Variable-phase ring-oscillator arrays, architectures, and...

Details Variable-phase ring-oscillator arrays, architectures, and... Variable-phase ring-oscillator arrays, architectures, and...

2007-05-14

2010-11-23

Dao, Minh D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Panoramic display

C455S086000, C455S085000, C455S141000, C455S146000, C327S105000, C375S372000

Reexamination Certificate

active

07840199

ABSTRACT:
Embodiments of the present disclosure allow for a linear phase progression between adjacent elements in array by providing a symmetric ring configuration of tuned amplifiers and a single phase shifter. This ring topology is coupled to a single phase locked loop (“PLL”) that allows for direct modulation and demodulation of arbitrary waveforms without using RF up/down converting mixers. In addition, the PLL distributes the transmit waveforms to all antenna elements in the transmit mode and combines the received waveforms in the receive mode without any complicated power distribution network.

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