Helix resonator

Details Helix resonator Helix resonator

1993-04-21

1994-09-27

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, 333235, H01P 120, H01P 700

Patent

active

053510232

ABSTRACT:
A helix resonator comprises a printed board (1) made of dielectric material, a resonator coil (2) having a high impedance end and a low impedance end and mounted on the printed board and formed by a conductor wound several turns to form a cylindrical coil, an electrically conducting cover (6) surrounding the resonator coil (2), and on the surface of the printed board a strip line (4) of electrically conducting material electrically coupled to the last or second last turn of the resonator coil (2) near the high impedance end.

REFERENCES:
patent: 3247475 (1966-04-01), Buetow
patent: 4342969 (1982-08-01), Myers et al.
patent: 4459571 (1984-07-01), Fraser
patent: 4682131 (1987-07-01), May
patent: 4977383 (1990-12-01), Niiranen
patent: 5047739 (1991-09-01), Kuokkanen

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