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Fine Adjustment of Wide-Bandwidth SAW Filter Responses
Isamu KOTAKA Jiro TEMMYO Takahiro INAMURA Shokichiro YOSHIKAWA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/02/25
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Other Devices
Full Text: PDF(204.2KB)>>
Fine adjustment of wide-bandwidth SAW filter responses by trimming the interdigital transducer finger lengths was successfully achieved. In SAW devices, second-order effects, such as end effects, diffraction and bulk mode generation, disturb the simple design performances. The slight difference in wide-bandwidth frequency responses between the theoretical and experimental responses was modified by trimming the IDT finger lengths by hand.