Adaptive tuning networks with direct mapped multiple channel filter tuning

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12237821
APP PUB NO 20240128945A1
SERIAL NO

18492357

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Abstract

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A flexible multi-path RF adaptive tuning network switch architecture that counteracts impedance mismatch conditions arising from various combinations of coupled RF band filters, particularly in a Carrier Aggregation-based (CA) radio system. In one version, a digitally-controlled tunable matching network is coupled to a multi-path RF switch in order to provide adaptive impedance matching for various combinations of RF band filters. Optionally, some or all RF band filters include an associated digitally-controlled filter pre-match network to further improve impedance matching. In a second version, some or all RF band filters coupled to a multi-path RF switch include a digitally-controlled phase matching network to provide necessary per-band impedance matching. Optionally, a digitally-controlled tunable matching network may be included on the common port of the multi-path RF switch to provide additional impedance matching capability. In a third version, CA direct mapped adaptive tuning networks include filter tuning blocks for selected lower frequency bands.

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Patent Owner(s)

  • PSEMI CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ayranci, Emre Costa Mesa, US 65 284
Cheng, Chih-Chieh Poway, US 48 123
Li, Ke San Diego, US 278 1900
McElwee, James Francis Austin, US 7 60
Ranta, Tero Tapio San Diego, US 114 1692
Roberts, Kevin Rohnert Park, US 46 210
Sanner, Miles San Diego, US 56 196

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