WF1943B 7-1
Section 7 Maintenance
7.1 Outline·······················································································································7-2
Work contents····································································································7-2
Required test instruments···················································································7-2
7.2 Operation checks ·······································································································7-3
Preparatory checks ·····························································································7-3
Function checks ·································································································7-3
7.3 Performance tests·······································································································7-5
Performance tests·······························································································7-5
Preparatory checks ·····························································································7-5
Test preparation ·································································································7-5
Frequency accuracy ···························································································7-5
Amplitude accuracy ···························································································7-6
DC offset accuracy·····························································································7-6
Amplitude vs. frequency characteristics·····························································7-7
Sinewave distortion····························································································7-7
Squarewave response ·························································································7-8
Duty factor·········································································································7-8
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