18478118. PHASE SHIFTER WITH PERIODIC CELLS (Apple Inc.)
PHASE SHIFTER WITH PERIODIC CELLS
Organization Name
Inventor(s)
Tarek Khedr Abdalla Mealy of San Diego CA US
Nitesh Singhal of Santa Clara CA US
Abbas Komijani of Mountain View CA US
Hideya Oshima of Santa Clara CA US
Xiaoqiang Li of San Diego CA US
PHASE SHIFTER WITH PERIODIC CELLS
This abstract first appeared for US patent application 18478118 titled 'PHASE SHIFTER WITH PERIODIC CELLS
Original Abstract Submitted
A phase shifter circuit may include a multiple phase shifter cells (or cells) to selectively shift a phase of an input signal by a desired phase shift value. For example, each of the phase shifter cells may shift the phase of the input signal by a positive fractional phase shift value or a negative fractional phase shift value. The phase shifter cells may include circuitry to form an inductor-capacitor circuit to provide the negative fractional phase shift value and form a capacitor-inductor circuit to provide the positive fractional phase shift value. The phase shifter cells may receive control signals to form the inductor-capacitor circuit and the capacitor-inductor circuit. An electronic device may include multiple phase shifter circuits to adjust a phase of transmission signals and/or reception signals of phased array antennas.
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