公开(公告)号：US12228607B2

公开(公告)日：2025-02-18

申请号：US18298249

申请日：2023-04-10

Applicant: Teledyne LeCroy, Inc.

Inventor： Matthew Weinstein ,  Francois Lamarche ,  Lawrence Jacobs

IPC: G01R31/28 ,  G01R31/302

Abstract: A receiver comprising a magnitude correction circuit to receive an electrical signal defined by a phase. The electrical signal is a combined electrical signal comprising a first signal and a second signal. The magnitude correction circuit comprising a detector to generate a control signal proportional to received power of the second signal and an error amplifier coupled to the detector to compare a reference voltage against an output of the detector to determine an amplification or attenuation of the second signal based on a drift of the electrical signal. The receiver further comprising a variable gain amplifier coupled to the magnitude correction circuit to generate a compensated electrical signal based on the amplification or attenuation of the second signal determined by the magnitude correction circuit and a de-modulating mixer coupled to the magnitude correction circuit, the de-modulating mixer to mix a phase compensated signal and the compensated electrical signal.

公开(公告)号：US20240337685A1

公开(公告)日：2024-10-10

申请号：US18298249

申请日：2023-04-10

Applicant: Teledyne LeCroy, Inc.

Inventor： Matthew Weinstein ,  Francois Lamarche ,  Lawrence Jacobs

IPC: G01R31/28 ,  G01R31/302

CPC classification number: G01R31/2874 ,  G01R31/3025

Abstract: A receiver comprising a magnitude correction circuit to receive an electrical signal defined by a phase. The electrical signal is a combined electrical signal comprising a first signal and a second signal. The magnitude correction circuit comprising a detector to generate a control signal proportional to received power of the second signal and an error amplifier coupled to the detector to compare a reference voltage against an output of the detector to determine an amplification or attenuation of the second signal based on a drift of the electrical signal. The receiver further comprising a variable gain amplifier coupled to the magnitude correction circuit to generate a compensated electrical signal based on the amplification or attenuation of the second signal determined by the magnitude correction circuit and a de-modulating mixer coupled to the magnitude correction circuit, the de-modulating mixer to mix a phase compensated signal and the compensated electrical signal.