SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
B3881
168,96 MHz
T = 0 .. +85 ˚C
ZS=50 Ω single ended and matching network
ZS=50 Ω single ended and matching network
min.
typ.
max.
fN
—
168,96
— MHz
Minimum insertion attenuation
(including matching network)
αmin
—
18,5
20,5 dB
Passband width
αrel ≤ 1 dB
αrel ≤ 2 dB
αrel ≤ 40 dB
B1dB
—
B2dB
—
B40dB
—
14,1
14,5
17,1
— MHz
— MHz
— MHz
Amplitude ripple (p-p)
∆α
fN ± 6,67 MHz
—
0,6
0,9 dB
Group delay ripple (p-p)
∆τ
fN ± 6,67 MHz
—
80
120 ns
Phase Linearity1) (rms)
∆ϕ
fN ± 1,92 MHz
—
fN - 5,0 MHz ± 1,92 MHz
—
fN + 5,0 MHz ± 1,92 MHz
—
fN + k*1,25 MHz ± 0,6144 MHz
—
Average Error Vector Magnitude 1)
EVM
0,5
1,0
1,5
2,5
0,9
1,5
0,7
1,3
fN ± 1,92 MHz
—
1,3
3,0
fN - 5,0 MHz ± 1,92 MHz
—
3,0
4,5
fN + 5,0 MHz ± 1,92 MHz
—
2,5
4,0
fN + k*1,25 MHz ± 0,6144 MHz
—
1,8
4,0
Relative attenuation (relative to αmin)
αrel
fN − 7,5 MHz ... fN − 17,5 MHz
2
4
—
fN + 7,5 MHz ... fN + 17,5 MHz
1,5
4
—
fN ± 17,5 MHz ... fN ± 21,5 MHz
41
45
—
fN ± 21,5 MHz ... fN ± 25,5 MHz
43
48
—
fN ± 25,5 MHz ... fN ± 66,0 MHz
45
50
—
fN ± 66,0 MHz ... fN ± 111,0 MHz
40
45
—
Temperature coefficient of frequency
TCf
—
– 18
—
1) Phase Linearity/Average Error Vector Magnitude:where k = (-5, -4 .... +5)
˚
˚
˚
˚
%
%
%
%
dB
dB
dB
dB
dB
dB
ppm/K
4 Jun 25, 2004