FIELD: frequency-selective circuits; filtering narrow-band high-frequency waves. SUBSTANCE: filter unit has two rejection filters and bandpass filter connected in cascade manner to form series structure. Rejection filters produce slopes of narrow-band filter frequency response and bandpass filter provides for filtering beyond rejection- filter band. EFFECT: reduced real losses due to high quality of rejection filters. 2 dwg
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Authors
Dates
2002-07-20—Published
2000-05-11—Filed