5

August 31, 2009

B8766

897.5 MHz

SAW Components

SAW band–stop filter

Data Sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

T

= –30 ˚C to +85 ˚C

Terminating source impedance:

Terminating load impedance:

Matching network (element values depend on PCB layout)

min.

typ.

@ 25 ˚C

max.

Nominal center frequency

—

897.5

—

MHz

Minimum insertion attenuation

α

min

470.00 ...

862.00 MHz

—

1.3

1.6

dB

Maximum insertion attenuation

α

max

470.00 ...

750.00 MHz

—

1.8

2.0

dB

750.00 ...

798.00 MHz

—

1.7

2.0

dB

798.00 ...

858.00 MHz

—

3.4

5.0

dB

858.00 ...

862.00 MHz

—

4.1

7.0

dB

Attenuation

α

174.00 ...

230.00 MHz

37.0

40.0

—

dB

880.00 ...

915.00 MHz

26.0

41.0

—

dB

1710.00 ... 1785.00 MHz

25.0

28.0

—

dB

1920.00 ... 1980.00 MHz

30.0

34.0

—

dB

Q factor of inductors:

40 @ 770 MHz

1

2

3

4

55