Agilent Technologies N3280A User Manual Page 79

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79
A
Specifications
Introduction
Table A-1 lists the specifications of the dc source. Unless otherwise noted, specifications are warranted
at 25°C ± 5°C after a 30-minute warm-up period. Sense terminals must be connected to their respective
output terminals.
Table A-1. Specifications
Parameter Voltage Priority Current Priority
Output Ratings
(refer to derating
characteristic)
Voltage:
Current:
-10.25V to +10.25V
- 0.5125A to +0.5125A
-8V to +8V (min. with full resistive load)
-11.25V to +11.25V (max. with no load)
- 0.5125 mA to +0.5125 mA
Programming Accuracy
Voltage
+ Current Limit:
- Current Limit:
Current:
0.1%±2mV
0.1%±50µA
0.1%±50µA
N/A
N/A
N/A
N/A
0.1%±1µA
Readback Accuracy
1
Voltage:
0.5A Curr. Range:
15mA Curr. Range:
0.5mA Curr. Range:
0.1%±2mV (5 points)
0.1%±200µA (5 points)
0.1%±5µA (5 points)
0.1%±200nA (1 PLC)
0.1%±2mV (5 points)
0.1%±200nA ( 1 PLC)
0.1%±200nA ( 1 PLC)
0.1%±200nA ( 1 PLC)
Ripple and Noise
(In the range of
20 Hz to 20 MHz )
Voltage (rms)
2
:
Voltage (p-p)
2
:
±Current Limit (rms)
3
:
Current (rms)
4
:
0.380mV
4mV
40µA
N/A
N/A
N/A
N/A
1.5µA
Load Effect
(Change from no load to full
load or full load to no load
by varying a resistive load)
Voltage:
+ Current Limit:
- Current Limit:
Current:
±400µV
±30µA
±30µA
N/A
N/A
N/A
N/A
±25nA
Source Effect
(change in output voltage or
current for any line change
within ratings)
Voltage:
+ Current Limit:
- Current Limit:
Current:
±200µV
±10µA
±10µA
N/A
N/A
N/A
N/A
±10nA
Output Transient
Response
Voltage (@ 10kHz)
5
:
(@ 20kHz):
(@ 30kHz):
Current
6
:
60µs
45µs
35µs
N/A
N/A
N/A
N/A
90µs
1
Voltage accuracy specification in voltage priority mode guaranteed between –10.25V to +10.25V. 0.5A current range accuracy specification
in voltage priority mode guaranteed between –0.5125A and +0.5125A. Readback for Voltage, 0.5A, and 15mA current ranges is based on
capturing 5 data points at intervals of 30.4µs and averaging the readings. Readback for 0.5mA current range is based on averaging the readings
over 1 power line cycle (60 Hz = 548 points @ 30.4µs). The default setting for all readback ranges is the average of 5 data points 30.4µs apart.
2
Program Vset to ±10V using a 20 ohm load resistor.
3
Program current to +500mA using a 20 ohm load resistor. Program Vset to ±10.25V.
4
Program current to ±0.5mA using a 16K ohm load resistor.
5
Measured with a 10uF output capacitor with 0.2 ohm ESR across the output with the current limit set to +0.5125A. The load current rise time
is approximately 10us for a current change of 0.25Ato 0.5A or 0.5A to 0.25A. Measure the output voltage recovery time to within 40mV of its
final value.
6
Measured following a voltage change of –1V to +1V or +1V to –1V with approximately 25us time constant with the current priority current
level set to 0uA. Measure the output current recovery time to within ±1mA of its final value.
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