Loaded line phase shifter

Details Loaded line phase shifter Loaded line phase shifter

1990-03-21

1991-07-16

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333164, H01P 1185

Patent

active

050328069

ABSTRACT:
A loaded line phase shifter using striplines diposed on a semiconductor substrate includes a main stripline having an electrical length of one-half wavelength, loaded striplines connected to respective ends of the main stripline, a field effect transistor having its source electrode and its drain electrode connected to the respective load lines, a bias circuit connected to the gate electrode of the field effect transistor for controlling the bias voltage applied to the gate electrode, and a resonant stripline connected between the source electrode and the drain electrode.

REFERENCES:
patent: 4458219 (1984-07-01), Vorhaus
Naster et al., "Affordable MMIC Designs for Phased Arrays", Microwave Journal, Mar. 1987, pp. 141-147.

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