Aim tti 3 3v 5v dual power supply aim tti ql355t sii p the ql series uses pure linear technology and offers unrivalled performance in terms of regulation output noise and dynamics line and load regulation are close to the limit of measurement recovery time from transient current pulses is better than 50 micro s output noise is less than 350 micro v rms in cv mode and down to 20 micro a rms in ci mode dramatically better than other psus p p the user interface of the ql series has been