Resistance - This is only available on Keysight N6781A and N6785A. Output resistance programming
is primarily used in battery emulation applications, and only applies in Voltage Priority mode. Values
are programmed in Ohms, from – 40 mΩ to + 1 Ω.
Battery Emulator/Battery Charger
This information only applies to Models N6781A and N6785A.
A battery emulator imitates a battery’s charging and discharging functions. A battery charger imitates
a battery charger; it cannot sink current like a battery. The following figures show the Battery
emulator/Battery charger settings.
Battery Emulator - lets you specify the battery voltage and range as well as the + and – current limits.
The output resistance is programmable, from – 40 mΩ to + 1 Ω. Voltage Priority mode is locked. The
voltage setting is limited to positive values. The + and – current limits are set to their maximum values.
The – current limit setting sets the current limit when the battery is being charged.
Battery Charger - lets you specify the charge voltage and range as well as the positive current limit.
Voltage Priority mode is locked. Because the battery charger can only source current, the voltage and
current settings are limited to positive values.
CC Load/CV Load
The CC Load emulates a constant-current load. The CV Load emulates a constant-voltage load. The
figures below show the CC and CV load settings.
3 Using the Source Functions
90 Keysight N6705C Operating and Service Guide
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