B3671 datasheet(3/6 Pages) EPCOS

3 / 6 page

May 29, 2000

SAW Components

B3671

204,0 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

= 0 .. 70 ˚C

Terminating source impedance:

ZS = 50 Ω and matching network

Terminating load impedance:

ZL = 50 Ω and matching network

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

min.

typ.

max.

Nominal frequency

—

204,0

—

MHz

Minimum insertion attenuation

min

—

9,0

10,0

Pass bandwidth

rel

≤ 1,0 dB

B1dB

—

720

—

kHz

rel

≤ 3,0 dB

B3dB

—

1150

—

kHz

Amplitude ripple (p-p)

∆α

fN ± 250 kHz

—

0,5

1,0

Absolute group delay

—

0,8

—

µs

Group delay ripple (p-p)

∆τ

fN ± 250 kHz

—

100

Relative attenuation (relative to

min)

rel

fN − 10,0 MHz ... fN − 3,8 MHz

—

fN − 3,8 MHz ... fN − 3,2 MHz

—

fN − 3,2 MHz ... fN − 2,5 MHz

—

fN + 2,5 MHz ... fN + 2,6 MHz

—

fN + 2,6 MHz ... fN + 3,5 MHz

—

fN + 3,5 MHz ... fN + 4,5 MHz

—

fN + 4,5 MHz ... fN + 10,0 MHz

—

Temperature coefficient of frequency 1)

TCf

—

–0,036

—

ppm/K2

Turnover temperature

—35

—

˚C

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