   Single-Chip Transceiver IC for W-CDMA/UMTS Cellular PhonesThe CXA3361AGG is a single-chip transceiver IC for the W-CDMA/UMTS cellular phone system that supports HSDPA* (category 6).
Sony has, up to now, developed single-band, dual-band, and triple-band ICs for the Japanese domestic market. Sony has now deployed this technology in developing a new triple-band IC that supports all the frequency bands used worldwide.
The CXA3361AGG can support all the W-CDMA/UMTS carrier frequencies used around the world. *HSDPA (high-speed downlink packet access): A mobile communication method that speeds up the W-CDMA downlink.
Features •Direct conversion architecture
This IC achieves a significant reduction in external components compared to the conventional superheterodyne technique by adopting a direct conversion architecture. •Built-in matching circuits This IC achieves a significant reduction in external components by integrating the matching circuits (TXPA driver output and RX mixer input) required for the high-frequency signal lines on the same chip. Furthermore, by adopting a miniature package (a 6 mm square, 1 mm thick, 97-pin VFBGA package), this IC can reduce the circuit board area required for this functionality including the external components by one third to one half. •Integrated high-speed/low-noise synthesizer This IC also integrates the VCO and PLL circuits required for local signal generation. •Support the frequency bands used in all countries This IC supports bands I, II, III, IV, V, VI, VIII, and IX. By selecting three of these bands, the CXA3361AGG can be used in all the countries in Europe, North America, Asia, or Japan. This device also supports HSDPA (category 6). Since the basic structure has been unified with the ICs that predate the CXA3361AGG (the single-band and dual-band ICs), the customer can select an IC that most closely matches the needs of each of the customer's products. Furthermore, since this IC adopts a standard 3-wire bus control interface, it can be connected to a wide range of digital baseband ICs.  Single-Chip Transceiver IC for W-CDMA/UMTS Cellular Phone Lineup
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