7 Characteristic and Specifications
192 E364xA User’s and Service Guide
Electrical Specifications
Table 7-2 Electrical specifications
Parameters E3646A E3647A E3648A E3649A
Voltage output (V)
(at 0 to 40 °C)
Low range 0 V to +8 V 0 V to +35 V 0 V to +8 V 0 V to +35 V
High range 0 V to +20 V 0 V to +60 V 0 V to +20 V 0 V to +60 V
Current output (A)
(at 0 to 40 °C)
Low range 0 A to 3 A 0 A to 0.8 A 0 A to 5 A 0 A to 1.4 A
High range 0 A to 1.5 A 0 A to 0.5 A 0 A to 2.5 A 0 A to 0.8 A
Programming accuracy
[a]
12 months (at 25 °C ±5 °C),
±(% of output + offset)
Voltage <0.05% + 10 mV (<0.1% + 25 mV for output 2)
Current <0.2% + 10 mA
Readback accuracy
[a]
12 months (over GPIB and
RS-232 with respect to actual
output at 25 °C ±5 °C),
±(% of output + offset)
Voltage <0.05% + 5 mV (<0.1% + 25 mV for output 2)
Current <0.15% + 5 mA (<0.15% + 10 mA for output 2)
Meter accuracy
[a][b]
12 months (over front panel
with respect to actual output at
25 °C ±5 °C), ±(% of output +
offset)
Voltage < (0.05% + 2 counts) (<0.1% + 4 counts for output 2)
Current <0.15% + 5 mA (<0.15% + 10 mA for output 2)
Ripple and noise
(with outputs ungrounded, or
with either output terminal
grounded, 20 Hz to
20 MHz)
Normal mode
voltage
<0.5 mVrms
and 5 mVpp
<1 mVrms
and 8 mVpp
<0.5 mVrms
and 5 mVpp
<1 mVrms
and 8 mVpp
Normal mode
current
<4 mArms
Common mode
current
<1.5 µArms
Load regulation
±(% of output + offset)
Voltage <0.01% + 3 mV
Current <0.01% + 250 µA
Line regulation
±(% of output + offset)
Voltage <0.01% + 3 mV
Current <0.01% + 250 µA