Metal-insulator-semiconductor structure having means for canceli

Details Metal-insulator-semiconductor structure having means for canceli Metal-insulator-semiconductor structure having means for canceli

1974-11-11

1976-03-09

Edlow, Martin H.

H01L 2978

Patent

active

039435440

ABSTRACT:
A metal-insulator-semiconductor structure is disclosed which includes provision for canceling clock-line noise. In a preferred embodiment, the noise radiated by and capacitively coupled from the multiphase clock lines in a charge-coupled-device structure is canceled by forming at least one passive diode adjacent the output diode of the CCD. The passive diode is spaced from the clock lines by a distance which as closely as possible matches the distance which the output diode is spaced from the clock lines. The output diode is connected to the non-inverting input of a differential amplifier while the passive diode is connected to the inverting input of the differential amplifier; the differential amplifier can be either formed on the chip or separate from the chip. The clock line radiated noise is common to both diodes and is therefore canceled by the differential amplifier.

REFERENCES:
patent: 3814955 (1974-06-01), Itoh et al.

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