Patent ID: 11870404
Assignee: QUALCOMM INCORPORATED
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A method for gain stabilization within at least one amplification circuit of a pipeline analog-to-digital converter, the at least one amplification circuit coupled between at least two stages of the pipeline analog-to-digital converter, the method comprising:
amplifying an input signal using an amplifier of the at least one amplification circuit having a gain based on a bias voltage and an amplification control signal;
amplifying a calibration input voltage using a replica amplifier of the at least one amplification circuit having a replica gain that is based on the bias voltage and the amplification control signal; and
adjusting at least one of the bias voltage or the amplification control signal based on a difference between an input voltage and an output voltage of the replica amplifier.