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ACPF-7003 Datasheet

  • ACPF-7003

  • High Rx and Image Rejection Tx Filter for US PCS Band

  • 579.82KB

  • 8頁

  • AVAGO

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ACPF-7003
High Rx and Image Rejection Tx Filter for US PCS Band
Data Sheet
General Description
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鈥? 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.
Features
鈥? High rejection from a single filter with no switches
required
鈥? True split band replacement
鈥? Passband: 1850-1910 MHz
鈥? 35 dB min Attenuation, 1930-1990 MHz
鈥? 2.5 dB Typical Insertion Loss
鈥? 25dB image rejection at 1830 MHz
鈥?
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
Applications
fits between the driver amplifier and the power amplifier.
This filter reduces the noise in the Rx band being ampli- 鈥? US PCS band handsets
fied by the transmit chain, enhancing receiver sensitivity. 鈥? Wireless Data terminals
High rejection keeps unwanted signals out of the receive
path.
Avago Technologies鈥? thin-Film Bulk Acoustic Resonator
(FBAR) technology makes possible high-Q filters at a frac-
tion their usual size.

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