Agilent 30W to 200W Low Power DC Power Supplies Comparison Guide

Features	E363XA	E364XA	661XC	663XB	664XA
No. of Models	4	10	4	4	5
Delivery	< 1 week, typically	< 1 week, typically	1 week	1 week	1 week
No. of Outputs	1 or 3	1 or 2	1	1	1
Applications	Semi-automated general purpose bench testing	Moderate speed semi-automated and automated production test	High performance automated production test	High performance automated production test	High performance automated production test
Size	Half rack, 3U	Half rack, 2U/3U	Half rack, 2U	Full rack, 2U	Full Rack, 2U
Connections	E3631/2A, Front only E3633/4A, Front & rear	Front & rear	Rear only	Rear only	Rear only
Programming	GPIB and RS-232	GPIB and RS-232	GPIB and RS-232	GPIB and RS-232	GPIB only
Programmable Wakeup State	No	No	Yes	Yes	Yes
Throughput Capabilities
Output rise/fall	130 to 550 ms	<90 ms	6 ms	6 ms	35 ms
Transient Response	<50µs for output to recover within 15mV following a change in output current	<50µs for output to recover within 15mV following a change in output current	=100µs (50µs in the fast mode) for output voltage to recover from zero to full load within 20mV	=100µs (50µs in the fast mode) for output voltage to recover from zero to full load within 20mV	=100µs for output voltage to recover from zero to full load within 20mV
DFI/RI	Relay control available from pin 1 of RS-232 connector	Relay control available from pin 1 of RS-232 connector	Allows shut down of multiple supplies or other h/w, provides for output relay control	Allows shut down of multiple supplies or other h/w, provides for output relay control	Allows shut down of multiple supplies or other h/w, provides for output relay control
Active Down programmer	No	No	Yes	Yes, negative current is programmable	Yes, sinks 20% of rated output current
Performance
Ripple and Noise (20 Hz to 20 MHz)	2 - 3mVpp/ 0.35 - 0.5mVrms	<5mVpp/0.5mVrms for 8V/20V models <8mVpp/1mVrms for 35V/60V models	3mVpp/0.3mVrms for 8V/20V models 3mVpp/0.5mVrms for 50V model 3mVpp/0.5mVrms for 100V model	3mVpp/0.3mVrms for 8V/20V models 3mVpp/0.5mVrms for 50V model 3mVpp/0.5mVrms for 100V model	3mVpp/300mVrms for 8V/20V models 4mVpp/400mVrms for 35V model 5mVpp/500mVrms for 60V model 7mVpp/700mVrms for 120V model
Line/Load Regulation	Voltage < 0.01% + 2mV Current < 0.01% + 250mA	Voltage <0.01% + 3mV Current <0.01% + 250mA	Voltage 0.5mV - 5 mV Current 0.25mA - 1mA	Voltage 0.5mV - 5 mV Current 0.25mA - 1mA	Voltage 0.5mV - 5 mV Current 0.25mA - 1mA
Remote Sensing	Can drop up to 0.7V in each load lead E3631A, None	Can drop up to 1V in each load lead	Can drop up to 2V in each load lead	Can drop up to 2V in each load lead	Can drop up to 2V in each load lead
Meters	4 or 5 digit voltage/ 4 digit current	4 digit	4 digit	4 digit	4 digit

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