Recursive filters with a common channel charge transfer device

Details Recursive filters with a common channel charge transfer device Recursive filters with a common channel charge transfer device

1982-05-20

1984-07-10

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

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

333166, 377 61, 377 76, 357 30, H03H 1502, G11C 1928

Patent

active

044595697

ABSTRACT:
A common channel charge transfer recursive filter has two delay lines, in which charges are transferred in opposite directions. Exchange bridges having two sections extend between the lines. Each section feeds a predetermined charge fraction to one of the two downstream electrodes with charges flowing from the two upstream electrodes. The charge transfer is controlled by a three-phase system (.phi.1, .phi.2, .phi.3). Split memory electrodes and the exchange bridges are connected to the first phase (.phi.1) bus. A transfer electrode is in each gap between an exchange bridge and a memory electrode and is connected to the second phase (.phi.2) bus. A second transfer electrode is connected to the third phase (.phi.3) bus. The gap between a memory electrode and the next exchange bridge is occupied by a transfer electrode connected to the second phase (.phi.2) bus and by a transfer electrode connected to the third phase (.phi.3) bus.

REFERENCES:
patent: 4245199 (1981-01-01), Suciu
patent: 4292609 (1981-09-01), Feldman et al.
Reference Data for Radio Engineers, 5th Ed., Published 1968, by ITT, Howard Sams and Co. Division; pp. 4-25.

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