B4236 Datasheet, PDF (3/9 Pages) EPCOS – SAW Components Low-Loss ’2 in 1’ Filter for Mobile Communication 769,0/809,5 MHz

SAW Components
Low-Loss ’2 in 1’ Filter for Mobile Communication
Preliminary Data
Characteristics filter 1
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = 25 ± 2 ˚C
Z_S = 50 Ω
Z_L = 50 Ω
B4236
769,0/809,5 MHz
Nominal frequency
f_N
Maximum insertion attenuation
α_max
794,0 ... 825,0 MHz
Amplitude ripple (p-p)
∆α
794,0 ... 825,0 MHz
Group delay ripple (p-p)
∆τ
794,0 ... 825,0 MHz
Return loss (Input and Output)
794,0 ... 825,0 MHz
Absolute attenuation
α_abs
0,0
851,0
1564,5
2326,5
... 777,0
...1564,5
...1594,5
...2371,5
MHz
MHz
MHz
MHz
min.
—
—
—
—
8,0
20
20
30
36
typ.
809,5
2,3
0,9
27,0
9,0
28
39
43
41
max.
— MHz
2,8 dB
1,4 dB
50,0 ns
— dB
— dB
— dB
— dB
— dB
Temperature coefficient of frequency
TC_f
—
– 36
— ppm/K
3 Oct 14, 2005