Calibration of Oscilloscopes

3 Performing the calibration 3.1 Fundamental principles of oscilloscopes 3.2 Description of the device under test 3.3 Calibration procedures 3.3.1 Calibration of the vertical deflection (amplitude calibration) 3.3.1.1 Traceability by DC 3.3.1.2 Traceability by AC 3.3.1.3 Traceability by pulse measurements 3.3.2 Calibration of the horizontal deflection (time base calibration)) 3.3.3 Calibration of the bandwidth 3.3.3.1 Measurement of voltage amplitudes (for bandwidth determination) 3.3.3.1.1 Traceability in the high impedance range (typically below 100 MHz) 3.3.3.1.2 Traceability in the 50 Ω line system 3.3.3.1.3 Influence of harmonic distortions 3.3.3.1.4 Flatness 3.3.4 Calibration of the rise time 3.3.5. Calibration of the trigger bandwidth and -sensitivity 3.3.5.1. Trigger bandwidth 3.3.5.1.1 Calibration procedure 3.3.5.2. Trigger sensitivity 3.3.5.2.1 Calibration procedure 3.3.6 Internal calibration signals 3.3.7 Cursor measurement 3.4 Determination of the uncertainties of measurement