GPD-X303S Series User Manual 
OVERVIEW 
This chapter describes the GPD-2303S/GPD-
3303S/GPD-4303S series in a nutshell, including 
its main features and front / rear panel 
introduction. After going through the overview, 
follow the Setup chapter (page23) to properly 
power up and set operation environment. 
Introduction 
 
Overview 
The GPD-X303S regulated DC power supply series 
are light weight, adjustable, multifunctional work 
stations. The GPD-2303S has a 2 independent 
adjustable voltage outputs. The GPD-3303S three 
independent outputs: two with adjustable voltage 
levels and one with fixed level selectable from 
2.5V, 3.3V and 5V. The GPD-4303S has four 
independent voltage outputs that are all fully 
adjustable. The GPD-X303S series can be used for 
logic circuits where various output voltage or 
current are needed, and for tracking mode 
definition systems where plus and minus voltages 
with insignificant error are required. 
10