B3825 datasheet(3/7 Pages) EPCOS

3 / 7 page

April 26, 2005

SAW Components

B3825

380,00 MHz

Low-Loss Filter

Data Sheet

Characteristics (unbalanced operation)

Operating temperature:

= -25 to +85 ˚C

Terminating source impedance:

ZS = 577 Ω || 20 nH

Terminating load impedance:

ZL = 817 Ω || 21 nH

min.

typ.

max.

Nominal frequency

—

380,0

—

MHz

Minimum insertion attenuation

min

8,0

8,9

10,0

(including matching network 1))

Passband width

B3,0dB

rel ≤ 3,0 dB

4,9

5,1

5,3

MHz

Amplitude ripple (p-p)

∆α

fN ± 1,92 MHz

0,2

1,0

1,2

Phase ripple (p-p)

∆ϕ

fN ± 1,92 MHz

3,0

5,0

7,0

Absolute group delay

360

460

560

Group delay ripple (p-p)

∆τ

fN ± 1,92 MHz

180

Mean value of absolute group delay

fN ± 1,92 MHz

440

460

480

Adjacent channel selectivity

ACS

Intermodulation

IM3

f1 = 360 MHz, input power 0 dBm

f2 = 370 MHz, input power 0 dBm

-120

-95

-85

dBm

f1 = 360 MHz, input power -5 dBm

f2 = 370 MHz, input power -5 dBm

-135

-110

-100

dBm

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