3

Feb 03, 2005

SAW Components

B4846

225,0 MHz

Low-Loss Filter for Mobile Communication

Data Sheet

Characteristics

Operating temperature range:

T

= 25 ˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Nominal frequency

—

225,01

—

MHz

Minimum insertion attenuation

α

min

3,0

3,9

4,5

dB

(including loss in baluns and matching elements)

Amplitude ripple (p-p)

∆α

...

—

0,6

1,6

dB

...

—

0,7

3,0

dB

Group delay ripple (p-p)

∆τ

...

—

0,2

1,3

µs

...

—

0,3

1,5

µs

...

—

0,6

1,8

µs

Relative attenuation (relative to

α

α

rel

42

45

—

dB

...

42

46

—

dB

...

36

37

—

dB

...

26,5

29

—

dB

...

6,5

12

—

dB

...

6,5

12

—

dB

...

26,5

29

—

dB

...

36

37

—

dB

...

43

47

—

dB

...

42

45

—

dB

Impedance within the passband

Input:

=

||

—

860 || 2,0

—

Ω || pF

Output:

—

860 || 2,0

—

Ω || pF

—

-0,036

—

Frequency inversion point

—25

—

˚C