B3895 Просмотр технического описания (PDF) - EPCOS AG

Номер в каталоге

Компоненты Описание

производитель

B3895

SAW Components Low-Loss Filter

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

Nominal frequency

B3895

204,0 MHz

T = 0 .. 70 ˚C

ZS = 50 Ω and matching network

ZL = 50 Ω and matching network

min.

typ.

max.

fN

—

204,0

— MHz

Minimum insertion attenuation

αmin

—

9,0

10,0 dB

Pass bandwidth

αrel ≤ 1,0 dB

αrel ≤ 3,0 dB

B1dB

—

700

B3dB

—

1150

— kHz

— kHz

Amplitude ripple (p-p)

∆α

fN ± 250 kHz

—

0,5

1,0 dB

Absolute group delay

@ fN

τ

—

0,8

— µs

Group delay ripple (p-p)

∆τ

fN ± 250 kHz

—

30

100 ns

Relative attenuation (relative to αmin)

αrel

fN − 10,0 MHz ... fN − 2,0 MHz

45

48

— dB

fN + 2,0 MHz ... fN + 3,5 MHz

45

50

— dB

fN + 3,5 MHz ... fN + 4,5 MHz

44

46

— dB

fN + 4,5 MHz ... fN + 10,0 MHz

45

48

— dB

Temperature coefficient of frequency 1)

Turnover temperature

TCf

—

T0

—

–0,036 —

35

—

1) Temperature dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)

ppm/K2

˚C

3 Aug 25, 2003

Share Link: