B5245 datasheet(3/7 Pages) EPCOS

3 / 7 page

Jul 27, 2011

B5245

122.88 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 =

100

Ω and matching network

Terminating load impedance:

ZL =

400

Ω and matching network

min.

typ.

@ 25 ˚C

max.

Nominal frequency

—

122.88

—

MHz

Insertion attenuation at fN

(T= 25˚C)

5.5

6.2

7.5

Variation of insertion attenuation

in [-40 ˚C , 85˚C]

——

± 0.9

Passband width

rel < 1.0 dB

1.0dB

0.1

0.49

—

MHz

Amplitude ripple (p-p)

∆α

fN ± 0.05 MHz

—

0.2

0.5

Group Delay ripple (p-p)

∆τ

fN ± 0.05 MHz

—

100

Average Group Delay

mean

fN ± 0.05 MHz

—

1.04

1.08

µs

Relative attenuation (relative to

min)

rel

fN - 100.00 MHz ... fN - 10.000 MHz

—

fN - 10.000 MHz ... fN - 3.0000 MHz

—

fN - 1.000 MHz ... fN - 0.8000 MHz

—

fN + 0.8000 MHz ... fN + 1.0000 MHz

—

fN + 3.0000 MHz ... fN + 10.000 MHz

—

fN + 10.000 MHz ... fN + 100.00 MHz

—

Temperature coefficient of frequency1)

1) Temperature dependance of f

fc(TA) = fc(T0)(1 + TCf(TA – T0)2)

TCf

—

-0.036

—

ppm/K2

B5245 Datasheet(PDF) 3 Page - EPCOS

B5245 Datasheet(HTML) 3 Page - EPCOS

Html Pages

1 2 3 4 5 6 7

Datasheet Download

Link URL