EDNE August 2012 - (Page 4)

VoICe oF tHe enGIneer contents august12 go to ption, subscri /renewal, m r free or you -europe.co ame and F dn yn www.e your famil r number enter (the reade ) and e ail ID cod on our em subquoted t the online ll ou form. fi on scripti RENEW NOW d e pa r t m e n t s & Columns 9 EDN.comment: Picture this 15 Test & Measurement World: On-chip frequency measurements reduce test time by Surbhi Bansal and Sameer Saran, Freescale Semiconductor Wireless-sensor networks’ operating power arrives via thin air Transmitting usable energy through the air to power wireless-sensornetwork nodes may sound like a pipe dream, but several companies are proving that it can work. by Dan Strassberg, Contributing Technical Editor 24 22 Baker’s Best: EMI problems? Part five: Check out amps with EMIRR specs 36 Supply Chain: How the aftermarket and counterfeiting are linked; Apple to remain media-tablet king in 2012 Understand the digital-output options for high-speed ADCs Generating spatial audio from portable products 18 44 Tales from the Cube: Probing questions produCt roundup 41 Microcontrollers/DSPs; Noise cancelling IC Large systems are using more and higher-speed channels in their analog front ends, for which designers must choose among CMOS, LVDS, and CML outputs. Understand the key characteristics, performance tradeoffs, and layout requirements of these outputs. by Jonathan Harris, Analog Devices Inc 32 The ever-shrinking mechanical component of portable devices poses major challenges for stereo audio playback. by Ken Boyce, Texas Instruments Cover image: SHUTTerSToCK imageS / giULia-FiNi-gULoTTa DesigniDeas 3.3V R1 51 C2 3.9 pF C7 100 pF R5 15 R3 14 C5 0.7 pF G C1 10 pF L2 3.9 nH D NE3509M04 C6 4.7 pF L4 1.5 nH L3 1.5 nH C9 0.9 pF C8 0.6 pF 37 Design an ultra-low-noise S-band amplifier OUTPUT 50 IMPEDANCE R4 15 L1 27 nH INPUT 50 IMPEDANCE Q1 S 38 Use a transistor as a heater 39 Power-supply decoupler protects your UUT R2 39 C3 1000 pF C4 1000 pF 4 EDN EUROPE | AUGUST 2012 www.edn-europe.com EDN120607DI5294 Fig 1.eps DIANE http://www.edn-europe.com/renewal http://www.edn-europe.com

Table of Contents for the Digital Edition of EDNE August 2012

Messe München
Messe München
Cover
Contents
Farnell
Microchip
Digi-key
Masthead
Comment
Pulse
Digi-key
Test & Measurement
Agilent Technologies
Understand the digital-output options for high-speed ADCs
Digi-key
Baker's best
Omicron
Cover Story
Digi-key
Generating spatial audio from portable products
Supply Chain
Design Idea
Product Roundup
Tales From The Cube

EDNE August 2012