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Channel 1
Channel 2
Ext
A
D
Memory
A
D
Trigger control
Oscillator-
Timebase
Oscilloscope Calibration Techniques
µP
One A/D for each vertical channel
Digital Sampling Scopes use fast
sample and hold with slower A/D.
- no ALT/CHOP mode
- channel skew is a common test
CRT/Display
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