1
Resistanceprogramming accuracy varies with output current. For example, for an N7970A unit at 0.1Ω with a 50A transient, accuracy is:
(0.1Ω * 0.06%) + (1.6mΩ*A/50A) = 92 µΩ.
2
Per degree C
3
From occurrenceof over-voltageto start of shutdown
4
With single point averaging
5
From 20 Hz to 300 kHz for rms noise; from 20 Hz to 20 MHz for peak-to-peak noise
6
With full resistive load and a voltage transition from 0.1% to 100% of rated output
7
With no load and a voltagetransition from 100% to 0.1% of rated output
8
From start of voltagechange to within 0.1% of final full scale value
9
With full resistive load and a current transition from 0.1% to 100% or 100% to 0.1% of rated output
10
With High Bandwidth setting, no load condition (seeVoltage Programming Response)
11
With resistiveload condition
Common Characteristics
Common Characteristic All Models
Command Processing Time ≤ 1 ms from receipt of command to start of output change. Applies to simple settings commands over the
GPIB interface (see Command Processing Times)
Digital Port
Max voltage rating:
Pins 1 & 2 as FLT:
Pins 1-7 as outputs:
Pins 1-7 as inputs:
Pin 8:
+16.5 VDC/- 5 VDC between pins
Maximum low-level output voltage = 0.5 V @ 4 mA
Maximum low-level sink current = 4 mA
Typical high-level leakage current = 1 mA @ 16.5 VDC
Maximum low-level output voltage = 0.5 V @ 4 mA;
1 V @ 50 mA; 1.75 V @ 100 mA
Maximum low-level sink current = 100 mA
Typical high-level leakage current = 0.8 mA @ 16.5 VDC
Maximum low-level input voltage = 0.8 V
Minimum high-level input voltage = 2 V
Typical low-level current = 2 mA @ 0 V (internal 2.2k pull-up)
Typical high-level leakage current = 0.12 mA @ 16.5 VDC
Pin 8 is common (internally connected to chassis ground)
Computer Interfaces
LXI Core 2011
USB
GPIB
Language
10/100 Base-T Ethernet(Sockets, VXI-11 protocol, Web user interface)
USB 2.0 (USB-TMC488 protocol)
GPIB IEEE 488
SCPI - 1993, IEEE 488.2 compliant
Regulatory Compliance
EMC:
Safety:
Complies with European EMC Directive for test and measurement products
Complies with Australian standard and carries C-Tick mark
This ISM device complies with Canadian ICES-001
Cetappareil ISM est conforme à la norme NMB-001 du Canada
Complies with European Low Voltage Directive and carries the CE-marking.
Conforms to US and Canadian safety regulations.
Declarations of Conformity for this product may be downloaded from the Web. Go to
http://regulations.corporate.keysight.com and click on “Declarations of Conformity.”
1 Quick Reference
54 Keysight N6900/N7900 Series Operating and Service Guide
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