Communications: radio wave antennas – Antennas – With lumped reactance filter in active antenna
Patent
1981-12-04
1983-11-01
Lieberman, Eli
Communications: radio wave antennas
Antennas
With lumped reactance filter in active antenna
333175, H03H 700, H01Q 100
Patent
active
044132620
ABSTRACT:
A circuit having several resonant frequencies is disclosed, using the interwinding capacitance between layers of coils for the tuned circuit capacitors. The use of such multiple frequency circuits as antenna traps is shown.
REFERENCES:
patent: 3560895 (1971-02-01), Matsumoto
patent: 4255728 (1981-03-01), Doty
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