B3867 datasheet(3/6 Pages) EPCOS

3 / 6 page

Nov 09, 2004

SAW Components

B3867

300,0 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

TA = -30 ... +70 ˚C

Terminating source impedance:

ZS = 50 Ω and matching network

Terminating load impedance:

ZL = 50 Ω and matching network

min.

typ.

max.

Center frequency

299,910

300,015

300,090 MHz

(center between 3dB points)

Minimum insertion attenuation

min

—

18,0

19,0

(including matching network)

Passband width1)

1) all bandwidths are centered at fc

rel ≤ 3 dB

B3,0dB

3,3

3,35

—

MHz

rel ≤ 40 dB

B40dB

—

4,75

4,8

MHz

Absolute group delay (at

fC)

—

1,75

1,8

µs

Amplitude ripple (p-p)

∆α

fC ± 1,2 MHz

—

0,8

1,1

Group delay ripple (p-p)

∆τ

fC ± 1,6 MHz

—

125

200

Phase ripple (p-p)

∆ϕ

fC ± 1,6 MHz

—

Return loss (Input and Output)

fC ± 1,6 MHz

—

Triple Transit Suppression

—

Relative attenuation (relative to

min)

2) apart from two peaks at or around

fC + 21 MHz with typically 45 dB attenuation

rel

fC ± 6 MHz ... fC ±40 MHz

—

Temperature coefficient of frequency3)

3) Temperature dependance of fc:fc(TA) = fc(T0)(1 + TCf(TA – T0)2)

TCf

—

– 0,036

—

ppm/K2

Turnover temperature

—20—

˚C

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