PAPER SESSION 2: POWER STAGE TOPOLOGIES
AND IMPLEMENTATION
Realizing the Optimum Performance from a Class
D Amplifier Controller IC With Feedback and Feed-
Forward Techniques
Brian Attwood(1,2), Larry
Hand(2), Steven Harris(2), Jeff Klaas(2), Borislav Orozov(2),
Skip Taylor(2)
(1) PWM Systems, Crawley, Sussex, UK.
(2) Intersil/D2Audio, Austin, Texas, USA.
A high performance class D amplifier design using a
transformer coupled N+N FET output stage is presented.
An integrated class D controller IC is at heart
of the design, implementing feed-forward and feedback
techniques.
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