SPUDT and RSPUDT
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Spec Check up and
Basic Setting
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Frequency, Metal thickness, Die Dimensions, Wafer, Attenuation Point, Group Delay and Ripple Calculation Points
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Ramez Algorithm, Least Square Algorithm
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No limit on number of roots
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Minimum phase, linear-linear, zero add up, Roots exchanges, Input and Output Weigting Separation
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Withdrawal Synthesis of Input/Output Transduction/Reflection Weighting
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Digital Optimization of Full Weightings including Shielding Bar Weighting in Frequency Domain
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DXF, GSD Format
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General Information of Single Track SPUDT
1. High Loss and Good Shape Factor Filter
2. Wafer : Quartz, LiTaO3
3. Fractional Bandwidth : – 2.5 %
4. Weighting :
1) Input : Single Phase Unidirectional Transducer (SPUDT)
2) Output : Single Phase Unidirectional Transducer (SPUDT)
3) Shielding Bar : Only Reflection Weighting
