Patent ID: 11898927
Assignee: TEKTRONIX, INC.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 10:
11. A method of sampling a waveform using a real-equivalent-time oscilloscope having a time domain reflectometry source, comprising:
controlling a clock synthesizer to produce a sample clock and a source control signal;
using a time domain reflectometry (TDR) source to receive the source control signal and to produce an incident signal to be applied to a device under test (DUT);
receiving the sample clock at one or more analog-to-digital converters (ADC) and sampling the incident signal from the TDR source and a TDR/TDT signal from the DUT to produce an incident waveform and a TDR/TDT waveform;
determining time locations for samples in the incident waveform and the TDR/TDT waveform, using a period of the TDR source, a period of the sample clock, and a number of samples; and
displaying the incident waveform and the TDR/TDT waveform.