Global pixel nonlinear compensation structure
A non-linear compensation and global pixel technology, which is applied in electrical components, image communication, television, etc., can solve the problem of the circuit dynamic range becoming smaller, and achieve the effects of improving dynamic range, optimizing timing, and reducing power consumption
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[0073] The specific embodiment of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0074] see image 3 , image 3 Shown is a schematic diagram of the global pixel nonlinear compensation structure proposed by the present invention. As shown in the figure, the circuit shown in the upper frame on the left can be a pixel circuit module; the analog-digital conversion module shown on the right includes a positive input terminal Vin1 and a pixel The circuit module is connected and its negative input terminal Vin2 receives the comparator of the reference voltage Vramp; the circuit shown in the upper box on the left side is a new compensation circuit module in the embodiment of the present invention, and the compensation circuit module is connected between the reference voltage Vramp signal and The negative input terminal Vin2 of the comparator is used to compensate the non-linearity introduced by the internal circuit of...
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