3

Dec 01, 2004

SAW Components

B3790

433,92 MHz

Low-loss Filter

Data Sheet

Characteristics

Reference temperature:

Terminating source impedance:

Terminating load impedance:

source- and to load impedance (here 50 Ohm). After the SAW filter is removed and input imped-

ance into the input matching / output matching network is calculated.

The conjugate complex value of these characteristic impedances are the input and output imped-

ances for flat passband. For more details, we refer to EPCOS application note #4.

min.

typ.

max.

Center frequency

—

433,92

—

MHz

(center frequency between 3 dB points)

Minimum insertion attenuation

α

min

(including losses in matching network)

433,86 ... 433,98 MHz

—

3,6

4,3

dB

Pass band (relative to

α

433,86 ... 433,98 MHz

—

0,5

1,5

dB

Relative attenuation (relative to

α

α

rel

10,00 ... 250,00 MHz

60

65

—

dB

250,00 ... 330,00 MHz

53

58

—

dB

330,00 ... 430,00 MHz

55

60

—

dB

430,00 ... 433,32 MHz

32

48

—

dB

434,52 ... 437,00 MHz

29

34

—

dB

437,00 ... 530,00 MHz

55

60

—

dB

530,00 ...1000,00 MHz

60

65

—

dB

Input:

=

||

—

510 || 1,0

—

Ω || pF

Output:

—

510 || 1,0

—

Ω || pF