3

Sep 05, 2003

SAW Components

B3897

70,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

T

= -20 to 80 ˚C

Terminating source impedance:

Terminating load impedance:

Matching network (Element values depend upon PCB layout)

min.

typ.

max.

Nominal frequency

—

70,0

—

MHz

α

N

—

6,3

8,0

dB

(including matching network)

Passband width

α

3,5

4,7

—

MHz

Amplitude ripple (p-p)

∆α

—

0,5

1,0

dB

Phase ripple (p-p)

∆ϕ

—

3,0

7,0

˚

Absolute group delay (@

τ

—

1,47

—

µs

Group delay ripple (p-p)

∆τ

—

110

175

ns

Relative attenuation (relative to

α

α

rel

40

45

—

dB

37

40

—

dB

Temperature coefficient of frequency

—

-87

—

ppm/K

1:1

1:1