Adaptive equalizer

Details Adaptive equalizer Adaptive equalizer

H - Electricity

04

B

333/27

H04B 3/14 (2006.01) H03H 7/01 (2006.01) H04B 7/005 (2006.01)

Patent

CA 1178666

Abstract: The dispersive effects of frequency selective fading in a digital, FM, or AM radio system are reduced by means of an adaptive equalizer comprising a cascade of feed-forward stages, each of which includes: a first parallel wavepath including a first adjustable attenuator; a second parallel wavepath including a second adjustable attenuator and delay device a combiner is provided for combining the signals in the wavepaths and for coupling the combined signal to the next stage. By a suitable selection of parameters, according to two unique relationships, a transfer function can be realized which can compensate for amplitude and delay distortions caused by minimum and nonminimum phase fades.

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