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ACMD-7605 Datasheet(PDF) 1 Page - AVAGO TECHNOLOGIES LIMITED

Part No. ACMD-7605
Description  Miniature UMTS Band 8 Duplexer
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Maker  AVAGO [AVAGO TECHNOLOGIES LIMITED]
Homepage  http://www.avagotech.com
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ACMD-7605 Datasheet(HTML) 1 Page - AVAGO TECHNOLOGIES LIMITED

 
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ACMD-7605
Miniature UMTS Band 8 Duplexer
Data Sheet
Description
The Avago Technologies’ ACMD-7605 is a miniature
duplexer designed for use in UMTS Band 8 (880 – 915
MHz UL, 925 – 960 MHz DL) handsets and mobile data
terminals.
The ACMD-7605 enhances the sensitivity and dynamic
range of handset receivers by providing more than 51 dB
attenuation of the transmitted signal at the receiver input
and more than 48 dB rejection of transmit-generated
noise in the receive band.
Maximum Insertion Loss in the Tx channel is only 3.5 dB,
which minimizes current drain from the power amplifier.
Insertion Loss in the Rx channel is a maximum of 4.0 dB,
thus improving receiver sensitivity.
The ACMD-7605 is designed with Avago Technologies’
Film Bulk Acoustic Resonator (FBAR) technology, which
makes possible ultra-small, high-Q filters at a fraction of
their usual size. The excellent power handling capability of
the FBAR bulk-mode resonators supports the high output
power levels needed in handsets while adding virtually no
distortion.
The ACMD-7605 also utilizes Avago Technologies’ innova-
tive Microcap bonded-wafer, chip scale packaging tech-
nology. This process allows the filters to be assembled in
a molded chip-on-board module that is less than 1.2 mm
high with a maximum footprint of only 3.0 mm x 3.0 mm.
Functional Block Diagram
Ant
Port 3
Tx
Rx
Port 1
Port 2
Features
• Miniature Size
– 3.0 x 3.0 mm Max footprint
– 1.2 mm Max height
• High Power Rating
– 33 dBm Abs Max Tx Power
• RoHS Compliant
Specifications
• Rx Band Performance, 925-960 MHz, – 30 to +85°C
– Insertion Loss: 4.0 dB max
– Rx Noise Blocking: 48 dB min
• Tx Band Performance, 880-915 MHz, – 30 to +85°C
– Insertion Loss: 3.5 dB max
– Tx Interferer Blocking: 51 dB min
Applications
Handsets or data terminals operating in UMTS Band 8
frequency range.


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