Wireless & Communications

New circuit technique boosts efficiency in CMOS power amplifier for mobiles

Toshiba Corporation has developed the first circuit technology to remove distortion in wireless transmissions that can be directly integrated into a CMOS radio frequency (RF) power amplifier. The new circuit will be unveiled at the 2012 IEEE International Solid-State Circuits Conference (ISSCC) in San Francisco.

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New software defined radio architecture enables higher RF performance & lower power consumption

Cambridge Consultants, a technology design and development firm, has introduced a new architecture, ModStar, for the design of low power and highly efficient software defined radios (SDRs) for military communications. Bringing together the company’s SDR experience and expertise in design of consumer mobile communications architectures with its experience in military and security applications, ModStar will be able to support smaller, and more flexible high performance software defined radios for operation in the field.

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Nujira releases handset RF power amplifier characterisation system

Nujira has launched a new handset RF power amplifier (PA) characterisation system, the NCT-T9102, targeted at OEMs, chipset suppliers and PA vendors wishing to measure the performance of Envelope Tracking RF PAs for low power applications. Nujira has developed this system specifically for characterising handset RF PAs under Envelope Tracking (ET) conditions, overcoming the huge challenge of characterizing PAs in ET mode using standard test equipment.

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Murata collaborates with Beta LAYOUT to deliver UHF Passive RFID starter kit

Murata and Beta LAYOUT, a company that specialises in rapid PCB prototyping services, have launched an RFID starter kit based on Murata’s MAGICSTRAP UHF passive RFID devices. Aimed at engineers and developers wishing to learn quickly about how to incorporate RFID into their electronics design, the kit comprises a reader/writer board, communication software, two reader antennas and four different kinds of MAGICSTRAP RFID tag modules.

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China Mobile Research Institute and Anite collaborate in TD-LTE test technology

The China Mobile Research Institute (CMRI), the R&D division of China Mobile, the world’s largest mobile operator, and Anite, the wireless device testing technology company, have signed a Memorandum of Understanding (MoU) to collaborate on research in order to facilitate the global roll-out of TD-LTE technology.

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New wideband I/Q demodulator improves receiver performance

Linear Technology’s new LTC5585 is an ultrawide bandwidth direct conversion I/Q demodulator which offers enhanced linearity performance (IIP3 = 25.7dBm and IIP2 = 60dBm at 1.95GHz). The device is capable of baseband output demodulation bandwidth of over 530MHz, which can support new generation wideband LTE multimode receivers’ and digital pre-distortion (DPD) receivers’ bandwidth requirements.

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Cambridge Consultants releases radio microphones based on DECT cordless phone technology

Cambridge Consultants, a technology design and development firm, has launched a reference design for low cost, high performance radio microphones using the Digital Enhanced Cordless Telecommunications (DECT) platform. By taking advantage of DECT, Cambridge Consultants’ new radio microphone design is able to deliver higher audio quality with no interference and quadruples the range of existing radio microphone technology, whilst also lowering the total bill of materials (BOM) costs.

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Picochip achieves first silicon success for 40nm picoXcel Femtocell chip

Synopsys, a supplier of software and IP for semiconductor design, verification and manufacturing, has announced that Picochip has successfully achieved first silicon success using Synopsys’ Lynx Design System and Galaxy Implementation Platform in the design of its next-generation 40 nanometer (nm) PC3008 picoXcell femtocell chip optimised for high-volume, cost-sensitive consumer applications.

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Tensilica’s ConnX baseband engine DSP core successfully deployed by NXP

Tensilica has announced that NXP Semiconductors, the lead partner for its first ConnX Baseband Engine (BBE), has successfully fabricated the DSP in its automotive multi-standard software defined radio innovation platform, a highly flexible baseband processor for satellite and terrestrial digital radio and mobile HDTV (high-definition television) as well as car2X communication. In the latter application the processor is deployed in multiple Intelligent Traffic System Field Trials around the globe.

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