H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/72
H03H 7/12 (2006.01) H03H 7/01 (2006.01) H03J 5/24 (2006.01)
Patent
CA 1187571
1 BAND PASS FILTER Abstract of the Invention A band-pass filter circuit has series elements, comprising a parallel resonant circuit and a first inductance, and shunt elements comprising a series resonsnt circuit and a second inductance, the resonant circuits comprising variable capacitances to permit variation of the frequency over a frequency band. The second inductance may be a transformer. The variable capacitances may be constituted by a plurality of switchable component capacitances, having switches connected between the capacitances and ground.
425548
Fetherstonhaugh & Co.
Licentia Patent-Verwaltungs-Gmbh
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