Transmission-line-based signal distribution and aggregation
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United States of America Patent
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Nov 9, 2021
Grant Date -
Apr 23, 2020
app pub date -
Oct 17, 2019
filing date -
Oct 17, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A tapped transmission line for distributing an electrical signal, such as an RF signal, to multiple modules, and/or aggregating signals from multiple modules. Embodiments of the invention provide a tapped transmission line based on a transmission-line medium along which tap elements are dispersed, so that the tap elements have a predominantly capacitive loading of the transmission-line medium. Methods for compensating the loss of the transmission-line medium are presented as well. Applications for distribution of transmitted signals, of local oscillator signals, and to aggregation of signals from multiple oscillators are disclosed. The invention is particularly applicable to integrated circuits (IC, ASIC, RFIC), and to multichannel RF systems such as phased array and MIMO systems.
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