4

Oct 17, 2000

SAW Components

B3684

387,5 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

T

= -25 ... +75 ˚C

Terminating source impedance:

Terminating load impedance:

min.

typ.

max.

Nominal frequency

—

387,5

—

MHz

Maximum insertion attenuation

α

max

385,0 MHz ... 390,0 MHz

—

3,5

4,0

dB

Amplitude ripple (p-p)

∆α

385,0 MHz ... 390,0 MHz

—

1,1

2,0

dB

Return loss (Input and Output)

385,0 MHz ... 390,0 MHz

11,0

12,5

—

dB

Group delay

τ

385,0 MHz ... 390,0 MHz

—

140

180

ns

Deviation from lin. phase (in 1 MHz bandwidth)

∆ϕ

385,0 MHz ... 390,0 MHz

—

1,3

5

˚

Temperature coefficient of frequency

—

– 36

—

ppm/K