Multi-scale Gaussian filter device for image analog signals and manufacturing method thereof

The invention discloses a multi-scale Gaussian filter device for image analog signals. The multi-scale Gaussian filter device is used for conducting multi-scale Gaussian filter on the image analog signals to be processed so as to obtain filtered image analog signals and comprises multiple Gaussian filter units, wherein each Gaussian filter unit is formed by connecting a negative resistor composed of multiple active circuits and a common positive resistor in a specific network connecting mode. The invention further discloses a manufacturing method of the multi-scale Gaussian filter device for the image analog signals. Compared with the prior art, Gaussian filter processing is performed by using the multi-scale Gaussian filter device, the processing speed is greatly improved, and processing energy consumption is reduced.