B3559 datasheet(3/7 Pages) EPCOS

3 / 7 page

May 09, 2001

SAW Components

B3559

345,00 MHz

Low-loss Filter

Data Sheet

Characteristics

Reference temperature:

TA = 25 ˚C

Terminating source impedance:

ZS = 50 Ω and matching network

Terminating load impedance:

ZL = 50 Ω and matching network

1)Temperature dependence of fC: fC(TA) = fC(T0) (1 + TCf(TA – T0)2)

min.

typ.

max.

Center frequency

—

345,03

—

MHz

(center frequency between 3 dB points)

Minimum insertion attenuation

min

344,90 ... 345,10 MHz

—

2,0

3,0

Pass band (relative to

min)

344,94

... 345,13 MHz

—

0,8

2,0

344,90

... 345,17 MHz

—

1,0

3,0

344,87

... 345,20 MHz

—

1,5

6,0

Relative attenuation (relative to

min)

rel

10,00 ... 300,00 MHz

—

300,00 ... 341,00 MHz

—

341,00 ... 344,00 MHz

—

346,10 ... 347,00 MHz

—

347,00 ... 350,00 MHz

—

350,00 ... 450,00 MHz

—

450,00 ... 1000,00 MHz

—

Impedance for pass band matching

Input:

ZIN

RIN

CIN

—

350 || 2,80

—

Ω || pF

Output:

ZOUT = ROUT || COUT

—

350 || 2,80

—

Ω || pF

Temperature coefficient of frequency 1)

TCf

—

–0,03

—

ppm/K2

Frequency inversion point

—

°C

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