Floating gate amplifier method of operation for noise minimizati

Details Floating gate amplifier method of operation for noise minimizati Floating gate amplifier method of operation for noise minimizati

1979-07-03

1982-01-05

Munson, Gene M.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 24, G11C 1928, H01L 2978

Patent

active

043096247

ABSTRACT:
The present invention is embodied in a method of operating a charge-coupled device (CCD) having a non-destructive readout floating gate amplifier to minimize noise on the floating gate. A pair of control gates are adjacent to and partially overlap the floating gate and are electrically insulated therefrom. Noise caused by presetting the floating gate voltage is minimized by presetting after a series of "reads" instead of after each "read". Coherent clock noise induced by capacitive coupling of the control gates to the floating gate is eliminated by applying appropriate simultaneous signals to the control gates. Device sensitivity is improved.

REFERENCES:
patent: 3758794 (1973-09-01), Kosonocky
patent: 4090095 (1978-05-01), Herrmann
patent: 4104543 (1978-08-01), Maeding
Wen "Design and Operation of a Floating Gate Amplifier" IEEE J. Solid-State Circuits, vol. SC-9 (12/74) pp. 410-414.

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