3

Aug 20, 2001

SAW Components

B4841

440,00 MHz

Low-Loss Filter for Mobile Communication

Data Sheet

Characteristics for balanced operation

Operating temperature range:

T

= -20 to 70 ˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Nominal frequency

—

440,0

—

MHz

Minimum insertion attenuation

α

min

including losses in matching network

—

4,6

5,5

dB

including losses in matching network and balun

—

5,7

6,5

dB

Amplitude ripple in passband (p-p)

∆α

67,0 kHz

—

0,4

2,0

dB

80,0 kHz

—

0,5

3,0

dB

Group delay ripple (p-p)

∆τ

80,0 kHz

—

0,6

1,5

µs

Relative attenuation (relative to

α

α

rel

1,60 MHz

55

62

—

dB

0,80 MHz

38

46

—

dB

0,60 MHz

32

55

—

dB

0,40 MHz

18

33

—

dB

0,60 MHz

18

28

—

dB

0,80 MHz

32

40

—

dB

1,60 MHz

38

47

—

dB

55

60

—

dB

Impedance within the passband

Input:

=

||

—

360 || 1,5

—

Ω || pF

Output:

—

340 || 1,7

—

Ω || pF

—

-0,036

—

Turnover temperature

—25

—

˚C