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Matched filtering using tapped bucket-brigade delay lines

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3 Author(s)
Buss, D.D. ; Texas Instruments Inc., Dallas, USA ; Bailey, W.H. ; Collins, D.R.

The use of an m.o.s. tapped bucket-brigade shift register as a matched filter is discussed. Tapping is accomplished by sensing the node voltages at each delay stage with a source follower, and the weighted summation is accomplished by summing the resulting currents. Construction of a filter matched to a 13 bit Barker-coded p.n. sequence is described and results are presented.

Published in:

Electronics Letters  (Volume:8 ,  Issue: 4 )