Service manual

2 35
Performance Test
Performance Test
2. Performance Test
DC Bias Level Accuracy Test
This test checks the accuracy of the DC bias level at several level.
Specification
Voltage Monitor Accuracy: ±[0.1 % + (5 + 30 × |Imon(mA)| ) mV]
at (23 ± 5) ºC
Current Monitor Accuracy: ±[2 % + ( 0.2 + |Vmon(mV)| / 20) mA]
at (23 ± 5) ºC
Test Equipment
Description Recommended Model
Multimeter 3458A
SHORT Termination 42091A
61 cm BNC(m)-BNC(m) Cable p/n 8120-1839
Dual Banana-BNC(f) Adapter p/n 1251-2277
4TP-BNC Interface Box p/n 04294-65002
Procedure
NOTE Calibration factor must be calculated in DC Bias Monitor Accuracy Test before this test is
performed.
1. Connect the equipment as shown in Figure 2-8