B5233 datasheet(3/7 Pages) EPCOS

tên linh kiện	B5233

Giải thích chi tiết về linh kiện	Low-loss IF filter for GSM applications

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Jun 30, 2011

B5233

138.2 MHz

SAW Components

SAW IF filter

Data Sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Operating temperature range:

= –40 to 85 ˚C

Terminating source impedance:

ZS = 200 Ω balanced and matching network

Terminating load impedance:

ZL = 200 Ω balanced and matching network

min.

typ.

@ 25 ˚C

max.

Nominal frequency

—

138.2

—

MHz

Minimum insertion attenuation

(including matching network)

min

—

10.4

Passband width

rel < 1.2 dB

1.2dB

35.0

—

MHz

Amplitude ripple (p-p)

∆α

fN ± 17.6 MHz

—

0.7

1.4

Group delay ripple (p-p)

∆τ

fN ± 17.6 MHz

—

100

Relative attenuation (relative to

min)

rel

28.00 MHz ... 64.00 MHz

—

212.0 MHz ... 464.0 MHz

—

464.0 MHz ...

3000 MHz

—

Average group delay

mean

fN ± 17.6 MHz

—

0.540

1.0

µs

Temperature coefficient of frequency

TCf

—

-75

—

ppm/K

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