As well as being The Filter Wizard, Kendall Castor-Perry is a skilled circuit designer, product engineer and all-round analog expert. He's a widely published communicator of theory and method in many electronics disciplines. His fascination with electronics and audio dates back to boyhood. He spent 21 years designing filters, precision instrumentation, signal processing equipment and music systems. Then 11 years selling and designing in analog semiconductors. He's created advanced products to chase signals across many domains, extract the information from them and do something useful with it.
These days, Kendall is with Cypress, doing system architecture, product definition and strategic application analysis for their precision analog and mixed-signal devices. And also, of course, supporting customers with all sorts of analog and digital filter designs. He's also educating and mentoring a new generation in the ways of analog and systems thinking. Striving to improve the world one dB at a time!
Analyze FIR filters using high-school algebra
Prediction and negative-delay filters: Five things you should know
Sample multiple channels 'simultaneously' with a single ADC
Active filters that still work even when their amplifiers do not
Filter DC voltages outside your supply rails
Buenos Notches - The Filter Wizard versus the vuvuzela
Filter Design using the Million Monkeys Method
Fainting in Coils
Countdown to S-to-Z
An Excelent fit, Sir!
One giant squeak for Mankind – Revisits an audio circuit project from 'Practical Electronics'magazine, May 1969.
Use it or slew it – Provides advice on how to determine the slew rate needed from an opamp.
An E96 formula: how can you resist it? – Kendall discusses the value of spreadsheets when calculating component values.
Ping! And the accuracy is gone – Where exactly does the ringing come from when you sample the input voltage of a high-speed ADC?
Alias, damned alias and statistics – Does 'aliasing' need fixing, asks our filter wizard, and does fixing it cause problems elsewhere?
Who, what and why? – Analog DesignLine Europe's expert columnist introduces himself.
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Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
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