Methods and apparatus for providing implementation efficient adaptive equalizers suitable for use with QAM and/or VSB signals are disclosed. Finite impulse response ("FIR") filters are used to implement the disclosed adaptive equalizers. A plurality of arithmetic operator sharing techniques are disclosed...http://www.google.de/patents/US5642382?utm_source=gb-gplus-sharePatent US5642382 - Fir filters with multiplexed inputs suitable for use in reconfigurable adaptive equalizers
