Contents
Regulars 04 Trend
5G predictions for 2022 05 Technology
08 Going Green Joint eff orts needed to reduce e-waste By Dr Stephen Coulson, Founder and Chief Science Offi cer, P2i
10 Circuit drill
How does a DC boost converter behave with AC power? By Sulaiman Algharbi Alsayed, Managing Director, Smart PCB Solutions
Features
19 Futureproofi ng the GCC compiler for automotive-grade microcontrollers By Manfred Kreutzer, ABIX Technology, and Marcel Beemster, Solid Sands
22 New hybrid ADC technology solves tough measurement challenges By Grant M. Smith, technology writer
26 Signal measurements with lock-in amplifi ers By Jeff rey Lindemuth, Senior Scientist, Lake Shore Cryotronics
30 Wireless lighting control standardised by DALI+ By Paul Drosihn, General Manager, DALI Alliance
34 Building and evaluating an underwater RF communications link By Rob Schuckman, Application and R&D Engineer, Zilvertron, The Netherlands
38 A new approach to custom interconnect development By Luke Hulley, Marketing Manager, Bulgin
12 Electronics design Creating an “infi nite” RGB LED cube By Martin Whitlock, Applications Engineer, Matrix TSL
16 Optical isolation
Three positive unipolar photovoltaic isolation amplifi ers for isolating 0-5V signals By Professor Murat Uzam, Department of Electrical and Electronics Engineering, Yozgat Bozok University, Turkey
40 Products 42 Contact directory/Web locators
July 2021
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How to create more effi cient and more cost-eff ective EV designs
February 2022 Volume 127 Issue 2014 £5.90
SPECIAL REPORTS • Embedded systems • Connectors/Interconnects • Test & Measurement • Lighting
• Communications design
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