https://www.electronicdesign.com/resources/white-papers/whitepaper/21124182/power-supply-rejection-ratio-measurement-psrr
Power supply rejection ratio measurement (PSRR) | Electronic Design
Power supply design engineers often face the challenge of measuring the power supply rejection ratio or power supply ripple rejection (PSRR) of their design....
power supply rejection ratiomeasurementpsrrelectronicdesign