3

Oct 14, 2005

SAW Components

B4236

769,0/809,5 MHz

Low-Loss ’2 in 1’ Filter for Mobile Communication

Preliminary Data

Characteristics filter 1

Operating temperature range:

T

= 25

± 2 ˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Nominal frequency

—

809,5

—

MHz

Maximum insertion attenuation

α

max

794,0

... 825,0

MHz

—

2,3

2,8

dB

Amplitude ripple (p-p)

∆α

794,0

... 825,0

MHz

—

0,9

1,4

dB

Group delay ripple (p-p)

∆τ

794,0

... 825,0

MHz

—

27,0

50,0

ns

Return loss (Input and Output)

794,0

... 825,0

MHz

8,0

9,0

—

dB

Absolute attenuation

α

abs

0,0

... 777,0

MHz

20

28

—

dB

851,0

...1564,5

MHz

20

39

—

dB

1564,5

...1594,5

MHz

30

43

—

dB

2326,5

...2371,5

MHz

36

41

—

dB

Temperature coefficient of frequency

—

– 36

—

ppm/K