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Universal log-domain biquad

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1 Author(s)
Fragoulis, N. ; Dept. of Phys., Univ. of Patras, Patras, Greece

A universal log-domain biquad is presented, which is able to deliver all types of frequency transfer functions such as lowpass, highpass, bandstop, bandpass, allpass, notch. The block is completely built from E-cells, is fully reconfigurable and electronically tunable.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 7 )