Charge transfer transversal filter

Details Charge transfer transversal filter Charge transfer transversal filter

1977-06-02

1979-05-29

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

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

307221D, 333173, 357 24, 364826, 364862, H03H 724, G11C 1928, G06G 719

Patent

active

041568583

ABSTRACT:
A transversal filter of the split electrode type employing a bucket-brigade device (BBD) is described. The BBD wells extend beyond the edges of the clocked gates of the BBD below second gates of different areas. These mask programmed second gates provide the filter output. Unlike other split electrode, capacitance sensing filters, these gates are not clocked, thus the filter has simplified output circuitry and a greater dynamic range.

REFERENCES:
patent: 4086609 (1978-04-01), Foxall et al.
patent: 4123733 (1978-10-01), Poirier
Sangster--"The Bucket-Brigade Delay Line, A shift Register for Analogue Signals" in Phillips Technical Review, vol. 31, No. 4, 1970; pp. 97-110.

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