Patent ID: 9385774
Filing Date: 2016-07-05
CPC Classification: H04B,H04W,Y02D

Claim Text:
1. Transceiver circuitry on an integrated circuit chip having reduced power consumption and high dynamic range, comprising: (a) a first resonant circuit coupled to a narrowband interface between a first amplifier and an interfacing circuit, the first resonant circuit including a programmable first reactive element and a second reactive element which together determine a resonant frequency of the first resonant circuit; (b) wherein the transceiver circuitry includes an in-phase signal channel and a quadrature-phase signal channel and amplitude sensing circuitry for sensing a maximum amplitude of one of an in-phase signal and a quadrature-phase signal; and (c) on-chip first and second tone generation circuits for generating tones for injection into the in-phase signal channel and the quadrature-phase signal channel and operative in response to frequency scanning circuitry and also operative in response to the amplitude sensing circuitry to adjust the programmable first reactive element to calibrate the resonant frequency of the first resonant circuit from an undesired value to a desired resonant frequency by selectively coupling reactive sub-elements into operative relationship with the programmable first reactive element, wherein the first and second tone generation circuits are operable to inject two tones at the same time.