B3892 Ver la hoja de datos (PDF) - EPCOS AG
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B3892 Datasheet PDF : 6 Pages
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SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
B3892
248,6 MHz
T = -5 ˚C to 75 ˚C
ZS = 50 Ω and matching network
ZL = 50 Ω and matching network
min.
typ.
max.
fN
—
248,6
— MHz
Minimum insertion attenuation
(including losses in matching network)
αmin
—
4,7
6,0 dB
Passband width
αrel ≤ 3,0 dB
B3,0dB
—
Amplitude ripple (p-p)
∆α
fN ± 100,0 kHz
—
Group delay ripple (p-p)
∆τ
fN ± 100,0 kHz
—
Relative attenuation (relative to αmin)
αrel
fN ± 0,33 MHz ... fN ± 0,60 MHz
12
fN ± 0,60 MHz ... fN ± 0,80 MHz
25
fN ± 0,80 MHz ... fN ± 1,60 MHz
45
10,0 MHz
... fN - 29,20 MHz
55
fN - 29,20 MHz ... fN - 1,60 MHz
48
fN + 1,60 MHz ... fN + 100,0 MHz
48
@ fN + 22,80 MHz
55
@ fN + 52,00 MHz
55
@ fN + 74,80 MHz
55
@ fN + 104,0 MHz
55
@ fN + 126,8 MHz
55
430
0,5
0,6
15
37
50
70
55
60
60
65
65
65
65
— kHz
1,0 dB
0,7 µs
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
Temperature coefficient of frequency 1)
Frequency inversion point
TCf
—
–0,036
— ppm/K2
T0
—
35
— ˚C
1) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2)
3 Jul 16, 2004
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