B9438 datasheet(5/9 Pages) EPCOS

5 / 9 page

June 23, 2008

B9438

836.50 MHz

SAW Components

SAW TX Filter

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Annotation for characteristics section

(1) Attenuation of WCDMA signal (“Powertransferfunction”,

WCDMA) is determined by

fCarrier according to 3GPP TS 25.101 (e.g. for Passband, fCarrier ranges from 826.4 MHz (lowest

Tx channel) to 846.6 MHz (highest Tx channel)). HRRC(f) is the transfer function of the root-

raised cosine transmit pulse shaping filter according to 3GPP TS 25.101 with the following nor-

malization:

Maximum ratings

Operable temperature range T

–40/+85

˚C

Storage temperature range

Tstg

–40/+85

˚C

DC voltage

VDC

ESD voltage

VESD

1001)

1) acc. to JESD22-A115A (machine model), 10 negative & 10 positive pulses.

machine model, 10 pulses

3002)

2) acc. to JESD22-A114C (human body model), 1 negative & 1 positive pulse.

human body model, 1 pulse

5003)

3) acc. to JESD22-C101 (charged-device model), 3 negative & 3 positive pulses.

charged-device model, 3 pulses

Input power

dBm

d21 f

()H

RRC ff Carrier

–

()

∞

∫

RRC f

()

∞

∫

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