B3894 datasheet(3/6 Pages) EPCOS

3 / 6 page

Apr 05, 2004

SAW Components

B3894

210,00 MHz

Low Loss Filter for Mobile Communication

Data Sheet

Characteristics single-ended/balanced

Operating temperature:

-30 ˚C ... +80 ˚C

Terminating source impedance:

ZS = 1000 Ω || 70 nH

Terminating load impedance:

ZL = 400 Ω || 60 nH

1) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2)

min.

typ.

max.

Nominal frequency

—

210,00

—

MHz

Insertion attenuation at fN

—

8,5

10,0

(including loss in matching network without loss

in baluns)

Amplitude ripple (p-p)

∆α

fN – 0,30 ... fN + 0,30

MHz

—

0,6

1,2

Phase linearity

∆φ

(rms deviation)

fN – 0,63 ... fN + 0,63

MHz

—

2,5

3,5

Relative attenuation (relative to

fN)

rel

fN – 0,63 ... fN + 0,63

MHz

—

3,5

5,0

fN – 100,0 ... fN – 50,0

MHz

60,0

80,0

—

fN – 50,0 ... fN – 30,0

MHz

50,0

65,0

—

fN – 30,0 ... fN – 10,0

MHz

40,0

55,0

—

fN – 10,0 ... fN – 1,25

MHz

35,0

38,0

—

fN – 1,25 MHz

37,0

41,0

—

fN + 1,25 MHz

37,0

41,0

—

fN + 1,25 ... fN + 10,0

MHz

35,0

41,0

—

fN + 10,0 ... fN + 30,0

MHz

40,0

55,0

—

fN + 30,0 ... fN + 50,0

MHz

50,0

60,0

—

fN + 50,0 ... fN+100,0

MHz

60,0

70,0

—

Temperature coefficient of frequency 1)

TCf

—

–0,036

—

ppm/K2

Frequency inversion point

—30

—

˚C

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