The block diagram of the oscilloscope is illustrated in Figure 1 ... Shannon theorem states that if the highest input frequency exceeds one-half of the ADC sampling frequency, or Nyquist frequency, ...

In the first half of the video he uses the manufacturer’s documentation which contains the oscilloscope block diagrams ... you to increase your input sampling rate by using several of them ...

LeCroy's WaveExpert 100H sampling oscilloscope can acquire ... Optimized for jitter analysis and eye diagram measurements, it includes time domain reflectometry (TDR) software with s-parameter ...