Infineon Technologies Ag

Karl-Mikael Johanson

Lars Karlsson

Jörg Hauptmann

Bo Bokinge

Torbjörn Randahl

Karl Stefan Barkarö

at least one self oscillating loop circuit which oscillates with a switching frequency (f), wherein the self oscillating loop circuit () comprises an output driver () which is switched with said switching frequency and a loop filter () which feeds back an amplified loop signal output by said driver () to an input of said self oscillating loop and a trimming circuit () for trimming the switching frequency (fs) of said self oscillating loop circuit.

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Stockholm, Sweden

Karl-Mikael Johanson