RSBG Book ‘Power Supplies Explained’

This is where you will find support information for the RSGB ‘Power Supplies Explained’ textbook 2018 edition

Comments on the book and corrections can be posted on the companion facebook page Agreed corrections will appear on the Errata page of this website

Power Supplies Explained  

By Paul Lee, G3ZKO

A power supply is something that is often overlooked by radio amateurs, as for many it is simply the box, that at the flick of a switch, provides stable DC voltage. A modern power supply is though much more, combining theory that dates back to the nineteenth century incorporating the latest techniques in digital control, with a wealth of electronics practice in between. Power Supplies Explained sets out to do exactly this - explain in understandable terms what that little box is doing, right through to designing your own bespoke power supply.

Some believe there is a little magic in power supply design; beginners especially are wary of the challenging mixture of digital, analogue, magnetics and control loops, with cooling, EMC and safety to contend with as well. Whilst many books deal with the theory in depth, they often give little guidance on the practical aspects of achieving working designs - Power Supplies Explained is different. This book seeks to detail how circuits are chosen for the application and how circuits are designed including their inductors and transformers. Calculations are outlined in a simple way so that the reader can use them as a basis for their own designs.

Readers will find chapters that include descriptions of 'linear' supplies and a wide range of 'switched-mode' types from simple buck converters to the latest off-line high-efficiency topologies. The worked examples are based around typical radio amateur requirements and in many cases are versions of commercial products that the author has successfully designed. There are also chapters on magnetics theory, control loops, EMC, practical construction techniques, test equipment and much more. High voltage power supplies are included with comprehensive guidance on safety.

Power Supplies Explained sets out to dispel the mystery and encourage readers to 'have a go' with their own designs and get the satisfaction of being able to say, 'I made that'.

The book is available to buy from the RSGB at for the bargain price of £16.99 or £14.44 to members of the RSGB.

You can also find it at the ARRL website

This book is also available on Amazon Kindle click HERE for that version. The hardcopy version will also be available from Amazon in due course.

Size 174x240mm, 320 pages

ISBN: 9781 9101 9364 8