Programmable DC Power Supplies — Tektronix PWS4000 Series
Characteristics
Electrical
Speci
fi
cations
PWS4205
PWS4305
PWS4323
PWS4602
PWS4721
DC Output Rating
Voltage
0 to 20 V
0 to 30 V
0 to 32 V
0 to 60 V
0 to 72 V
Current
0 to 5 A
0 to 5 A
0 to 3 A
0 to 2.5 A
0 to 1.2 A
Maximum Power
100 W
150 W
96 W
150 W
86 W
Load Regulation
Voltage
<0.01% + 2 mV
Current
<0.05% + 0.1 mA
<0.05% + 1.5 mA
<0.05% + 0.1 mA
<0.05% + 0.5 mA
<0.05% + 0.5 mA
Line Regulation
Voltage
<0.01
％
+ 1 mV
<0.01
％
+ 1 mV
<0.01
％
+ 1 mV
<0.01
％
+ 2 mV
<0.01
％
+ 1 mV
Current
<0.05
％
+ 0.1 mA
<0.05
％
+ 0.1 mA
<0.05
％
+ 0.1 mA
<0.05
％
+ 0.05 mA
<0.05
％
+ 0.1 mA
Ripple and Noise (20 Hz to 7 MHz)
Voltage
<1 mV
RMS
<3 mV
p-p
<1 mV
RMS
<4 mV
p-p
<1 mV
RMS
<4 mV
p-p
<1 mV
RMS
<5 mV
p-p
<1 mV
RMS
<3 mV
p-p
Current
<3 mA
RMS
<4 mA
RMS
<3 mA
RMS
<3 mA
RMS
<3 mA
RMS
Setting Resolution
Voltage
1 mV
Current
0.1 mA
Setting Accuracy (using remote sense, 25 °C ± 5 °C)
Voltage
±0.03% + 3 mV
±0.03% + 3 mV
±0.03% + 3 mV
±0.03% + 6 mV
±0.03% + 6 mV
Current
±0.05% + 2 mA
±0.05% + 2.5 mA
±0.05% + 2 mA
±0.05% + 1.5 mA
±0.05% + 1 mA
Readback Resolution
Voltage
1 mV
Current
0.1 mA
Readback Accuracy (25 °C ± 5 °C)
Voltage
±0.02% + 3 mV
±0.02% + 2.5 mV
±0.02% + 3 mV
±0.02% + 6 mV
±0.02% + 5 mV
Current
±0.05% + 2 mA
±0.05% + 2.5 mA
±0.05% + 2 mA
±0.05% + 1.5 mA
±0.05% + 1 mA
Voltage Transient Response – Settling Time
Load Change
<400
μ
s to within 75 mV following a change from 0.1 A to 1 A
Setting Change
Rising
<35 ms from beginning of excursion to within 75 mV of terminal value following a change from 1 V to 11 V with a 1 A load (
Note
: Specification
does not include command decode time)
Falling
<35 ms from beginning of excursion to within 75 mV of terminal value following a change from 11 V to 1 V with a 1 A load (
Note
: Specification
does not include command decode time)
Overvoltage Protection
Range (typical)
1 V to 19 V
1 V to 29 V
1 V to 31 V
1 V to 59 V
1 V to 71 V
Accuracy
±0.5% + 0.5 V
Response time (typical)
<10 ms
Display
Vacuum fluorescent display.
Memory
40 setup memories.
List Mode
Up to 7 lists can be defined, each with up to 80 steps. Each step includes a
voltage limit and a current limit. For continuous sequences each step also
includes a duration.
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