3

Sept 6, 2002

SAW Components

B4944

181,80 MHz

Low-Loss Filter for Mobile Communication

Data Sheet

Characteristics (with matching inductor)

Operating temperature range:

T

= -30 to + 85˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Center frequency

—

181,44

—

MHz

Maximum insertion attenuation

α

max

181,785... 181,815 MHz

—

1,6

2,0

dB

Amplitude ripple (p-p)

∆α

181,785... 181,815 MHz

—

0,1

0,2

dB

Attenuation

α

50,0

... 164,0

MHz

37,0

45,0

—

dB

198,0

... 201,0

MHz

25,0

30,0

—

dB

201,0

... 320,0

MHz

37,0

45,0

—

dB

360,0

... 550,0

MHz

30,0

50,0

—

dB

1570,0

...1580,0

MHz

30,0

34,0

—

dB

1700,0

...2400,0

MHz

30,0

34,0

—

dB

1800,0

...1818,0

MHz

33,0

36,0

—

dB

4000,0

...4400,0

MHz

15,0

20,0

—

dB