B3894 Просмотр технического описания (PDF) - EPCOS AG
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B3894 Datasheet PDF : 6 Pages
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SAW Components
Low Loss Filter for Mobile Communication
Data Sheet
Characteristics single-ended/balanced
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = -30 ˚C ... +80 ˚C
ZS = 1000 Ω || 70 nH
ZL = 400 Ω || 60 nH
Nominal frequency
min.
typ.
fN
—
210,00
B3894
210,00 MHz
max.
— MHz
Insertion attenuation at fN
αfN
—
(including loss in matching network without loss
in baluns)
8,5
10,0 dB
Amplitude ripple (p-p)
fN – 0,30 ... fN + 0,30
∆α
MHz
Phase linearity
(rms deviation)
fN – 0,63 ... fN + 0,63
∆φ
MHz
Relative attenuation (relative to αfN)
αrel
fN – 0,63 ... fN + 0,63 MHz
fN – 100,0 ... fN – 50,0
fN – 50,0 ... fN – 30,0
fN – 30,0 ... fN – 10,0
fN – 10,0 ... fN – 1,25
fN – 1,25
fN + 1,25
fN + 1,25 ... fN + 10,0
fN + 10,0 ... fN + 30,0
fN + 30,0 ... fN + 50,0
fN + 50,0 ... fN+100,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
—
0,6
—
2,5
—
3,5
60,0
80,0
50,0
65,0
40,0
55,0
35,0
38,0
37,0
41,0
37,0
41,0
35,0
41,0
40,0
55,0
50,0
60,0
60,0
70,0
1,2 dB
3,5 ˚
5,0 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
—
30
— ˚C
1) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2)
3 Apr 05, 2004
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