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Product category: Reference Designs
News Release from: Lime Microsystems | Subject: MicroTCA broadband wireless transceiver
Edited by the Electronicstalk Editorial Team on 05 November 2007

MicroTCA design targets WiMAX
basestations

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Transceiver has six user-selectable channel bandwidths from 1.5 to 14MHz and can be digitally configured to operate in bands from 2 to 4GHz.

Lime Microsystems has come up with the first ever reference design for a MicroTCA broadband wireless transceiver Targeted at small cell WiMAX basestation applications - femtocells and picocells - the transceiver has six user-selectable channel bandwidths from 1.5 to 14MHz and can be digitally configured to operate in bands from 2 to 4GHz

The reconfigurable design supports a variety of network configurations, bandwidths and datarates.

This minimises costs and inventory for wireless system OEMs and operators.

Using a high level command set, the design can be configured for half-duplex and full-duplex operation in both frequency division multiplex (FDM) and time division multiplex (TDM) modes.

The board can also be used as a "plug-and-play" transceiver for rapid evaluation and deployment of WiMAX basestations based on ACTA or MicroTCA standards.

The zero-IF transceiver uses 12bit baseband ADCs and DACs.

A 40MHz sampling rate is derived from a low-noise clock.

Its serial RapidIO interface supports a throughput of up to 3.125Gbit/s and can communicate via any advanced mezzanine cards (AMC) ports.

A single port carries both I/Q and control traffic and an I/Q record and playback capability simplifies testing.

A full speed USB interface is provided for PC controlled stand-alone operation.

The development platform will be available from 1st December 2007 at a one-off price of US $12,000.

Lime has been working closely with a number of leading companies in both baseband and RF amplifier technologies.

Formal partnership announcements will follow in the next few months, and these agreements will enable Lime to support its customers in the development of complete basestations in which interoperability between the main circuit functions is guaranteed.

Dr Ebrahim Bushehri CEO founded Lime Microsystems in 2005.

His experience spans more than 15 years in managing design teams for the implementation of high performance ICs within the wireless communication market.

Until setting up the company, he was with the Middlesex University of Microelectronics Centre (MUMEC), where he collaborated with organisations such as Nokia, Qinetiq and Fraunhofer IAF.

Lime Microsystems has design teams in both the UK and Lithuania and has developed a patent-protected transceiver design that will reduce substantially the sise and cost of next-generation broadband wireless transceivers.

The company's first semiconductors are scheduled for launch in Q1 2008.

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