2308-900-01 Rev. A / July 2008
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Section Topics
1-5
Model 2308 Portable Device Battery/Charger Simulator User’s Manual
Section 1: Getting Started
A simplified diagram of the power supply is shown in
Figure 1-3
. Note that it can read back the
output voltage (V
meter
) and current (I
meter
). Display resolution for voltage readback is 1mV.
The battery channel (#1) has four current ranges: 5 A, 500 mA, 50 mA and 5 mA. The charger has
5 A and 5 mA. The resolution on 5 A is 100
μ
A, and on 5 mA is 0.1
μ
A. The 500 mA is 10
μΑ
and
50 mA is 1
μΑ
.
The power supply also has a digital voltmeter (DVM - on the charger channel only) that is
independent of the power supply circuit. The DVM can measure up to +30 V (1 mV resolution).
The power supply has analog output pins that allow acquisition of the load current waveform for in-
depth analysis on the battery channel only (see
Analog output
for more information).
When used with a pulsed load, the power supply can read back peak current, idle current, and
average current (see
Section 3
for details). A long integration (up to 60 seconds) function is
provided to measure average current of a low frequency pulse (long period) or a series of pulses
(see
Section 4
for details).
Figure 1-3
Simplified power supply diagram
Remote display option
If you are mounting the power supply in a location where the display cannot be seen or the
controls are not easily accessible, use this option (see
Figure 1-4
). This remote display module
Battery Channel
(Channel #1)
Source
+
_
V-Source
with I-Limit
I meter
V meter
Charger Channel
(Channel #2)
Source
+
_
V-Source
with I-Limit
I meter
V meter
+
_
Digital
Voltmeter
DVM
Shunt
Current
Monitors
5/50mA
0.5/5A
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