NF FRA51602, Instruction Manual

Page: 242 / 286

8.5 Performance test
8-10
FRA 51602
8.5.6 DC bias accuracy (DC BIAS)
This instrument : Set the DC bias output to the
DC BIAS
connector on the rear panel.
Measuring instrument : Set the digital multimeter to DC voltage mode.
Connections : Connect the
DC BIAS
connector of this instrument to the digital
multimeter with a coaxial cable.
Measurement method : Set the DC bias of this instrument to −10 V, 0 V, and +10 V, and read the
DC voltage from the multimeter.
Judgement
DC bias setting DC voltage value Passing range
−10 V −_ _. _ _ _ V −10.130 to −9.870 V
0 V _ _ _. _ mV
−30.0 to +30.0 mV
+10 V +_ _. _ _ _ V +9.870 to +10.130 V
Digital multimeter
FRA 51602 rear panel
DC BIAS
BNC-BNC
coaxial cable
BNC-banana
adaptor