Band-pass filter for hyperfrequencies

Details Band-pass filter for hyperfrequencies Band-pass filter for hyperfrequencies

1986-02-26

1988-03-15

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333205, H01P 120

Patent

active

047315962

ABSTRACT:
This highly reproducible stripline band-pass filter comprises, between its two leads (A and B), n halfwave resonators (1-7) connected in series. Suitable capacitors (C0-C7) provide a powerful coupling between the successive elements of the series circuit. Quarterwave resonators (10, 11, 70, 71) each having one end connected to the series circuit provide a steep-edge amplitude/frequency response at the limits of the pass-band of the hyperfrequency, wideband filter so obtained.

REFERENCES:
patent: 3588757 (1971-06-01), Andrascek
patent: 3605045 (1971-09-01), Ramsbotham, Jr.
patent: 4319208 (1982-03-01), de Bayser et al.
patent: 4418324 (1983-11-01), Higgins
patent: 4578656 (1986-03-01), Lacour et al.
IEEE Transactions on Microwave Theory and Techniques (MTT vol. 31, No. 5, May 1983, pp. 392-404), by C. Mobbs et al.
IEEE Transactions on Microwave Theory and Techniques (MTT vol. 22, No. 5, May 1974, pp. 499-504), by E. G. Cristal et al.

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