B9438 데이터 시트보기 (PDF) - EPCOS AG

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B9438

SAW Components SAW TX Filter Cellular / WCDMA Band V

EPCOS AG 

SAW Components

SAW TX Filter

Data sheet

B9438

836.50 MHz

Annotation for characteristics section

(1) Attenuation of WCDMA signal (“Powertransferfunction”, αWCDMA) is determined by

∫∞ Sds21(f )HRRC(f – fCarrier) 2df

∞

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:

∫∞ HRRC(f ) 2df = 1

∞

Maximum ratings

Operable temperature range

Storage temperature range

DC voltage

ESD voltage

T

Tstg

VDC

VESD

Input power

PIN

–40/+85

–40/+85

5

1001)

3002)

5003)

10

˚C

˚C

V

V

V

V

dBm

machine model, 10 pulses

human body model, 1 pulse

charged-device model, 3 pulses

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

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

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

Please read cautions and warnings and

important notes at the end of this document.

5 June 23, 2008

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