3

Jun 02, 2003

SAW Components

B3646

208,0 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Nominal frequency

—

208,0

—

MHz

Maximum insertion attenuation

1,5

2,0

3,5

dB

Passband width

α

—

5,08

—

MHz

Amplitude ripple (p-p)

∆α

—

0,03

0,2

dB

Amplitude ripple (p-p)

∆α

—

0,1

1,0

dB

Absolute group delay (at

τ

—

120

300

ns

Group delay ripple (p-p)

∆τ

—

8

30

ns

Relative attenuation (relative to

α

α

rel

10,0 MHz ...

38,0

50,0

—

dB

44,0

50,0

—

dB

30,0

40,0

—

dB

0,0

2,0

—

dB

0,0

2,0

—

dB

5,0

35,0

—

dB

12,0

45,0

—

dB

1) With two 10 dbm fundamental signals at 180 MHz and 208 MHz applied the third order intermodulation product at

the output at 236 MHz will have less than -64 dBm.

45,0

—

—

dBm

VSWR

—

1,5:1

2,0:1

Temperature coefficient of frequency

—

-70

—

ppm/K