The emergence of new promising nanomaterials [1][2][3][4][5][6] in the arena opens up additional opportunities in nano-and microelectronics [7][8][9][10] for the development of elements and devices with broad functionality. Such elements also include thin-film varistors on phthalocyanine. Varistors are quite widely used in control systems, electronic and microelectronic equipment. Basically, these applications are connected with the stabilizing properties of the varistors. In particular, they are widely used in radio technical and television equipment for protection of discrete devices from overvoltages. At the same time, the well-known industrial variants have a class of tens to hundreds of volts and are released in the form of discrete devices. Development of integrated circuits with the necessary protection against overvoltages a large number of individual components use discrete varistors. At the same time, a large number of interconnections arise in the circuit, and the reliability of the integrated circuit and the percentage of output of suitable products is sharply reduced.The use of thinfilm varistors on phthalocyanine allows you to solve the problem of interconnection and increase the reliability and percentage of output of suitable products. The main factors that contribute to the effective use of the offered films varistors and determining the relevance of the work, are -compatibility with the technology of manufacturing hybrid integrated circuits;-low classification voltage -units of volts; -the possibility of adjusting of the classification voltage due to the change in thickness we are organic films;-small dimensions of varistors. The aim of the work is to develop an original circuit based on a thin-film varistor with a phthalocyanine organic film, effective for use in control systems, and which, with sufficiently high technical performance, has a simple structure and can be implemented as hybrid ICs.Film varistors are not interfering with the creation of hybrid integrated circuits with operational amplifiers and other active components for voltage stabilization and protection from overvoltages. The original scheme is proposed below, in which the specified varistor is used in the negative feedback circuit of the op-amp for automatic gain control. Figure 1 shows a practical device for an accurate balance of a bridge circuit.
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