B5258 datasheet(3/7 Pages) EPCOS

3 / 7 page

January 22, 2013

B5258

184.3 MHz

SAW Components

SAW IF filter

Data sheet

Please read cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

= –40 ˚C to +80 ˚C

Terminating source impedance:

ZS =

Ω unbalanced and matching network

Terminating load impedance:

ZL =

Ω unbalanced and matching network

min.

typ.

@ 25 ˚C

max.

Nominal frequency

—

184.3

—

MHz

Minimum insertion attenuation

min

—

9.0

10.3

(including matching network)

Passband width

rel ≤ 1.0 dB

B1.0dB

MHz

Amplitude ripple (p-p)

∆α

fN ± 23.5 MHz

—

0.5

1.0

Phase ripple (p-p)

∆ϕ

fN ± 23.5 MHz

—

Group delay ripple (p-p)

∆τ

fN ± 23.5 MHz

—

Absolute group delay (mean)

fN ± 23.5 MHz

—

0.42

—

µs

Relative attenuation (relative to

min)

rel

10.0 MHz

... 100.0 MHz

—

100.0 MHz

... 127.0 MHz

—

127.0 MHz

... 130.0 MHz

—

130.0 MHz

... 150.0 MHz

—

150.0 MHz

... 155.0 MHz

—

213.0 MHz

... 218.0 MHz

—

218.0 MHz

... 223.0 MHz

—

223.0 MHz

... 268.0 MHz

331)

1) some spikes may reach up to 30 dB

—

268.0 MHz

... 450.0 MHz

—

450.0 MHz

... 565.0 MHz

—

565.0 MHz

... 1000.0 MHz

—

VSWR

input fN ± 23.5 MHz

—

1.7:1

2.1:1

output fN ± 23.5 MHz

—

1.7:1

2.1:1

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