Aim tti plh120 p 0 120v 0 0 75a single power supply aim tti plh120 p p the aim tti plh120 p retains the ultra compact format high power density and smart analog controls of the plh120 p but offers voltages up to 120v to cover applications beyond the capabilities of standard bench psus and into areas such as magnetics p p as technology has changed many products have moved from analog controls to digital ones although digital controls suit many instruments they do not necessarily sui