Charge transfer device transversal filters

Details Charge transfer device transversal filters Charge transfer device transversal filters

1976-06-25

1977-10-04

Gruber, Felix D.

Boots, shoes, and leggings

307221D, 307304, 364572, 364851, 364862, G06G 716, H03K 5159

Patent

active

040526062

ABSTRACT:
A charge transfer device transversal filter is provided including two equivalent charge transfer device shift registers for translating with respect to each other, a first analog signal referred to as an input signal and a second analog signal, referred to as a transfer function signal, with respect to each other. The discrete analog signals are temporarily added on field effect transistor gates. The non-linear characteristics of the field effect transistor performs multiplication. The field effect transistor currents are then summed to complete the filter convolution. The disclosed invention is implemented in either charge-coupled-device technology or bucket-brigade technology.

REFERENCES:
patent: 3864558 (1975-02-01), Ka-Chung Yu
patent: 3906246 (1975-09-01), Okada
patent: 3935439 (1976-01-01), Buss et al.
patent: 3956624 (1976-05-01), Audaire et al.
patent: 3987293 (1976-10-01), Crooke et al.

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