3

May 09, 2001

SAW Components

B3606

140,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

T

= -40˚C ... 85˚C

Terminating source impedance:

Terminating load impedance:

TTI=Triple transit signal included; TTE=Triple transit signal excluded

min.

typ.

max.

Center frequency

139,75

140,00

140,25 MHz

(Center between 6dB points; @ T = 25˚C)

α

C

—

11,0

13,0

dB

Amplitude ripple (TTI, p-p)

∆α

130,0

... 150,0

MHz

—

0,6

0,9

dB

Pass bandwidth

α

3dB

—

25,5

—

MHz

Phase ripple (TTE, p-p)

∆ϕ

130,0

... 150,0

MHz

—

8,0

9,5

˚

131,0

... 149,0

MHz

—

6,0

7,0

˚

Relative attenuation (relative to

α

α

rel

100,0

... 108,0

MHz

40,0

50,0

—

dB

108,0

... 116,0

MHz

40,0

48,0

—

dB

116,0

... 121,5

MHz

40,0

44,0

—

dB

158,5

... 164,0

MHz

37,0

40,0

—

dB

164,0

... 172,0

MHz

39,0

42,0

—

dB

172,0

... 180,0

MHz

40,0

47,0

—

dB

Reflected wave signal suppression

0,72

µs ... 0,62 µs before main pulse

45,0

50,0

—

dB

Reflected wave signal suppression

0,62

µs ... 2,88 µs after main pulse

33,0

37,0

—

dB

Group delay at

τ

C

0,71

0,72

0,73

µs

Group delay ripple (TTE, p-p)

∆τ

130,0

... 150,0

MHz

—

15,0

—

ns

Temperature coefficient of frequency

—

– 87

—

ppm/K