1 Output Power Supply with 2 ranges: 0-8V / 5A or 0-20V / 2.5A, 50W, GPIB and RS232 Interfaces Standard The Agilent (now Keysight) 50 W, single output E3642A is a stable and reliable power supply for benchtop and basic automated test applications, and enables versatile solutions for tests that require moderate speed and precision with both GPIB and RS232. Output Ratings: Range 1: 0 to 8 V / 5 A Range 2: 0 to 20 V / 2.5 A Programming Accuracy: Voltage: <0.05% + 10 mV Current: <0.2% + 10 mA Ripple & Noise 20 Hz to 20 MHz: Normal Mode Voltage: <5 mVpp / 0.5 mVrms Normal Mode Current: <4 mArms Common Mode Current: <1.5 uArms Readback Accuracy: Voltage: <0.05% + 5 mV Current: <0.15% + 5 mA