Agilent 668x
Supplemental characteristics

		6680A	6681A	6682A	6683A	6684A	6680A-J04
Ripple and noise constant current mode from 20 Hz to 20 MHz
rms		290 mA	190 mA	40 mA	28 mA	23 mA	—
Average programming resolution
Voltage		1.35 mV	2.15 mV	5.7 mV	8.6 mV	10.8 mV	12 mV
Current		235 mA	155 mA	64 mA	43 mA	34 mA	260 mA
OVP		30 mV	45 mV	120 mV	180 mV	225 mV	25 mV
Output voltage programming response time		9 ms	12 ms	45 ms	60 ms	60 ms	9 ms
(excludes command-processing time) Full-load progrmming rise or fall time (10 to 90% or 90 to 10%, resistive load)
Output common-mode
noise current (to signal-ground binding post)	rms	1.5 mA	1.5 mA	3 mA	3 mA	3 mA	2.0 mA
	peak-to-peak	10 mA	10 mA	20 mA	20 mA	20 mA	12.5 mA
Note 1: Option 6680A-JO4 is not available outside the USA because certification process is not complete.

Supplemental characteristics for all 668x model numbers
dc Floating Voltage	Output terminals can be floated up to ±60 Vdc maximum from chassis ground
Remote Sensing	Up to half the rated output voltage can be dropped in each load lead. The drop in the load leads subtracts from the voltage available for the load.
Command Processing Time	Average time required for the output voltage to begin to change following receipt of digital data is 20 ms for power supplies connected directly to the GPIB.
Modulation	(analog programming of output voltage and current)
Input Signal	0 to –5 V for voltage, 0 to +5 V for current
Input Impedance	30 k&Ohm;/or greater
ac Input (47 to 63 Hz)	180 to 235 Vac (line-to-line, 3 phase), 27.7 A rms maximum worst case, 21.4 A rms nominal; 360 to 440 Vac, 14.3 A rms maximum worst case, 10.7 A rms nominal (maximum line current includes 5% unbalanced phase voltage condition.) Output voltage derated 5% at 50 Hz and below 200 Vac.
Input Power	7350 VA and 6000 W maximum; 160 W at no load
GPIB Interface Capabilities	SH1, AH1, T6, L4, SR1, RL1, PP0, DC1, DT1, E1, and C0. IEEE-488.2 and SCPI command set.
Size	425.5 mm W x 221.5 mm H x 674.7 mm D (16.75 in x 8.75 in x 25.56 in)
Weight	Net, 51.3 kg (113 lbs) Shipping, 63.6 kg (140 lbs)

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