Split-ring resonator bandpass filter with adjustable zero

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit

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455327, 333204, H04B 116

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active

053136624

ABSTRACT:
A bandpass filter, having an input port and an output port, comprises a first microstrip split-ring resonator coupled to input port, and a second microstrip split-ring resonator coupled to the first microstrip split-ring resonator, and coupled to the output port. A lumped or distributed capacitance is disposed between the first microstrip split-ring resonator and the second microstrip split-ring resonator.

REFERENCES:
patent: 4470096 (1984-09-01), Guertin
patent: 4513263 (1985-04-01), Minnis
patent: 4763340 (1988-08-01), Yoneda et al.
patent: 4876744 (1989-10-01), Endo et al.
patent: 4949398 (1990-08-01), Maas
patent: 5124675 (1992-06-01), Komazaki et al.
Mirdn, "A Hybrid UHF Narrow-Band Filter Design" IEEE Transactions on Circuits & Systems pp. 353-357 vol. 38, No. 2, Apr. 1, 1991.

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