FIELD: physics, computer engineering.
SUBSTANCE: invention relates to outputting linearly variable signals, analogue-to-digital conversion of said signals and image formation. The apparatus comprises a voltage supply unit configured to supply a plurality of voltages having different amplitudes, a current supply unit, an integrated circuit configured to output linearly variable signals, and a capacitive element, wherein the voltage supply unit is connected to one terminal lead of the capacitive element, and the integrated circuit and the current supply unit are connected to the other terminal lead of the capacitive element.
EFFECT: outputting linearly variable signals having a potential which varies with time.
20 cl, 19 dwg
