3

April 19, 2010

B3907

447.70 MHz

SAW Components

SAW RF filter

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

T

= –40 ˚C to +85 ˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

@ 25 ˚C

max.

Center frequency

—

447.7

—

MHz

Maximum insertion attenuation

α

max

446.90 ...

448.50 MHz

—

3.0

3.5

dB

Amplitude ripple (p-p)

∆α

446.90 ...

448.50 MHz

—

0.4

1.8

dB

Input VSWR

446.90 ...

448.50 MHz

—

1.3

2.0

Output VSWR

446.90 ...

448.50 MHz

—

1.3

2.0

Attenuation

α

10.00 ...

393.78 MHz

55

64

—

dB

393.78 ...

437.20 MHz

45

52

—

dB

437.20 ...

441.20 MHz

28

32

—

dB

441.20 ...

443.20 MHz

7

16

—

dB

452.20 ...

458.20 MHz

5

14

—

dB

458.20 ...

473.78 MHz

30

35

—

dB

473.78 ... 1000.00 MHz

46

50

—

dB