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2 - Verification and Performance Tests
12
Resistor
(substitute for electronic
load if load is too noisy
for CC PARD test)
1 ohm, 50 W
3 ohm, 100 W (Agilent 66332A/6632B)
24 ohm, 100 W (Agilent 6633B)
99 ohm, 100 W (Agilent 6634B)
1k ohm, 5%, 3W (all models)
Ohmite L50J1R0
Ohmite RLS5R0 (adjustable)
Ohmite RLS25R (adjustable)
Ohmite RLS100 (adjustable)
Agilent 0813-0001
Oscilloscope Sensitivity: 1 mV
Bandwidth Limit: 20 MHz
Probe: 1:1 with RF tip
Agilent 54504A or equivalent
RMS Voltmeter True RMS
Bandwidth: 20 MHz
Sensitivity: 100 ยตV
Agilent 3400B or equivalent
Variable-Voltage
Transformer
Adjustable to highest rated input voltage range.
Power: 500 VA
Measurement Techniques
Test Setup
Most tests are performed at the rear terminals of the supply as shown in Figure 2-1a. Measure the dc voltage directly
at the +S and -S terminals.
Figure 2-1. Test Setup
b.
c.
+S
+
-
-S
-
+S
+
-
- S
+ 240 VDC MAX
+S
+
-
-S
-
a.
Current
monitor
RMS voltmeter
RMS voltmeter
(for CV tests)
Note: Use dc supply with same polarity
connections for - CC tests.
resistor for CC noise test.
400 ohm