MICROWAVE ACTIVE AND NONLINEAR COMPONENTS BASED ON HIGH-TEMPERATURE SUPERCONDUCTORS

The microwave engineering is on the threshold of the design and manufa cture of Cryogenic Microwave Integrated Circuits (CMIC) based on high- T(c) superconductors (HTSC), operating at the liquid nitrogen temperat ure. Along with HTSC delay lines, filters, and resonators, active comp onents (modulators, switches, phase shifters) and nonlinear components (signal limiters and mixers) are considered as important constituents of CMIC's. The problem of noise is in urgent need of being investigat ed. The development of computer aided design (CAD) of the microwave co mponents mentioned above is reported. The advancement of CMIC's is ant icipated for opening up a new possibility of signal processing at micr owaves.