B3625 datasheet(3/6 Pages) EPCOS

3 / 6 page

Apr 04, 2001

SAW Components

B3625

71,00 MHz

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

= 0 - 70 ˚C

Terminating source impedance:

ZS =200 Ω unbalanced and matching network

Terminating load impedance:

ZL =200 Ω unbalanced and matching network

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

min.

typ.

max.

Nominal frequency

—

71,0

—

MHz

Minimum insertion attenuation

—

7,0

8,0

(including matching network)

Passband width

B1,0dB

—

0,21

—

MHz

rel ≤ 1 dB

Amplitude ripple in passband

∆α

70,92 ...

71,08 MHz

—

±0,6

±1,0

Absolute group delay

2,35

2,50

2,65

µs

Group delay ripple (p-p)

∆τ

70,92 ...

71,08 MHz

—

0,45

1,5

µs

Relative attenuation (relative to

rel

fN ± 200

kHz ... fN ± 300

kHz

—

fN ± 300

kHz ... fN ± 400

kHz

—

fN ± 400

kHz ... fN ± 700

kHz

—

fN ± 700

kHz ... fN ± 1600

kHz

—

@fN ± 800

kHz

—

fN ± 1600

kHz ... fN ± 6000

kHz

—

fN ± 6000

kHz ... fN ± 35000

kHz

—

IM3 level (Input level -14 dBm)

fN ± 800

kHz

—

-95

dBm

fN ± 1600

kHz

—

-95

dBm

Temperature coefficient of frequency 1)

TCf

—

– 0,033

—

ppm/K2

Turnover temperature

—10

—

˚C

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