B5242 datasheet(3/7 Pages) EPCOS

3 / 7 page

May 20, 2011

B5242

215.0 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 +85 ˚C

Terminating source impedance:

ZS =50 Ω unbalanced and matching network

Terminating load impedance:

ZL =50 Ω unbalanced and matching network

min.

typ.

@ 25 ˚C

max.

Nominal frequency

—

215.0

—

MHz

Minimum insertion attenuation

min

—

7.7

9.0

(including matching network)

Passband width

rel ≤ 1.0 dB

B1.0dB

20.0

24.4

—

MHz

Amplitude ripple (p-p)

∆α

fN ± 10.0 MHz

—

0.2

0.9

Group delay ripple (p-p)

∆τ

fN ± 10.0 MHz

—

Absolute group delay (mean)

fN ± 10.0 MHz

—

0.67

—

µs

Phase ripple (p-p)

∆ϕ

fN ± 10.0 MHz

—

2.5

Relative attenuation (relative to

min)

rel

fN − 90.0 MHz ... fN − 45.0 MHz

—

fN − 45.0 MHz ... fN − 24.0 MHz

—

fN − 24.0 MHz ... fN − 12.5 MHz

401)

1) specification range is

fN − 24.0 MHz ... fN − 20.0 MHz

—

fN − 12.5 MHz ... fN − 11.25MHz

not specified2)

2) overlapping of passband and specified frequency range

due to temperature shift

—

fN + 11.25MHz ... fN + 12.5 MHz

not specified2)

—

fN + 12.5 MHz ... fN + 24.0 MHz

353)

3) specification range is

fN + 20.0 MHz ... fN + 24.0MHz

—

fN + 24.0 MHz ... fN + 45.0 MHz

—

fN + 45.0 MHz ... fN + 90.0 MHz

—

Return loss

input

fN ± 10.0 MHz

—

output fN ± 10.0 MHz

—

Temperature coefficient of frequency

TCf

—

–87

—

ppm/K

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