Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1975-09-02
1977-06-28
Gensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
307208, 307221D, 357 24, H03H 728, H03K 5159, H01L 2978, H01L 2710
Patent
active
040328678
ABSTRACT:
In a charge transfer transversal filter a semiconductor substrate is provided with main and parallel portions. A group of serially arranged electrodes insulatingly overlie and are uniformly spaced from the channel portions. The electrodes form with the substrate a plurality of stages of first and second charge transfer shift register over the main and parallel channel portions of the substrate, respectively. One electrode of each of the stages of the shift registers has a split along the length dimension thereof over the main channel portion dividing each of the one electrodes over the main channel portion into a first part and a second part with a third part overlying the parallel channel portion. The first parts of the one electrodes are connected to a first conductive line and the second and third parts of the one electrodes are connected to a second conductive line. The area of the first parts of the one electrodes being equal to the sum of the areas of the second and third parts of the one electrode.
REFERENCES:
patent: 3819958 (1974-06-01), Gosney
MacLennan, "Charge Coupled Devices"; Wireless World, Feb. 1975, pp. 61-65.
Ibrahim et al., "CCD'S for Transversal Filter Applications"; IEEE IEDM, Washington, D. C., Dec. 1974, cover page & pp. 240-243.
Sangster, "The Bucket Brigade Delay Line, A Shift Register for Analogue Signals"; Phillips Technical Review, vol. 31, 1970, No. 4, pp. 97-110.
Baertsch Richard D.
Engeler William E.
Cohen Joseph T.
General Electric Company
Gensler Paul L.
Nussbaum Marvin
Squillaro Jerome C.
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