High-temperature superconductor filters: modeling and experimental investigations

10-pole HTS microstrip band-pass filters with central frequency 1.75 GHz have been designed, manufactured, and investigated without any trimming in the linear and nonlinear regimes. A high filter performance with insertion loss not more than 0.5 dB and power handling capability up to 10 W of input power at T=60 K has been observed. Different commercial and home-made software were used to simulate the filter characteristics.