Quartz Filter Crystals with Low Inductance
- 1 June 1948
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE
- Vol. 36 (6) , 802-804
- https://doi.org/10.1109/JRPROC.1948.226274
Abstract
By exciting a harmonic of the Y′ wave in a -18.5°-rotated X-cut quartz plate, the electrodes of the elementary halfwave sections being electrically connected in parallel, and by choosing for each half-wave section the ratio ls′/ly′> 1, an appreciable reduction in inductance can be obtained; e.g., tenfold or more. With regard to disturbing frequencies, it will be useful to choose this ratio in the neighborhood of 1.8.Keywords
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