Feb 8, 2010 #1 M mmgkrishna71 Newbie level 1 Joined Nov 21, 2006 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,285 How to setup in laboratory to test PSRR of a voltage regulator / bandgap circuit
Feb 8, 2010 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,308 Trophy points 1,393 Location Germany Activity points 44,123 Just put a 1V AC source in series with the device's power supply and measure the AC voltage at its output. The ratio is the PSRR. You'd perhaps like to measure the PSRR over the AC frequency.
Just put a 1V AC source in series with the device's power supply and measure the AC voltage at its output. The ratio is the PSRR. You'd perhaps like to measure the PSRR over the AC frequency.