Patent ID: 9300406
Filing Date: 2016-03-29
CPC Classification: H04B,H04J,H04L

Claim Text:
1. A method of operating a BPSK modulator, the method comprising: receiving an RF signal at the BPSK modulator; splitting the RF signal into a first portion and a second portion that is inverted with respect to the first portion; receiving the first portion at a first arm of the BPSK modulator; receiving the second portion at a second arm of the BPSK modulator; applying a first tone to the first arm of the BPSK modulator; applying a second tone to the second arm of the BPSK modulator; measuring a power associated with an output of the BPSK modulator, wherein measuring the power associated with the output of the BPSK modulator comprises spectrally filtering the output; and adjusting a phase applied to at least one of the first arm of the BPSK modulator or the second arm of the BPSK modulator in response to the measured power.