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UID:DSC-4618
DTSTART;TZID=Europe/Berlin:20130201T100000
SEQUENCE:1359705817
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20130201T113000
URL:https://dresden-science-calendar.de/calendar/de/detail/4618
LOCATION:TUD\,    
SUMMARY:Staszewski: Time-Domain Analog and RF Signal Processing
CLASS:PUBLIC
DESCRIPTION:Speaker: Robert Bogdan Staszewski\nInstitute of Speaker: \nTopi
 cs:\nElektro- u. Informationstechnik\, Materialien\n Location:\n  Name: TU
 D (Barkhausen-Bau\, \, Room BAR II / 63 a)\n  Street:   \n  City:  \n  Pho
 ne: \n  Fax: \nDescription: <p>Abstract:One of the most important developm
 ents in the wireless industry within the last decade was the invention and
  popularization of the time-domain analog/RF microelectronics. The new par
 adigm revolves around a bold premise of \"the superiority of a time-domain
  operation over the traditional voltage-domain operation\" in which the ti
 me-stamps\, rather than the voltage or current levels\, are the informatio
 n carrier. This approach works surprisingly well in nanoscale CMOS process
 es\, being nowadays the mainstream process technology for consumer electro
 nics\, with their rising and falling transition times on the order of 10 p
 icoseconds as well as extremely low energy consumption due to the fact tha
 t only 100 or so electrons are involved in each transition. This new parad
 igm has been successfully exploited by this author while at Texas Instrume
 nts in Dallas\, Texas\, USA\, to transform the entire wireless transmitter
 /receiver architecture in which the analog and RF circuits operate now in 
 the time-domain. Specifically\, a time-to-digital converter (TDC) and a di
 gitally-controlled oscillator (DCO)\, which form an all-digital phase-lock
 ed loop (ADPLL)\, have been proposed to significantly improve the frequenc
 y synthesizers operating at multi-GHz frequencies. New infinite-impulse re
 sponse (IIR) filters have been proposed to process weak antenna signals in
  the new discrete-time receiver architecture. This new approach drasticall
 y improves cost\, area/volume\, energy consumption and integration level o
 f analog electronic circuits. Consequently\, the majority of the 1.6 billi
 on cell phones produced annually are now based on this approach. However\,
  this author believes that the time-domain analog revolution has merely be
 gun and the best is yet to come with new aspects (e.g.\, ultra-low power\,
  millimeter-wave)\, circuits (e.g.\, ADC\, DAC) and applications (e.g.\, s
 atellite communications\; non-wireless\, such as 3D imagers) begging to be
  exploited. This talk revisits this exciting journey and offers glimpse of
  future developments.</p>
DTSTAMP:20260425T052619Z
CREATED:20130123T075810Z
LAST-MODIFIED:20130201T080337Z
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