Printed broadband rf bias circuits

Details Printed broadband rf bias circuits Printed broadband rf bias circuits

1975-10-17

1977-05-10

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

333 97S, H01P 500

Patent

active

040231259

ABSTRACT:
A printed broadband rf transmission line circuit is provided with a D.C. bias port in the form of a high impedance printed stub conductor connected between a ground point and the transmission line. Minimum attenuation of a broadband rf signal on the line is achieved by including in the transmission line a plurality of series-connected conductor segments having different line length and impedance values such that the transmission line and stub conductor configuration are tuned to provide a maximum voltage transmission coefficient across the D.C. bias port. The parameters for the series-connected transmission line segments and the stub conductor are selected by performing a computer optimization of the chain matrix equivalent expression of the voltage transmission coefficient for the series-connected transmission line segments together with the stub conductor.

REFERENCES:
patent: 3246265 (1966-04-01), Smith-Vaniz
patent: 3419813 (1968-12-01), Kamnitsis
patent: 3475700 (1969-10-01), Ertel
patent: 3665339 (1972-05-01), Liu

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