A 32 TAP DIGITALLY CONTROLLED PROGRAMMABLE TRANSVERSAL FILTER USING LSI GaAs ICs
1988
A Digitally Controlled Programmable Transversal Filter (DCPTF) is described that employs a LiNbO3 SAW delay line and two LSI GaAs ICs to digitall control magnitude and sign of the 32 tap weights. Tke DCPTF constitutes a significant reduction in size over the previously reported PTF with little sacrifice in performance. The DCPTF is completely programmable and is constrained only by the bandwidth (100 MHz centered at 300 MHz) and the number of taps.
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