3

Nov 29, 2002

SAW Components

B3607

140,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

T

= 25 ˚C

Terminating source impedance:

Terminating load impedance:

Group delay aperture

200 kHz

Matching circuit:

Note: Component values depend upon PCB layout

min.

typ.

max.

Center frequency

139,75

140,00

140,25 MHz

(Center between 6dB points)

α

C

—

6,0

7,5

dB

Amplitude ripple (p-p)

∆α

137,50 ... 142,50 MHz

—

0,7

1,0

dB

Phase ripple (p-p)

∆ϕ

137,50 ... 142,50 MHz

—

5

10

˚

Pass bandwidth

α

1dB

5,8

6,1

—

MHz

α

3dB

6,9

7,1

—

MHz

α

dB

—

10,5

11,1

MHz

Relative attenuation (relative to

α

α

rel

100,00 ... 134,00 MHz

40

47

—

dB

146,00 ... 180,00 MHz

40

46

—

dB

Group delay at

τ

C

—

1,35

—

µs

Group delay ripple (p-p)

∆τ

137,50 ... 142,50 MHz

—

80

150

ns

Temperature coefficient of frequency

—

– 87

—

ppm/K