FIR DIGITAL TO ANALOG CONVERTER

摘要

A FIRDAC (10) comprises a Finite Impulse Response filter structure (12.1-12.k) and a plurality of digital to analog converter units (11.1-1 l.k) associated with filter tap weights (a1- am) of the filter structure (12.1-12.k). The clamp value of each digital to analog converter unit (11.1-11.k) depends on its associated filter tap weight (a1-am).