Monolithic crystal filters

Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network

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Details

310 82, H03H 926, H03H 1300, H03H 708

Patent

active

040286479

ABSTRACT:
An improved monolithic piezoelectric filter unit having two bilateral electrodes on one surface and a common electrode on the opposite surface, the common electrode connected to the common terminal of the filter unit via a capacitor.

REFERENCES:
patent: 2248776 (1941-07-01), Och
patent: 3564463 (1971-02-01), Beaver et al.
Yee--"Finite-Pole Frequencies in Monolithic Crystal Filters", in Proceedings of the IEEE, Jan. 1971; pp. 88-89.

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