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Mick Maytum

Mick Maytum is retired, but is still lecturing, consulting, producing tutorials for his websites and participating in IEC, ITU-T and IEEE standards development Graduating with a B.Sc (first class) honours degree he initially worked on magnetrons, and TV pickup tubes for three years. The next 30 years were spent at Texas Instruments UK where he designed and consulted on circuits for televisions, switching-mode power supplies, electronic lightning systems and telecommunication surge protection. Finally, 12 years were spent at what is now known as Bourns UK. He has served on IEEE, IEC, ITU-T, BSI, ATIS NIP-NEP, ATIS PEG, TIA TR-41, Telcordia, CENELEC and JEDEC standards development committees. Significant awards are the IEC 1906 medal, the IEEE-SA Standards Medallion (both twice) and he has the status of a Life Senior MIEEE. As a technical author he has authored eighteen Application Reports, contributed to five books, written thirteen articles, published six IEEE transactions papers and has 11 patents.

From This Author

There’s an “R” in “Varistor”

This article analyzes the V-I characteristic of a varistor and shows it is more appropriate to treat the varistor as a current dependent resistance rather than the conventionally taught voltage dependent resistance. Spice circuit examples are given, based on a current dependent resistance varistor model.

IEC 62368-1 AC Mains Port Protection Component Requirements

This article describes the MOV circuit design sequence for the AC mains port overvoltage protection of pluggable type A equipment.

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