Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1985-04-22
1986-09-23
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333157, 333164, 333248, H01P 118
Patent
active
046138358
ABSTRACT:
A reflection phase shifter connectable to a waveguide for shifting the phase of a high frequency signal received from the waveguide. The phase shifter includes a waveguide section having two pairs of opposite side walls and an end wall forming a short-circuit. The side walls define a cavity and an opening opposite to the end wall for communication with the waveguide. The waveguide section has a broad dimension between one pair of opposite side walls corresponding to the width dimension of the waveguide and a narrow dimension between the other pair of opposite side walls which is smaller than the height dimension of the waveguide. A switchable semiconductor arrangement, including a switching semiconductor element and a housing for accommodating the switching semiconductor element, is adjustably mounted in a side wall of the waveguide section and penetrates into the said cavity with a controllable penetration depth for tuning said waveguide section for a desired phase angle shift. A tuning pin is mounted in a side wall of the waveguide section so that the tuning pin is disposed opposite the switchable semiconductor arrangement.
REFERENCES:
patent: 3452255 (1969-06-01), Neale et al.
patent: 3521203 (1970-07-01), Sharpless
E. Kpodzo et al, "Mikrowellen Magazin (Microwave Magazine) vol. 8, No. 6, 1982, pp. 688-690.
ANT Nachrichtentechnik GmbH
Nussbaum Marvin L.
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