3

Sep 19, 2005

SAW Components

B5034

456,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

T = -30 ... +85 ˚C

Terminating source impedance:

50

Ω single ended and matching network

Terminating load impedance:

50

Ω single ended and matching network

Matching network to 50

Ω(Element values depend on PCB layout)

min.

typ.

max.

Nominal frequency

—

456,00

—

MHz

Minimum insertion attenuation

α

min

(including matching network)

—

6,8

9,0

dB

Amplitude ripple (p-p)

∆α

—

0,4

1,3

dB

Group delay ripple (p-p)

∆τ

—

75

250

ns

Impulse response attenuation (Time/Height val-

ues are relative to the main time response lobe)

> 3

µs30

55

—

dB

Relative attenuation (relative to

α

α

rel

365 MHz ... 371 MHz

40

48

—

dB

412 MHz

45

57

—

dB

412 MHz ... 450,0 MHz

40

48

—

dB

35

45

—

dB

1) A narrow response around 550 MHz of up to 37 dB is possible

40

50

—

dB

Temperature coefficient of frequency

—

–18

—

ppm/K

Ls2

Cp1

Lp3

Ls5

Lp4

Cp6