SYSTEMS AND METHODS FOR REMOVING VARIABLE DC OFFSET OF PERIODIC ANALOG SIGNALS
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 19, 2023
filing date -
Sep 19, 2023
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Abstract
A signal processing system and method for removing a direct-current (DC) component from an analog input signal input is provided. The signal processing system includes an input transmission line, a first reference measurement circuit, a second reference measurement circuit, a bias detection circuit, and a bias removal circuit. The method includes determining, via the first reference measurement circuit, a first measured peak signal; determining, via the second reference measurement circuit, a second measured peak signal; determining, via the bias detection circuit, a bias signal indicative of the DC component of the analog input signal based at least in part on the first and second measured peak signals; and generating, via the bias removal circuit, an analog output signal based at least in part on the analog input signal and the bias signal. The analog output signal is the analog input signal with the DC component removed therefrom.
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