High accuracy millimeter wave/radio frequency wideband in-phase and quadrature generation
M Taghivand, T Zhang, MM Ghahramani - US Patent 9,685,931, 2017 - Google Patents
Certain aspects of the present disclosure provide circuits for generating high accuracy
millimeter wave or radio fre quency (RF) wideband in-phase (I) and quadrature (Q) …
millimeter wave or radio fre quency (RF) wideband in-phase (I) and quadrature (Q) …
Polyphase filter with interphase coupling
TD Gathman, LK Leung, CD Patel, X Yu… - US Patent …, 2023 - Google Patents
2021-05-04 Assigned to QUALCOMM INCORPORATED reassignment QUALCOMM
INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …
INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …
Quadrature signal generator, beamforming arrangement, communication device and base station
F Mu - US Patent 9,281,888, 2016 - Google Patents
(57) ABSTRACT A quadrature signal generator comprises a resistor-capacitor, RC,
polyphase filter and an inductor compensation arrange ment. The inductor compensation …
polyphase filter and an inductor compensation arrange ment. The inductor compensation …
Capacitor compensated dual of polyphase filter
B Davis, A Balakrishnan - US Patent 10,734,967, 2020 - Google Patents
A polyphase filter operates to provide capacitive compensation to drive a multiphase
network for generating quadrature signals. The polyphase filter can include a capacitive …
network for generating quadrature signals. The polyphase filter can include a capacitive …
Polyphase filter for mm-wave frequencies featuring symmetric layout
P Reynaert, S Kulkarni, D Zhao - US Patent 9,281,796, 2016 - Google Patents
(57) ABSTRACT A two-stage, passive, RC polyphase filter for mm-wave quadrature LO
generation is presented. The filter features an innovative, symmetrical layout structure, which …
generation is presented. The filter features an innovative, symmetrical layout structure, which …
Polyphase filter (PPF) including RC-LR sections
M Abdelsalam, H Beshary, MA Abdalla - US Patent 11,101,782, 2021 - Google Patents
Polyphase filters (PPFs) can be used to generate quadrature or other phase-shifted
representations of an input signal provided to the PPF. In one approach, a “passive” …
representations of an input signal provided to the PPF. In one approach, a “passive” …