Monday, December 22, 2014
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Samsung Introduces SE790C Curved Monitor
Chinese Motion-sensing VR Glasses Coming On Kickstarter
Kodak Returns To CES With Consumer Product Line
North Korea Suggests Joint Inverstigation With U.S. Over Sony Hacking
T-Mobile to Pay $90 Million To Settle Case With FCC
New Trojan Targetted Banks Wordlwide
FBI Confirms North Korea Was Behind Sony Hack
Apple Responds To BBC's Allegations Over Working Conditions In Chinese Factory
Active Discussions
Digital Audio Extraction and Plextools
Will there be any trade in scheme for the coming PSP Go?
Hello, Glad to be Aboard!!!
Best optical drive for ripping CD's? My LG 4163B is mediocre.
Hi All!
cdrw trouble
CDR for car Sat Nav
DVD/DL for Optiarc 7191S at 8X
 Home > News > General Computing > Toshiba...
Last 7 Days News : SU MO TU WE TH FR SA All News

Wednesday, June 20, 2007
Toshiba Develops 60GHz Receiver Technology Using CMOS Device


Toshiba has announced new technology that opens the way to manufacturing powerful ICs for the millimeter-waveband.

The new fabrication process uses a low-cost CMOS process to achieve high-speed integrated wireless communications over short distances, and will support development of consumer applications. Toshiba unveiled the technology on June 15 at Session 17-1 of the 2007 Symposia on VLSI Circuits, in Kyoto, Japan.

Millimeter-wave communication offers high-speed wireless communication in the 60GHz band, a frequency over ten times higher than that of wireless LAN. While communication distances are limited to a few meters due to the nature of the wave, the wide bandwidth of the signal allows data transfers at a rate of more than 1 gigabit a second. In Japan, the U.S. and Europe, frequencies around the 60GHz band are allocated to unlicensed equipment. In the case of Japan, the allocated range is 59 to 66GHz, a width of 7GHz. As a result, millimeter-wave communication is increasingly seen as a solution for short distance transmission of high-speed data.

60GHz IC for millimeter-wave communication have been fabricated with gallium arsenide (GaAs), which is more expensive than CMOS IC. Millimeter-wave GaAs IC also require separate integration on the module of an antenna and a synthesizer, which can not be fabricated with GaAs process technology, plus additional components, including bonding wire and costly ceramic board. This further increases cost and chip die size.

With advances in process technology, complementary metal-oxide semiconductor (CMOS) technology is now approaching a level where it is applicable to the millimeter waveband. This has prompted universities and companies around the world to promote development of CMOS IC, as CMOS devices enjoy the advantages of a low cost silicon substrate, and are the most widely used devices in consumer and industrial digital ICs. In addition, multiple functions, including a digital signal processor can be formed directly on the chip.

Toshiba has realized a 60GHz CMOS receiver chip for the millimeter-wave band. It integrates an on-chip antenna, LNA, a mixer with a preamplifier and a phase-locked loop (PLL) synthesizer in a die that is only 1.1mm x 2.4mm without pad area. Application of 90nm process technology supports high levels of integration and achieves a performance close to that of much more complex and expensive GaAs devices. A fully differential circuitry improves signal quality, as it achieves noise-resistant features suited to millimeter-wave IC application. Optimization of element structure and wiring structure restrain internal noise, and contributes to realizing stable operation?the major issue to overcome for millimeter-wave CMOS IC.


Previous
Next
New ATA Controller LSI for Built-In Hard Disk Drives        All News        MySpace Launches Instant Messaging Service
BenQ Becomes Qisda     General Computing News      MySpace Launches Instant Messaging Service

Get RSS feed Easy Print E-Mail this Message

Related News
Toshiba and SK Hynix Reach Settlement in Lawsuit Ahead Of CES
Toshiba Announces 6TB Enterprise Capacity HDD Models
Toshiba's New Canvio AeroCast Wireless HDD Lets You Play Digital Content On Your TV
Toshiba Expands Line-up of Enterprise SSDs
Toshiba Launches ARM-Based Application Processors with Sound, Image Data-Mining and Security Functions
Toshiba Develops Low-bitrate SHVC Encoding Technique For Efficient HD to 4k Conversion
Toshiba's Enterprise PC Solution Uses BIOS to Secure Information Security
Toshiba and Cisco To Collaborate In Internet of Things Solutions
Toshiba Expands Its Lineup of Application Processors for Wearable Devices
Toshiba Offers New 4TB and 5TB Desktop HDDs
Toshiba Debuts New 2-in-1 Convertible PC with a 360-Degree Design
Toshiba Develops Lifelike Communication Android, Smart Glasses

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2014 - All rights reserved -
Privacy policy - Contact Us .