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SAW filter for TV/VCR PIF of high attenuation and low-loss

The core parts of sound, color and display signal process as TV/VCR become high quality. Adopted high-attenuation and low-loss architecture technology for control interference of bypass signal and for use without Trapeks filter. Developed SAW filter for library according to filter architecture broadcast method Shortened cycle, low-loss architectutre enabled filter basic technology for HDTV and satellites.Architecture for Bulk removal and diffraction correction of bulk wave and 128'LiNbO3 board which has great diffraction effect