User guide

Parameter Agilent Model Number
6690A 6691A 6692A
Output Ratings
Voltage: 0-15 V 0-30 V 0-60 V
Current:* 0-440 A 0-220 A 0-110 A
*Derated linearly 1%/°C from
40°C to 55°C
Programming Accuracy (@ 25 ±5°C)
Voltage: 0.04% + 15 mV 30 mV 60 mV
Current: 0. l % + 230 mA 125 mA 65 mA
Ripple & Noise
(from 20 Hz to 20 MHz with
outputs ungrounded, or with
either output terminal grounded)
Constant Voltage: rms 2.5 mV 2.5 mV 1.5 mV
Constant Voltage: p-p 15 mV 25 mV 25 mV
Constant Current:** rms 200 mA 50 mA 30 mA
**With load inductance >5 µH.
Readback Accuracy
(from front panel or over GPIB
with respect to actual output
@ 25 ±5°C)
Voltage: 0.05% + 22.5 mV 45 mV 90 mV
±Current: 0.1% + 300 mA 165 mA 80 mA
Load Regulation
(change in output voltage or
current for any load change
within ratings)
Voltage 0.002% + 650 µV 1.1 mV 2.2 mV
Current: 0.005% + 40 mA 17 mA 9 mA
Line Regulation
(change in output voltage or current
for any line change within ratings)
Voltage: 0.002% + 650 µV 650 µV 650 µV
Current: 0.005% + 40 mA 17 mA 9 mA
Transient Response Time
(for the output voltage to recover
to within 150 mV following any step
change from 100% to 50% or 50% to
100% of the rated output current): <900 µs
Specifications