ACPF-7003 データシートの表示（PDF） - Avago Technologies

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ACPF-7003

High Rx and Image Rejection Tx Filter for US PCS Band

Avago Technologies 

ACPF-7003

High Rx and Image Rejection Tx Filter for US PCS Band

Data Sheet

General Description

Features

The ACPF-7003 is a high rejection full band transmit filter

designed for US PCS handsets. Its performance rivals split-

band surface acoustic wave (SAW) transmit filters. Since a

single filter provides the rejection, no switches are required,

saving board space and external components, eliminat-

ing switch loss, and reducing programming complexity.

Furthermore, with 25dB rejection at 1830 MHz, it is a true

split band replacement.

The ACPF-7003 FBAR transmit filter utilizes Avago Tech-

nologies’ Microcap bonded-wafer chip scale packaging

technology. This process allows the ultra small filters

to be assembled into a Molded Chip on Board (MCOB)

Module.

• High rejection from a single filter with no switches

required

• True split band replacement

• Passband: 1850-1910 MHz

• 35 dB min Attenuation, 1930-1990 MHz

• 2.5 dB Typical Insertion Loss

• 25dB image rejection at 1830 MHz

• Space saving solution

- Small footprint: 1.6 x 2.0-mm solution

- Low profile package: 0.9 mm high (Typ)

- 1.0mm (Max)

In typical cellular phone architectures, the transmit filter

fits between the driver amplifier and the power amplifier.

This filter reduces the noise in the Rx band being ampli-

fied by the transmit chain, enhancing receiver sensitivity.

High rejection keeps unwanted signals out of the receive

path.

Applications

• US PCS band handsets

• Wireless Data terminals

Avago Technologies’ thin-Film Bulk Acoustic Resonator

(FBAR) technology makes possible high-Q filters at a frac-

tion their usual size.

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