5
Quick Comparison of Agilent Technologies 30W to 200W Low Power DC Power Supplies
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
Moderate speed
High performance
High performance
High performance
general purpose
semi-automated and
automated production
automated production
automated production
bench testing
automated production test
test
test
test
Size
Half rack, 3U
Half rack, 2U/3U
Half rack, 2U
Full rack, 2U
Full Rack, 2U
Connections
E3631/2A, Front only
Front & rear
Rear only
Rear only
Rear only
E3633/4A, Front & rear
Programming
GPIB and RS-232
GPIB and RS-232
GPIB and RS-232
GPIB and RS-232
GPIB only
Programmable No
No
Yes
Yes
Yes
Wakeup State
Throughput Capabilities
Output rise/fall
130 to 550 ms
<90 ms
6 ms
6 ms
35 ms
Transient Response
<50µs for output to
<50µs for output to
≤
100µs(50µs in the
≤
100µs(50µs in the
≤
100µs for output
recover within 15mV
recover within 15mV
fast mode) for output
fast mode) for output
voltage to recover
following a change in
following a change
voltage to recover
voltage to recover
from zero to full load
output current
in output current
from zero to full load
from zero to full load
within 20mV
within 20mV
within 20mV
DFI/RI
Relay control available Relay control available Allows shut down of
Allows shut down of
Allows shut down of
from pin 1 of RS-232
from pin 1 of RS-232
multiple supplies or
multiple supplies or
multiple supplies or
connector
connector
other h/w, provides for other h/w, provides
other h/w, provides
output relay control
for output relay control for output relay control
Active Down
No
No
Yes
Yes, negative current is Yes, sinks 20% of rated
programmer
programmable.
output current.
Performance
Ripple and Noise
2 – 3mVpp/0.35 –
<5mVpp/0.5mVrms for 3mVpp/0.3mVrms for
3mVpp/0.3mVrms for
3mVpp/300mVrms for
(20 Hz to 20 MHz)
0.5mVrms
8V/20V models
8V/20V models
8V/20V models
8V/20V models
<8mVpp/1mVrms for
3mVpp/0.5mVrms for
3mVpp/0.5mVrms for
4mVpp/400mVrms for
35V/60V models
50V model
50V model
35V model
3mVpp/0.5mVrms for
3mVpp/0.5mVrms for
5mVpp/500mVrms for
100V model
100V model
60V model
7mVpp/700mVrms for
120V model
Line/Load Regulation
Voltage <0.01% + 2mV Voltage <0.01% + 3mV Voltage 0.5mV – 5 mV
Voltage 0.5mV – 5 mV
Voltage 0.5mV – 5 mV
Current <0.01% + 250mA Current <0.01% + 250mA Current 0.25mA – 1mA
Current 0.25mA – 1mA Current 0.25mA – 1mA
Remote Sensing
Can drop up to 0.7V
Can drop up to 1V in
Can drop up to 2V in
Can drop up to 2V in
Can drop up to 2V in
in each load lead
each load lead
each load lead
each load lead
each load lead
E3631A, None
Meters
4 or 5 digit voltage/
4 digit
4 digit
4 digit
4 digit
4 digit current
