... 750.00 MHz
—
4
—
ns
Matching network (element values depend on PCB layout)
L_p2
L_s1
2
3
L_s3
1
4
L_s1 = 20 nH
L_p2 = 36 nH
L_s3 = 20 nH
Q factor of inductors:
40 @ 770 MHz
Please read cautions and warnings and
important notes at the end of this document.
3 August 03, 2010