Universal transversal filter chip

Details Universal transversal filter chip Universal transversal filter chip

1978-01-12

1979-07-17

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Frequency or time domain filters and delay lines utilizing...

328167, 333166, 364862, H03H 928, H03H 730, G11C 1928, H03K 5156

Patent

active

041617061

ABSTRACT:
This specification describes a charge-transfer device transversal filter chip in which an input signal is fed in parallel into a number of channels the outputs of which are summed together to provide the desired transversal filter transfer function. Each channel contains an analog shift register, a signal splitter and a polarity selector. The shift registers are of unequal length to provide a different delay thru each channel. The signal splitter provides a plurality of signal paths thru each channel while the polarity selector determines whether a given path in a given channel is added or subtracted in the summation to determine the gain of the given channel in the summation.

REFERENCES:
patent: 3292110 (1966-12-01), Becker et al.
patent: 3500215 (1970-03-01), Leuthold et al.

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